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UNIT 3
SECURITY
Teaching objectives
Students will be able to
learn the new words and phrases;
understand the main idea of the text;
master the use of parenthesis in the sentence;
comprehend the writing strategy.
Teaching proceduresTeaching procedures
Assignment
Detailed study of the text
Understanding the text
Warm-up activity
SecuritySecurity
Part I Warm-up activityPart I Warm-up activity
Part I Warm-up activityPart I Warm-up activity
National Treasure
security devices
biometricaccess-denial
system
electroniccombination
lock
sensors
heatmonitors
video monitors
Part I Warm-up activityPart I Warm-up activity
bulletproofglass
Part II Understanding the textPart II Understanding the text
The Land of the Lock The Land of the Lock Text A
In the house where I grew up, it was our custom to leave the front door on the latch at night. I don’t know if that was a local term or if it is universal; “on the latch” meant the door was closed but not locked. None of us carried keys; the last one in for the evening would close up, and that was it.
Understanding the textUnderstanding the text
Para. 1Para. 1
It has been replaced by dead-bolt locks, security chains, electronic alarm systems and trip wires hooked up to a police station or private guard firm. Many suburban families have sliding glass doors on their patios, with steel bars elegantly built in so no one can pry the doors open.
Understanding the textUnderstanding the text
Para. 4Para. 4
Words
&
Phrases
SentencesNone of us carried
keys.No one can pry the doors
open.
Tenses grew up , was
(simple past)
has been replaced
(present perfect)
Para. 1 Para. 4Compare
& Contrast
on the latch
Part II Understanding the textPart II Understanding the text
dead-bolt locks, security chains, electronic alarm systems,trip wires andsliding glass doors
Part III Detailed Study of the textPart III Detailed Study of the text
Para. 3Para. 3
Suburbs and country areas are, in many ways, even more vulnerable than well-patroled urban streets. Statistics show the crime rate rising more dramatically in those allegedly tranquil areas than in cities. At any rate, the era of leaving the front door on the latch is over.
Big cities or countryside, which is better for living?
From 《托福官方题库作文大全》
Rural and country areas are, in many ways, even more attractive than well-known cities and towns. (topic sentence) Statistics show the British people’s average life-span rising more dramatically in those allegedly tranquil areas than in cities. (supporting sentence) At any rate, the competitive pressure in rural areas is much less. (supporting sentence)
From 《英语五段作文法 》
Para. 3
“Suburbs and country areas are, in many ways, even more vulnerable than well-patroled urban streets”.
Part III Detailed study of the textPart III Detailed study of the text
Parenthesis
Parenthesis-used sentences in the text. Paras 3/ 5/ 7/ 9/ 16/ 18
Practice ( Group Work) Put “in my mind” as a parenthesis into the
following sentence.
Great men in history can always be modest, which is vital to their success.
From 《大学英语初级写作教程》
Part III Detailed study of the textPart III Detailed study of the text
Great men in history, in my mind, can always be modest, which is vital to their success.
Great men in history can always be modest, which, in my mind, is vital to their success.
Great men in history can always be modest, in my mind, which is vital to their success.
From 《大学英语初级写作教程》
Part III Detailed study of the textPart III Detailed study of the text
1
Go over the language
points we’ve learned today.
2
Google the use of
“parenthesis” online.
3
Write a paragraph on the topic of “
Should cameras be installed in
public places?”
Part IV AssignmentPart IV Assignment
in many ways
• Original:
• TV and newspapers are different in many ways, even though their aims may be the same.
• Revised:
• TV and newspapers are, in many ways, different even though their aims may be the same.
on the latch
Every night, the mother left the door on the latch so that her lost daughter would be able to come straight in.
Part II Understanding the textPart II Understanding the text
Part II Understanding the textPart II Understanding the text
latch v.
1. to obtain something
Example : The collector knew that he had
latched onto a rare antique.
Part II Understanding the textPart II Understanding the text
latch v.
2.to begin to understand something
Example : He talked for almost an hour, but
the committee still failed to latch onto his proposal.
Part II Understanding the textPart II Understanding the text
latch v.
3.to become closely connected to someone or something
Example : That student tried every means
to latch onto our club.
Part II Understanding the textPart II Understanding the text
security chain
dead-bolt lock
Part II Understanding the textPart II Understanding the text
electronic alarm system
Part II Understanding the textPart II Understanding the text
trip wire
sliding glass door with steel
bars
Part II Understanding the textPart II Understanding the text