21世纪大学英语 Text B 答案

Unit 1
1.A
2.B; A
3.C; A
4.A
5.C
Comprehension Check
1.A
2.C
3.D
4.C
5.B
6.C
Vocabulary Exercises
Ⅰ.
1.hospitalized
2.abandoned
3.convert
4.religious
5.steady
6.irresistible
plain
8.adopted
9.expanded 10.protesting
11.boundaries 12.numerous
Ⅱ.
1.take over
2.ministering to
3.has given way to
4.objected to
5.As to
6.has been complaining of
7.One by one
8.is (too closely) identified with
Unit 2
Ⅰ.
A.(no answers required)
B.(Some misinterpretations are okay, since the idea is to help the students develop a skill, not to test them. Try to make time for them to briefly discuss the basis of their (right or wrong) predictions since that is the main point of the exercise.)
1.B
2.A
3.A
4.A
5.B
6.C
7.B
Ⅱ.
(Again, errors are allowable, since the idea is to help the students develop a skill, not to test them. Again, try to make time for them to briefly discuss the basis of their right or wrong predictions since that is the main point of the exercise.)
1.Paragraph 1
2. Paragraph 2
3. Paragraph 7
4. Paragraph 6
5. Paragraph 3─7
6. Paragraph 4﹠5
Comprehension Check
1.C
2.B
3.A
4.C
5.C
6.C
7.B
8.C
Vocabulary Exercises
Ⅰ.
1.disadvantage
2.extremely
3.suicide
4.emphasized
5.triangle
6.method
7.reflect
8.cooperation
9.partially 10.inevitally
Ⅱ.
e up with
2.for one thing…,for another
3.attributed (the cause of the illness) to
4.rather than
5.prepare (students) for
6.take the initiative
7.take action
8.is made up of
Unit 3
Hint 1: If the students can’t figure out the meaning of a word or expressing, go on to the next one.
The process of elimination is a perfectly good way to deduce meaning!
Hint 2: Tell the students not to count on the vocabulary list at the end of article to come to their rescue—these expressions aren’t listed there!
1) be turned off by sb. ∕sth. —J) dislike sb.∕sth., be offended sb.∕sth.
2) chance are—G) probably
3) forge—K) create by hard work
4) crucial—D) vital, critical
5) wind up doing—I) do in the end, after hesitation, discussion, etc.
6) probe—B) investigate or examine very thoroughly
7) make the call—C) decide for or against
8) fall for sth. —A) be fooled by sth.
9) like a bull in a china shop—F) causing a lot of troubles, damages, etc.
10) at that—H) too
11) right and left—E) in every situation, at every opportunity
12) swallow one’s pride—L) accept humiliation
Comprehension Check
1.C
2.B
3.C
4.C
5.A
6.A
7.A
Vocabulary Exercises
Ⅰ.
1.requirement
2.Exceptionally
3.moreover
4.candidates
5.convince
6.neglected
7.superficial
8.qualifications
9.ideal 10.aware
11.clumsy 12.specify
Ⅱ.
1.take pride in
2.chance were
3.Are (you still) in touch with; get in touch with
4.in nine cases out of ten
5.a bull in a china shop
6.if possible
7.at that
8.cope with 9.fall for 10.swallow his pride
Unit 4
This a skill-training exercise, so it’s not so significant if some of the students’ ideas∕inferences are wrong. But, for reference , the answers are:
1.Yes
2.Because it represented a crucial moment in her career.
3.Probably their dry-cleaning business was a failure.
4.To emphasize that she is an “ordinary person” without any special advantages to explain her
later success; the underlying message is that “anyone” can become successful.
5.Probably she wants to illustrate how poor—and determined—she was.
6.It was unstable and full of hardships.
7.Because she had to take care of her children during the day
8.She seemed to be a bit afraid of him.
9.She means she was losing confidence in her abilities.
10.Because he was happy to get permission to be generous with the author.
11.She told them they should buy ads form the author.
12.Probably she felt he was spending too much money.
13.Because she had so much influence on her husband’s decisions.
14.Yes
15.Because it was part of a crucial moment in her career.
NB: The last two questions are deliberate repetitions of earlier ones. The aim is to help the students spot new information that can help them fine-tune their original inferences.
Comprehension Check
1.F
2.T
3.T
4.T
5.F
6.F
7.F
8.F
9.T 10.T
Vocabulary Exercises
Ⅰ.
1.encounter
2.install
3.is (always) reminding
4.sympatheic
5.desperately
6.occupied
7.rural
8.wholesale
9.setback 10.appointments
11.judgement 12.modermized
Ⅱ.
1.think much of
2.came off
3.poured off
4.kept his word
5.followed his lead
6.turned up
Unit 5
Hints for the exercise
Hint 1: This time, two of the idioms have the same definition.
Hint 2: Don’t count on the vocabulary list at the end of the article to come to your rescue—these expressions aren’t listed there!
1.soft well— C. selling by suggesting or gentle persuasion of buyers
2.close a sale—G. succeed in selling sth.
3.play havoc in sth. —F. cause a great deal of confusion, problems, etc.
4.get even (with sb.) —H. punish sb in return for something wrong they did to you
5.get back at sb. —H. punish sb in return for something wrong they did to you
6.patch up—D. settle (a quarrel or disagreement)
7.knock sb. dead—E. impress sb very much
8.the last straw—B. the final event in a series that finally makes sb give up or get angry
9. a sex object—A.
10.someone who is admired only for being sexually attractive
Comprehension Check
1.C
2.C
3.A
4.C
5.B
6.C
7.B
8.A
Vocabulary Exercises
Ⅰ.
1.psychology
2.essence
3.tendency
4.insecure
5.grateful
6.inner
7.disguise
8.suspected
pliments 10.insecurity
Ⅱ.
1.step in
2.patched up
3.get back in
pensated for
5.take (your daughter) out of
6.played havoc
7.get even
8.let (it) pass
Unit 6
The exact interpretations may vary, of course, but the following sentences can be used for reference
1.[Edison] led the world into the age of technology: He was an early and very important
contributor to many of the foundations of modern technology.
2.Genius is one percent inspiration and 99 percent perspiration: The role brilliance∕
inspiration plays in genius is very small; mainly it’s achieved through hard work.
3.This belief was his religion: He held this belief very strongly and it guided many of his actions.
4.He arrived in the city with nothing but the shirt on his back: He was very poor when he
arrived in the city.
5.Edison found himself out on the street: He had nowhere to live.
Comprehension Check
The exact wording of the corrections may vary, but the following sentences can be used for reference.
1.Thomas Edison led the world into the age of technology through his inventions and by setting
the standard for how research and development are done.
2.Thomas Edison strongly believed that hard work is more important than creativity.
3.Edison was very poor when he arrived in New York.
4.In the chaos that followed the collapse of information service system, Edison repaired the
equipment.
5.He was in his early 20s when he started his own company.
6.Edison started a new mode of research and development by modifying other people’s
inventions to make them more practical∕commercial.
7.Edison was given the credit for inventing electric light because he developed a whole system
for providing electric service.
8.Edison sometimes made the mistake of underestimating the popularity of his inventions. Vocabulary Exercises
Ⅰ.
1.entertainment
2.chaos
3.invention
4.underestimate
5.vital
6.theme
7.inspiration
8.consquently
9.occasional 10.productive
11.exploit 12.has limited
Ⅱ.
1.be going to
2.concentrate on
3.cut down on
4.is given the credit for
5.started ( the discussion) off
6.put (your experience in electronics) to use
Unit 7
The students are encouraged to have their own opinions about the best answers to these questions. Thinking through the problems rigorously is the point!
Comprehension Check
The exact wording of the corrections may vary, but the general idea for each is:
1.No, he doesn’t
2.He thinks it is too easily mistaken for intelligence.
3.Answering the questions in it requires intelligence.
4.No, he thinks parents should ask their children questions and talk about what they’ve seen
and heard.
5.Because jokes help teach kids that there’s more than one way of looking at things.
6.By encouraging people to look at problems from different perspectives.
7.Because ideas that seem dumb at first may represent a different and unexpected of view. Vocabulary Exercises
Ⅰ.
1.automatically
2.clarify
3.pluses
4.overlook
5.proposal
6.appropriate
7.enthusiastically
petitive
9.allowance
10.perspective 11.minuses 12.necessarily
Ⅱ.
1.noted down
2.for that matter
3.took turns
4.mistook for
5.side by side
6.bring out
7.give and take
8.threw out。