综合教程4unit2课后练习答案
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Unit Two
Man and Technology
Enhance Your Language Awareness
Words in Action
▆ Working with Words and Expressions
1.In the box below are some of the words you have learned in this unit. Complete the
following sentences with them. Change the form where necessary.
▆ Answers:
1)productivity
2)phenomenon
3)isolation
4)gradual
5)opponent
6)advent
7)genetic
8)universal
9)extreme
10)nasty
11)boom
12)formal
13)survey
14)Similarly
15)modify
16)rough
2. In the box below are some of the expressions you have learned in this unit. Do you
understand their meanings? Do you know how to use them in the proper context? Now check for yourself by doing the blank-filling exercise. Change the form where necessary.
▆ Answers:
1)at the same time
2)are stuck with
3)for certain
4)make no difference
5)on average
6)when it comes to
7)are better off
8)built into
9)come to mind
10) close to
11)in favor of
▆ Increasing Your Word Power
1.You will read six pairs of words which are similar in meaning but are different in
usage. Reflect on the differences in usage between the words in each group and fill in each blank with a proper one. Change the form if necessary.
▆ Answers:
1)exterior
2)external
3)delightful
4)pleasant
5)separate
6)isolate
7)company
8)companion
9)acquire
10)learn
11)ripe
12)mature
2. Fill in each blank with one of the words listed below in the appropriate form,
paying special attention to the meaning and spelling.
▆ Answers:
1)accept
2)oppression
3)loss
4)excerpts
5)depression
6)loose
7)except
8)expectations
9)lose
10)suppress
3.Words that come from the same root may be said to belong to the same family. Getting
acquainted with each member of the family is a sure way to increase your word power.
Now complete the following table with words of the same family. You may consult a dictionary if necessary.
▆ Answers:
1)technology
2)eternity
3)miracle
4)relevance
5)analysis
6)luxurious
7)leisurely / leisured
8)subjective
9)prosperous
10)innovative
GRAMMAR IN CONTEXT
Task 1: Complete the following sentences with appropriate connectives listed in the following table.
▆ Answers:
1)Whatever
2)Although / Though
3)whereas
4)However
5)though / although
6)Granted / Granting that
7)as
8)While
Task 2: Translate the following sentences into English.
▆ Answers for reference:
1)Though it was raining hard, yet they went on playing football.
2)You will have to attend the commencement whether you are free or busy.
3)She leaves her bedroom windows open, however cold it is.
4)We will make a trip even if / though the weather is bad.
5)No matter who / Whoever you are, you must abide by the law.
6)Difficult as the job was, they decided to accept it.
7)No matter what I say or how I say it, he always thinks I’m wrong.
8)She seems to have a ready answer, whenever / no matter when I ask her a question. Cloze
Complete the following passage with words chosen from this unit. The initial letter of each is given.
▆ Answers:
1)emphasize
2)opposite
3)improved
4)luxuries
5)benefited
6)obviously
7)consciously
8)fractures
9)eternal