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Test Results Your final score was 119 / 120 (99%). Congratulations, you have passed. Grammar Choose the word or phrase that best completes the conversation or sentence. 1. Not many people can speak four languages equally well; Natasha however, is _____ exception. a. the b. by c. for You chose: d. an (correct) The correct answer was response d. 2. You measured both the length and the width of the plank, _____? a. wouldn’t you You chose: b. didn’t you (correct) c. would you d. do you The correct answer was response b. 3. _____, would you forgive him? You chose: a. Were Matt to apologize (correct) b. If Matt to apologize c. Were Matt apologize d. If Matt would have apologized The correct answer was response a. 4. “Did you attend the lecture?”

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Test ResultsYour final score was119/120(99%).Congratulations, you have passed.GrammarChoose the word or phrase that best completes the conversation or sentence.1. Not many people can speak four languages equally well; Natasha however, is _____ exception.a. theb. byc. forYou chose:d. an(correct)

The correct answer was response d.2. You measured both the length and the width of the plank, _____?a. wouldnt youYou chose:b. didnt you(correct)c. would youd. do you

The correct answer was response b.3. _____, would you forgive him?You chose:a. Were Matt to apologize(correct)b. If Matt to apologizec. Were Matt apologized. If Matt would have apologized

The correct answer was response a.4. Did you attend the lecture?Yes, and fortunately it wasnt _____ boring as Id expected.a. as nearb. so nearlyc. nearlyYou chose:d. nearly as(correct)

The correct answer was response d.5. Its amazing but _____ I try, Im never able to meet my deadlines.a. however hardlyb. how hardc. although hardYou chose:d. however hard(correct)

The correct answer was response d.6. May I speak with Mrs. Chang, please?I'm afraid Mrs. Changs _____ lunch.a. inb. onYou chose:c. at(correct)d. out

The correct answer was response c.7. Call me; my numbers in the book.Why dont you _____?a. give to me it nowb. give now it to mec. give it now to meYou chose:d. give it to me now(correct)

The correct answer was response d.8. When does your semester end?In July, but Im leaving _____ June 12th.a. inYou chose:b. on(correct)c. atd. by

The correct answer was response b.9. It usually takes me 40 minutes to get into town, but today _____ because there was a lot of traffic.a. took twice thatb. I took twice moreYou chose:c. it took twice that(correct)d. it had taken twice that

The correct answer was response c.10. Youve been really busy lately.Well, my sisters wedding has _____ all around town to get everything organized.You chose:a. had me running(correct)b. had me to runc. got me to rund. made me running

The correct answer was response a.11. Is there another explanation as to why _____ recently?a. has employee productivity been fallingb. was falling employee productivityc. has fallen employee productivityYou chose:d. employee productivity has been falling(correct)

The correct answer was response d.12. I didn't mention anything about the situation _____ them gossiping.a. to fearYou chose:b. for fear of(correct)c. in fear ofd. because of fear

The correct answer was response b.13. I decided I had had enough and told her to _____ for that day.a. have canceled all my meetingsb. get all my meetings cancelc. get all my meetings to cancelYou chose:d. have all my meetings canceled(correct)

The correct answer was response d.14. I got a really great deal on these ski boots; they _____ $170, but I bought them for half the price.You chose:a. originally cost(correct)b. cost originallyc. was originally costingd. has originally cost

The correct answer was response a.15. They are always _____ their differences in a relaxed and friendly manner,You chose:a. able to settle(correct)b. being able to settlec. able to settlingd. able to have settled

The correct answer was response a.16. How _____ today?By bus, but I usually take a cab.a. you did get homeb. did you get to homec. you get homeYou chose:d. did you get home(correct)

The correct answer was response d.17. Where is my blazer?I _____ my closet.You chose:a. saw it hanging in(correct)b. was seeing it hanging inc. had seen it hanging atd. was seen hanging in

The correct answer was response a.18. Does that store have good-quality equipment?No, but it _____ good prices.a. even hasYou chose:b. does have(correct)c. also hasd. doesnt have

The correct answer was response b.19. Did she accept your proposal?No. She actually made me wish I _____ asked.a. had beenb. would havec. were beingYou chose:d. hadnt(correct)

The correct answer was response d.20. When did you last hear from Catherine?She said she _____ to me, but she didnt.a. would have writtenb. will have writtenYou chose:c. would write(correct)d. will write

The correct answer was response c.21. Please keep it down, that noise is driving _____!a. up the wall meb. I up the wallc. me the wall upYou chose:d. me up the wall(correct)

The correct answer was response d.22. What do you think his chances are?If he _____ lucky, he might be able to reach the semifinals.a. beb. had beenc. would beYou chose:d. is(correct)

The correct answer was response d.23. She told him that if he broke his word again, she _____ him.You chose:a. would never forgive(correct)b. will never be forgivingc. can never forgived. would never be forgiving

The correct answer was response a.24. What would you do if you _____ a good job and you were suddenly offered a better position elsewhere?a. have just startedYou chose:b. had started(correct)c. were startedd. start

The correct answer was response b.25. Why are you late? Was the traffic bad again?No, traffic was light, _____ on time.a. and the bus didnt comeb. although the bus didnt comec. but the bus wasnt comingYou chose:d. but the bus didnt come(correct)

The correct answer was response d.26. Why do you think they broke up?My guess is, their feelings were never _____.a. at least strongYou chose:b. strong to begin with(correct)c. at last strongd. strong at most

The correct answer was response b.27. What was her first visit to her in-laws like?It was _____ that she suspects it was the last as well.a. so a disasterYou chose:b. such a disaster(correct)c. such disastrousd. so disaster

The correct answer was response b.28. You look exhausted!I know. Its because _____ up so early in the morning.You chose:a. Im not used to waking(correct)b. I dont awakeningc. I used to waked. I havent been awaking

The correct answer was response a.29. We discussed the matter _____ lunch.a. while we eatb. since havingYou chose:c. during(correct)d. while weve had

The correct answer was response c.30. Why didnt you come on the trip with us?I _____ in Las Vegas on Monday morning.a. have to beb. was having to beYou chose:c. had to be(correct)d. were to be

The correct answer was response c.31. Everybody was sure that he _____ of the disease, but last week he suffered a relapse.a. has curedb. has been curedc. had curedYou chose:d. had been cured(correct)

The correct answer was response d.32. He will make a decision after he _____ all his options.You chose:a. weighs(correct)b. will weighc. is weighingd. is weighed

The correct answer was response a.33. Julius Caesar _____ able to dictate up to seven letters simultaneously.a. is believed tob. has been believed to beYou chose:c. is believed to have been(correct)d. it is believed he was

The correct answer was response c.34. Hows business?Fine, _____ and more goods to Japan every day.a. we are being shipped moreb. we ship even morec. we are shipping much moreYou chose:d. we are shipping more(correct)

The correct answer was response d.35. I especially liked the story about the rich man and the beggar _____ switched places for some time.a. who theyYou chose:b. who(correct)c. for which theyd. for whose

The correct answer was response b.36. If _____ give you a lift home.a. you dont mind to wait, Illb. you dont mind waiting, IdYou chose:c. you dont mind waiting, Ill(correct)d. dont you mind waiting, Ill

The correct answer was response c.37. The roof of their cabin collapsed in the storm, but they managed _____ without a scratch.a. and were escapedb. to have escapedc. to be escapingYou chose:d. to escape(correct)

The correct answer was response d.38. Do you like my tuxedo?Yeah, but I _____ a fortune.a. bet it worthb. bet it costedc. bet it was costingYou chose:d. bet it cost(correct)

The correct answer was response d.39. An eyewitness saw two men _____ outside the bank right before the robbery.a. to lingerb. having to lingerYou chose:c. lingering(correct)d. having lingered

The correct answer was response c.40. Mike suggested _____ to the oceanarium while were in town, as it has an impressive display of marine life from all over the world.You chose:a. we go(correct)b. us to goc. that we can god. we going

The correct answer was response a.ClozeRead the passage and then select, from the answer choices, the word which best fills each blank.Man has always been interested in devices (41)_____ to see distant objects more (42)_____. One such simple device can be (43)_____ from two convex lenses: one (44)_____ an upside-down image of the distant object and the second is used simply as a magnifying glass to examine this image. Two examples of such (45)_____ are telescopes and binoculars. Telescopes usually have an extra (46)_____ to turn the image the (47)_____ way (48)_____. Binoculars are twin telescopes that have extra optical components to fold the light rays paths and make the instrument compact.A telescope in which the objective is a convex lens is described as a refractor; instruments that use a concave mirror as the objective are (49)_____ reflectors. Large astronomical telescopes are always reflectors and in advanced astronomical work where the human eye plays little (50)_____, the (51)_____ is reflected to a location where it can be analyzed by photographic cameras (52)_____ electronic detectors. The telescope has to (53)_____ moved continually to follow the apparent (54)_____ of celestial bodies across the sky and prevent smearing of the image. Observations (55)_____ over many hours, sometimes on successive nights, to accumulate the faint light of the objects (56)_____.The telescope was (57)_____ in Holland, but some (58)_____ exists over the actual inventor. The invention is usually (59)_____ to Hans Lippershey, a Dutch spectacle-maker who is thought to have constructed a simple model in about 1608. Nevertheless, the Italian astronomer Galileo (60)_____ the first telescope on record.41.a. withYou chose:b. used(correct)c. managingd. had

The correct answer was response b.42.a. faintlyb. cleanlyc. vividlyYou chose:d. clearly(correct)

The correct answer was response d.43.a. doneb. productiveYou chose:c. made(correct)d. structured

The correct answer was response c.44.You chose:a. forms(correct)b. shapesc. developsd. formulates

The correct answer was response a.45.a. objectsb. imagesc. shapesYou chose:d. devices(correct)

The correct answer was response d.46.a. glassYou chose:b. lens(correct)c. framed. one

The correct answer was response b.47.You chose:a. right(correct)b. insidec. bottomd. back

The correct answer was response a.48.a. outb. overYou chose:c. up(correct)d. down

The correct answer was response c.49.a. usedb. mostlyYou chose:c. called(correct)d. so

The correct answer was response c.50.a. taskYou chose:b. part(correct)c. workd. element

The correct answer was response b.51.a. screenb. videoc. visionYou chose:d. image(correct)

The correct answer was response d.52.a. norYou chose:b. or(correct)c. butd. which

The correct answer was response b.53.a. haveYou chose:b. and(incorrect)c. bed. but

The correct answer was response c.54.a. movingb. graspc. revolvingYou chose:d. movement(correct)

The correct answer was response d.55.a. revolveYou chose:b. continue(correct)c. relyd. create

The correct answer was response b.56.a. lookedb. divertedYou chose:c. viewed(correct)d. stared

The correct answer was response c.57.a. discoveredYou chose:b. invented(correct)c. foundd. understood

The correct answer was response b.58.a. enjoymentb. disbeliefYou chose:c. controversy(correct)d. unity

The correct answer was response c.59.a. givenb. likenedYou chose:c. ascribed(correct)d. ordered

The correct answer was response c.60.a. boughtYou chose:b. invented(correct)c. exhibitedd. given

The correct answer was response b.VocabularyChoose the word or phrase that most appropriately completes the sentence.61. The machine is producing a signal that is _____ with radio reception.You chose:a. interfering(correct)b. interspersingc. insuringd. ensuring

The correct answer was response a.62. Im sure a lot of our future income is going to come from the Internet and other _____ activities.a. benevolentYou chose:b. cyberspace(correct)c. derivedd. extracurricular

The correct answer was response b.63. Weve had to _____ the washing machine so many times that we could have bought two new ones for the money weve spent on it.a. propb. restorec. adjustYou chose:d. repair(correct)

The correct answer was response d.64. You can easily _____ a good restaurant by the number of customers it has.a. discloseYou chose:b. recognize(correct)c. discoverd. endorse

The correct answer was response b.65. I tried to refute his arguments, but in the end I had to _____ in and admit he was right.You chose:a. give(correct)b. takec. bed. get

The correct answer was response a.66. Id like to _____ off the discussion, if I may.a. keyYou chose:b. kick(correct)c. knowd. knock

The correct answer was response b.67. He couldnt have been very hungry. He just _____ at his food.a. devouredYou chose:b. nibbled(correct)c. gobbledd. played

The correct answer was response b.68. She dismissed the rumors as _____ gossip.a. benignb. subtlec. poorYou chose:d. malicious(correct)

The correct answer was response d.69. The actors house had a _____ tapestry with a very intricate pattern.a. pricedYou chose:b. priceless(correct)c. convolutedd. decorated

The correct answer was response b.70. As usual, he dodged my questions with _____ promises and compliments.You chose:a. vague(correct)b. certainc. cleard. ambitious

The correct answer was response a.71. I would rather stay _____ than marry someone I dont love.You chose:a. single(correct)b. bachelorc. maidd. lonely

The correct answer was response a.72. She was pretty _____ when you didnt show up.You chose:a. put out(correct)b. stay outc. sort outd. worn out

The correct answer was response a.73. The company is trying to break into _____ in South America.You chose:a. a new market(correct)b. a competitionc. a new deald. a rival

The correct answer was response a.74. The book was well-written and very _____.You chose:a. stimulating(correct)b. aggravatingc. stipulatingd. aggregating

The correct answer was response a.75. We decided to _____ out a lot of the work to sub-contractors.a. faceYou chose:b. farm(correct)c. fiddled. fight

The correct answer was response b.76. The herbal tea he drank was very _____, and he made a speedy recovery.a. efficientb. justifiedc. stiffYou chose:d. effective(correct)

The correct answer was response d.77. She claims that it was an accident, but I think she did it _____.a. knowledgeablyb. prematurelyYou chose:c. intentionally(correct)d. unexpectedly

The correct answer was response c.78. No one knew much about his _____ past.a. ambiguousYou chose:b. murky(correct)c. impertinentd. authorized

The correct answer was response b.79. He was walking across the field when he was struck by _____.a. thunderb. rumblingc. streaksYou chose:d. lightning(correct)

The correct answer was response d.80. Police say the perpetrator broke into the _____ store through the back window.a. warehouseYou chose:b. convenience(correct)c. storeroomd. pharmacy

The correct answer was response b.Explanation: Aconvenience storeis a shop which sells mainly food and which is usually open until late at night.81. I think the team we hired conducted a thorough _____ of the situation.a. articleb. aspectYou chose:c. assessment(correct)d. advent

The correct answer was response c.82. Get your parachute ready! The time has come to _____ the airplane.a. break out ofb. let offc. bail outYou chose:d. leave(correct)

The correct answer was response d.83. Things were going very badly, so we decided to _____ an outside consultant.a. give inb. take inc. come inYou chose:d. call in(correct)

The correct answer was response d.84. Please _____ taking photos in the exhibit area.a. proceed fromb. devoid ofYou chose:c. refrain from(correct)d. frown upon

The correct answer was response c.85. They _____ their motorbikes, down to the last screw.a. disconnectedYou chose:b. reassembled(correct)c. resumedd. retreated

The correct answer was response b.86. The baseball match will be _____ live at eight tonight.a. uprootedYou chose:b. broadcast(correct)c. monitoredd. quoted

The correct answer was response b.87. The riot squad was brought in so as to _____ order in the streets.a. showYou chose:b. maintain(correct)c. controld. elude

The correct answer was response b.88. The business started off small, but has now become a _____.You chose:a. conglomerate(correct)b. metropolisc. mergerd. venture

The correct answer was response a.89. Going to Tibet on vacation was a(n) _____ experience.You chose:a. enlightening(correct)b. expedientc. satisfactoryd. supplementary

The correct answer was response a.90. The detective _____ his authority when he didnt read the suspect his rights.a. propagatedb. compensatedYou chose:c. abused(correct)d. endured

The correct answer was response c.91. The politicians were _____ by the angry mob.a. impressedb. bestedc. cheeredYou chose:d. reviled(correct)

The correct answer was response d.92. She was _____ to finishing the research project on time.a. objectedb. deliveredc. transferredYou chose:d. committed(correct)

The correct answer was response d.93. You need to _____ and control your temper.a. break downb. chew this overYou chose:c. keep a cool head(correct)d. go for it

The correct answer was response c.94. Jim was arrested for _____ theft.a. serialYou chose:b. petty(correct)c. acrimoniousd. perverse

The correct answer was response b.95. Things have changed. We will have to adapt to the new _____.a. choiceYou chose:b. climate(correct)c. coincidenced. credence

The correct answer was response b.96. Tom is always _____; in fact, I cant remember a time when hes ever been late.You chose:a. punctual(correct)b. timelyc. regulard. precocious

The correct answer was response a.97. Shakespeares _____ is still evident today; his plays are performed all over the world.You chose:a. legacy(correct)b. inheritancec. thesisd. heritage

The correct answer was response a.98. The crowd of environmentalists _____ their slogans all day long at the protest march.a. shrilledb. murmuredYou chose:c. chanted(correct)d. grumbled

The correct answer was response c.99. Their disagreement was over such a _____ matter that it seemed absurd.a. terminalb. tempestuousYou chose:c. trivial(correct)d. tricky

The correct answer was response c.100. _____ taxes is considered to be an illegal offense.You chose:a. Evading(correct)b. Estimatingc. Retreatingd. Gesturing

The correct answer was response a.ReadingRead each passage and the questions which follow. From the four answer choices given, choose the best answer to each question.This passage is about the giant panda.The giant panda is a type of bear found only in China. For a long time, it was classified as a member of the raccoon family, but now is accepted as a separate bear genus. Its status may be the most precarious of all the bears, because giant pandas are restricted to a small area in the extreme west of China and the species remains very vulnerable to the impact of human civilization.The giant panda is a large bear with a dramatic black-and-white pattern coloration to its fur, which gives it a distinctive appearance. It has black markings on the ears, limbs, shoulders, and around the eyes. Its so-called sixth claw on its forefeet is really an enlarged wristbone, and it functions as a thumb in grasping food. Breeding takes place from March to May, and the young are born three to six months later. Two may be born, but usually only one survives. These animals are fairly solitary for most of the year. They do not hibernate and do not roar, as other bears do their call is a bleat. Giant pandas seem to live fairly isolated lives, with loose groups of females in the dominant males range. Each female panda has a small territory in which other females are not welcome, while the territories of the males may overlap. The young, though almost helpless, elicit care with very loud calls. Occasionally, when starving, giant pandas may raid gardens or crops, and even eat chickens, but they are little threat to people, except in close encounters.The food habits of the giant panda are another serious problem in its management. Since they feed almost exclusively on bamboo, which is not highly nutritious, they have to spend 10 to 12 hours feeding each day. The distances that separate the pandas habitats have created six isolated populations, with the total number in the wild estimated at less than 3,000. Only very intense management and care will assure the survival of the species, and recent efforts have at best been barely adequate.101. How did zoologists originally classify the giant panda?a. as a type of bearYou chose:b. as a species of raccoon(correct)c. as a giant raccoond. as a small bear

The correct answer was response b.Explanation: For a long time, it was classified as a member of the raccoon family, but now is accepted as a separate bear genus.102. What is distinctive about the giant panda?a. It has six claws.b. It has enlarged forefeet.You chose:c. It has unusual markings.(correct)d. It has large eyes.

The correct answer was response c.Explanation: The giant panda is a large bear with a dramatic black-and-white pattern coloration to its fur, which gives it a distinctive appearance. It has black markings on the ears, limbs, shoulders, and around the eyes.103. How does the behavior of female pandas differ from that of males?You chose:a. They are more territorial.(correct)b. They are less territorial.c. They do not hibernate.d. They do not roar.

The correct answer was response a.Explanation: Each female panda has a small territory in which other females are not welcome, while the territories of the males may overlap.104. Why do giant pandas need to spend so much of each day eating?a. because they travel great distancesb. because they must feed their youngYou chose:c. because the main ingredient of their diet is low in nutrients(correct)d. because the food supplies they rely on are under threat

The correct answer was response c.Explanation: Since they feed almost exclusively on bamboo, which is not highly nutritious, they have to spend 10 to 12 hours feeding each day.105. According to the passage, what is one reason why the giant pandas survival is threatened?a. The males and females live separately.b. They are smaller than other bear species.c. They are particularly helpless when young.You chose:d. Their habitats are affected by human activity.(correct)

The correct answer was response d.Explanation: Its status may be the most precarious of all the bears, because giant pandas are restricted to a small area in the extreme west of China and the species remains very vulnerable to the impact of human civilization.This passage is about blue sheep.The mountains and slopes of Asia are home to the bharal, more commonly known as the blue sheep. Although their name suggests otherwise, they are actually gray or light brown, with only a hint of blue. Their coloring provides camouflage amongst the rocks of their surroundings, protecting them from such predators as the snow leopard and the brown bear. Also, contrary to their name, the blue sheep are in some ways more like goats. Though the beard, thick-skinned knees, and potent scent are absent, the blue sheep do have the goats wide tail, large dew claws, and the same markings on their front legs. Bharals also display goat-like horns in terms of color and shape. Adult males have horns twenty inches long while females grow thinner horns that measure eight inches.Temperature tolerance and landscape preference vary greatly for blue sheep. They can withstand blistering hot mountains and bitter cold slopes, and their habitats include meadows, hillsides, and bluffs. Their diet consists mainly of grass, though in colder climates its availability decreases, so blue sheep in these regions eat more shrubs and twigs. Their grazing habits generally keep them close to steep cliffs which provide an escape from danger.The blue sheep have a close relative, the dwarf blue sheep, which is found exclusively in China along the Yangtze River, three thousand feet lower in altitude than the blue sheep. There has been some debate over the dwarf blue sheeps classification. Some researchers believe they are simply a lower-quality population of the blue sheep due to their less fertile habitat. Citing several studies concerning genetic testing, others argue that they are a separate subspecies. Regardless, the destruction of the dwarf blue sheeps natural habitat and over-hunting have resulted in a significant decrease in their population. The International Union for Conservation of Nature (IUCN) is convinced they should be in a separate category and have placed them on their list of threatened species. Perhaps this status will help their numbers thrive.106. According to the passage, how does the blue sheep compare to goats?a. They have similar beards.b. They have similar knees.c. They have similar tail lengths.You chose:d. They have similar horn structures.(correct)

The correct answer was response d.Explanation: Bharals also display goat-like horns in terms of color and shape.107. What does paragraph 1 suggest about blue sheep?a. Many goats could be classified as blue sheep.b. Their predators utilize camouflage to prey on them.You chose:c. Their appearance and name do not correlate.(correct)d. Males are likened to goats while females are not.

The correct answer was response c.Explanation: Although their name suggests otherwise, they are actually gray or light brown, with only a hint of blue.108. According to the passage, what causes blue sheep to vary their diet?You chose:a. a decrease in temperature(correct)b. an increase in elevationc. the preference for bitter foodsd. the change in terrain

The correct answer was response a.Explanation: Their diet consists mainly of grass, though in colder climates its availability decreases, so blue sheep in these regions eat more shrubs and twigs.109. What do some researchers believe regarding the dwarf blue sheep?You chose:a. Natural environment is connected to their classification.(correct)b. Predators have an effect on their habitat loss.c. Genetic analysis proves they are the same species.d. Inferior specimens are definitely a subspecies.

The correct answer was response a.Explanation: Some researchers believe they are simply a lower-quality population of the blue sheep due to their less fertile habitat.110. What did the IUCN conclude about the dwarf blue sheep?a. They should be given the same protection as the blue sheep.You chose:b. The IUCN concurs with the findings of the genetic testing.(correct)c. Additional research is required regarding classification.d. It is doubtful that their population is in sharp decline.

The correct answer was response b.Explanation: Citing several studies concerning genetic testing, others argue that they are a separate subspecies. Regardless, the destruction of the dwarf blue sheeps natural habitat and over-hunting have resulted in a significant decrease in their population. The International Union for Conservation of Nature (IUCN) is convinced they should be in a separate category and have placed them on their list of threatened species.This passage describes a process of refrigeration.In gas refrigerators, a strong solution of ammonia in water is heated by a gas flame in a container called a generator, and the ammonia is driven off as vapor, which passes into a condenser. Changed to a liquid state in the condenser the ammonia flows to the evaporator. Instead of the gas being inducted into a compressor on exit from the evaporator, however, the ammonia gas is reabsorbed in the partially cooled, weak solution returning from the generator to form the strong ammonia solution. This process of reabsorption occurs in a container called the absorber, from which theenriched liquidflows back to the generator to complete the cycle.Absorption refrigeration is increasingly used in refrigeration units for comfort space cooling, for which purpose refrigerant temperatures of 45 to 50 F are suitable. In this temperature range, water can be used as a refrigerant, with an aqueous solution of a salt, usually lithium bromide, as the absorbent material. The water boils at a very low temperature in the evaporator because the pressure there is low. The cold vapor is absorbed in a concentrated salt solution. This solution is then pumped into the generator, where, at an elevated temperature, the surplus water is boiled off to increase the salt concentration of the solution; this solution, after cooling, circulates back to the absorber to complete the cycle. The system operates at high vacuum and the units are usually direct-fired or use steam generated in a boiler.Refrigerant-12 and the related CFCs, Refrigerant-11 and Refrigerant-22, were the major compounds used in the cooling and insulation systems of home refrigeration units. It has been found, however, that CFCs are posing a major threat to the global environment through their role in the destruction of the ozone layer. In accordance with the Montreal Protocol, the manufacture of CFCs ceased in the European Union by the end of 1994 and was scheduled to end in most other industrialized countries by the end of 2010. The refrigeration industry is fortunately switching rapidly to alternatives that do not deplete the ozone layer.111. What function does the gas flame perform?You chose:a. to convert ammonia to vapor(correct)b. to heat the compressorc. to condense ammonia into liquidd. to operate the generator

The correct answer was response a.Explanation: In gas refrigerators, a strong solution of ammonia in water is heated by a gas flame in a container called a generator, and the ammonia is driven off as vapor, which passes into a condenser.112. What happens to ammonia in a condenser?a. It is driven off as vapor.b. It is heated.You chose:c. It is liquified.(correct)d. It is induced into a compressor.

The correct answer was response c.Explanation: Changed to a liquid state in the condenser the ammonia flows to the evaporator.113. What does the enriched liquid refer to in paragraph one?a. pressurized gasYou chose:b. strong ammonia(correct)c. heated waterd. weak ammonia

The correct answer was response b.114. What happens to the water in the generator?a. It boils at very high temperature.b. It is highly pressurized.c. It reaches boiling point more quickly than normal.You chose:d. It becomes a concentrated salt solution.(correct)

The correct answer was response d.Explanation: This solution is then pumped into the generator, where, at an elevated temperature, the surplus water is boiled off to increase the salt concentration of the solution; this solution, after cooling, circulates back to the absorber to complete the cycle.115. According to the passage, what can be said of refrigerant gases?a. They are the major compounds now used in cooling systems.b. They are considered to be relatively harmless to the environment.You chose:c. They are no longer being produced in certain European countries.(correct)d. They are completely unrelated to the CFCs previously used.

The correct answer was response c.Explanation: In accordance with the Montreal Protocol, the manufacture of CFCs ceased in the European Union by the end of 1994 and was scheduled to end in most other industrialized countries by the end of 2010.This passage is about Futurism.At the beginning of the 20th century, an Italian art movement emerged which celebrated everything modern and denounced traditional values. The founding members of the Futurism movement intentionally provoked controversy. They advocated violent means to achieve the radical changes they proposed. These included the destruction of cultural institutions such as museums and libraries.The Italian poet Marinetti wrote the initial Futurism manifesto in 1909, and the following year several others were published by painters within the group. Futurism eventually encompassed every art medium, including architecture, music, and even cooking. All branches of Futurism were dedicated to exalting innovation and embraced modem technology. To the Futurists, the plane, the car, and even industrial machines were objects of beauty which symbolized the supremacy of man over nature.Futurist artists strove to capture the vitality and movement characteristic of the modem age. They used a similar technique to that of Cubism, another burgeoning art movement. Both painting styles aimed to combine several views of an object in one study, although the Futurists often overlapped the same view repeatedly. This produced an impression of motion in the same way as a series of multiple sequential photographs. The Futurists also chose to depict moving subjects, such as urban crowds or animals, whereas the Cubists preferred to paint still life.Futurism survived until 1944, although it never regained the influence it had prior to 1920. Tragically, some of the most talented futurists were killed in WWI. One of them, architect Antonio SantElia, left a legacy of visionary drawings. These include the Futurist model of a New City, a metropolis incorporating a high level of mechanization and many skyscrapers. SantElias work continues to inspire modem architects.116. According to the first paragraph, how did the Futurists achieve notoriety?a. by modernizing cultural institutionsb. by rejecting contemporary valuesYou chose:c. by being deliberately controversial(correct)d. by founding a new museum

The correct answer was response c.Explanation: The founding members of the Futurism movement intentionally provoked controversy.117. Who was behind the publication of the first Futurism manifesto?a. an Italian painterb. a group of artistsc. the followers of MarinettiYou chose:d. an established poet(correct)

The correct answer was response d.Explanation: The Italian poet Marinetti wrote the initial Futurism manifesto in 1909, and the following year several others were published by painters within the group. (paragraph 2)118. How did Futurist paintings differ from Cubist paintings?You chose:a. Futurist paintings aimed to depict the essence of movement.(correct)b. Futurist paintings were always part of a series.c. Futurist paintings were completed using modern technology.d. Futurist paintings used several different objects in one study.

The correct answer was response a.Explanation: Paragraph 3119. What would be one feature of the Futurists ideal city?a. It would be built on multiple levels.You chose:b. It would incorporate a lot of machinery.(correct)c. It would inspire future architects.d. It would be the largest city ever built.

The correct answer was response b.Explanation: These include the Futurist model of a New City, a metropolis incorporating a high level of mechanization and many skyscrapers. (paragraph 4)120. According to the passage, what is true of Futurism?a. It was a combination of Cubism and Impressionism.b. It was only concerned with future possibilities.You chose:c. It was a movement that welcomed technological advances.(correct)d. It was the most influential artistic movement prior to WWI.

The correct answer was response c.Explanation: All branches of Futurism were dedicated to exalting innovation and embraced modem technology. (paragraph 2)Congratulations, you have passed.