大灌中 吴德富

Unit 3 Science Versus Nature

Period Two: Word power

able agree appear lead novel regular respect

Read the following words and answer the questions with them.

1.You can’t find your pen. What happened to your pen?It____________.disappeared

2. You want to get the book on the top shelf , but you are not tall enough. Do you think you will be able to reach the book?

3. The two groups don’t agree with each other. They argued fiercely. So what problem do they have?

I am _______ to do so.

They have a ___________

unable

disagreement

4. Many people respect Mr. Li and think he is a good man. He helps people out and is a good citizen and friend. So you may say: Mr. Li is ____________.

5. Mr. Wang has published several books. He loves his job writing novels. So what is Mr. Wang’s occupation?

He is a ________.

respectable

novelist

6. You can’t find the order of the numbers in a group of members. So can you find a word to describe the order of the numbers? It is _________.

They are __________.

7. Some ads say that if you take their pills, you’ll be healthy, look younger, become smarter and sleep better. What can you say about these ads?

irregular

misleading

Work in pairs and try to guess what a word means by looking at its prefix.

Prefix Example Meaning

anti- anti-cloning

dis- disappear

in- im- il- ir-

incorrect impossible illegal rresponsible

against, opposed to not , opposite of

not without

Prefix Example Meaning pre- preview pro- pro-cloning

un- unfair

re recreate

early, before

in favor of, supporting

not opposite of

again

Try to guess what a word means by looking at its suffix.

Suffix Examples Meaning

-able comfortable

-full cheerful

-ist scientist

worthy of, able to be full of, characterized by someone who does something

Suffix Examples Meaning

-less hopeless

-ment agreement

-ness dryness

without

indicate a state or condition

indicate a state, quality or character

Work in groups of four and try to give

more prefixes and suffixes and list

several words as examples.

Discussion

Some other prefixes that are used widely in English. Prefix Example

auto-

bi-

down-

ever-

automaker automobile

bilingual

downhill downstairs downwards

everlasting evergreen evermore

Prefix Example

half-

full-

hand-

post- over-

halfway half-baked half-payfull-color full-page full-size

hand-made hand-picked hand-washpostgraduate post-industrialovereat oversleep overwork

Suffixes that are commonly used are as follows.

suffix Example

-al cultural national original -ent different dependent existent -ian Canadian Belgian

suffix Example

-like childlike dreamlike lifelike -proof waterproof soundproof

bulletproof -en widen sharpen shorten

Name more parts of your body. throat

stomachliver

heart

lung

large intestine

ass

shoulder

joint

waist

Fill in the blanks with the names of body parts .Think of the body like a school. At the top of the school is the headmaster, known as the _____. This is the organ that controls the rest of the organs, just like the headmaster controls the school. After this comes the _____.

brain

heart

It is like a teacher. This organ passes the blood around the body so it can run well. This is similar to the knowledge a teacher gives to students. Next is the _____, which is the student. This organ is the only one that can re-grow itself. It helps to clean the blood. This is like knowledge students get from teachers. Students always grow with newly found knowledge.

liver

The _____are the organs of the body that use the oxygen we breathe. Think of the oxygen as the life you lead at school. The _______ is very useful as it stores the food we eat until we can digest it properly. This is similar to the learning process. We store the information until we need to use it. So this organ is like a notebook. The ______ are the organs that remove waste products

lungs

stomach

kidneys

from the blood and produce urine. They are like the cleaners, repairmen and security guards who look after your school. Now you can see how similar your school life is to your body and you can look after them both.

1.Revise prefixes and sufixes.& organs of the human body.

Homework:

2.Preview the usage of grammar.