21世纪大学实用英语综合教程第三册答案

① 21世纪大学实用英语综合练习第三册答案

我有书上答案要留邮箱
Unit 1
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. curious 2. affects 3. emergency 4. locked 5. Relatively 6. complaining 7. protested 8. react 9. mood 10. unique 11. consciousness 12. surgery
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. the bottom line 2. thanks to 3. reflect on 4. had lost touch 5. went through
6. followed around 7. looking on 8. woke up 9. take action 10. after all
10. Translate the following sentences into English.
1. Each time my brother complained about the difficulty of his work, I asked him to look on the bright side.
2. The police reacted immediately when report came that two kids had been held up at gunpoint in a nearby building.
3. When I pointed out the mistakes in her calculation, instead of correcting them as soon as possible, Mary protested that it was not her fault.
4. Tom was curious about the joke I told my colleagues, but he didn’t get it.
5. Thanks to his positive attitude, Jack took action and saved his own life before he lost consciousness in the emergency room.
6. When I reflect on what I have achieved in the past, I have to say that success comes from hard work. That’s the bottom line.
先看下是不是

② 21世纪大学实用英语综合教程3课文翻译

【翻译】

看到这样的风格，我感到很好奇。于是一天我去找Jerry问他：“我不明白，你怎么会一直这么乐观。你怎么做到的？”
Jerry回答；每天早上醒来我对自己说Jerry你今天有两个选择，可以选有个好心情或是有个坏心情。我选择好心情。每次有坏事发生的时候。我可以选择成为受害者或是选择从中吸取教训。我选择从中吸取教训当遇到对我有抱怨声的时候，我可以选择接受抱怨。或是找到生活积极的一面。我选择找到生活积极的一面。
“那不容易做到。”我说
“是的。”他说：“生活有很多选择。你抛开所有不好的事情，每种情况都有选择。你选择对待事物得反应，你选择人们怎么影响你的心情，你选择好心情或是坏心情。底线是：你要选择你要过怎样的生活。”

③ 跪求电子版21世纪大学实用英语综合教程(第三册) 课文翻译 、课后练习答案

Unit 1
1.每当我的兄弟抱怨他工作中的困难时我总要求他看到光明的一面.
Each time my brother complained about the difficulty of his work I asked him to look on the bright side.
2.当有报告说附近大楼里两个孩子被人持枪劫持时警察立刻作出了反应。
The police reacted immediately when report came that two kids had been held up (were held up ) at gunpoint in a nearby building.
3.当我指出玛丽的计算错误时，她没有尽快地改正它们，却申明那不是她的错。
When I pointed out the mistakes in her calculation instead of correcting them as soon as possible Mary protested that it was not her fault.
4.汤姆对我跟同事们说的笑话感到好奇，但他没有听懂。
Tom was curious about the joke I told my colleagues but he didn’t get it.
5.由于杰克的积极心态，在急诊室里他在失去知觉前采取了行动并且挽救了自己的生命。
Thanks to his positive attitude Jack took action and saved his own life before he lost consciousness in the emergency room.
6.当我细想我在过去所取得 的成绩时， 我不得不说，成功来自艰苦的工作。那是关键。
When I reflect on what I have achieved in the past I have to say that success comes from hard work. That’s the bottom line.

Unit 2
1. 就拿迈克尔o乔丹来说吧，人们很容易看到他的成就而忽视了他为使自己出类拔萃而在球场上付出的血与汗的代价。
Take Michael Jordan it’s easy for people to see his achievements while neglect the price of blood and sweat that he has paid on the court in order to come out on top.
2. 在第一堂英语课上，老师就传达(convey)给我们一个清晰的信息：作为构成语言的基本材料，生词是必须熟记(memorize)的；任何其他的捷径都是愚人金。
Right in the first English class our teacher conveyed a clear message to us: as the basic building blocks of the language new words must be memorized; any other shortcut is fool’s gold.
3. 成千上万的中国劳工为美国第一条横贯大陆铁路的建设做出了巨大贡献；他们的巨大努力值 得记录在美国历史上。
Thousands of Chinese laborers contributed greatly to the construction of America’s first transcontinental railroad and their intense efforts deserve a page in American history.
4. 说到训练，教练能毫无困难地忍受球员们的各种抱怨但从不向任何人妥协。
When it comes to training the coach has no problem living with all sorts of complaints of the players but he ever compromises with any of them.
5. 在有些是非之间的界限薄如蛋壳的情况下，传统道德准则显得尤为重要。
Traditional ethics seem especially important in some situations where the margin between right and wrong is as thin as an eggshell.
6. 随着竞争的加剧，我们和我们的对手都在努力达到更高的服务标准。
As competition intensifies our opponents and we are all working hard to live up to higher service standards.

Unit 3
1. 这份健康报告强调了新鲜水果和蔬菜在我们日常饮食中的重要性。
The health report stresses the importance of fresh fruit and vegetables in our diet.
2.我用了整整一个星期才鼓足勇气拒绝了他们的请求。
I spent a whole week gathering the courage to say no to their request.
3. 这些旅行使他充分意识到世界上许多物种正处于灭绝的边缘。
These journeys made him realize to the fullest extent that many of the world’s species were on the brink of extinction.
4. 医生在做这种手术前必须征得病人家属的同意。
Approval of the patient’s family should be sought before doctors carry out such operations.
5.消费者消费信心的增长对于经济的复苏至关重要。
Improved consumer confidence is crucial to an economic recovery.
6.我们对失踪的登山队员不再抱什么希望 他已经失踪两个星期了。
We gave up on the missing mountain climber after he had been missing for two weeks.

Unit 4
1. 他毫无疑问是个伟大的英雄，所以人们才为他的去世禁不住地感到悲伤。
He was no doubt a great hero so people couldn’t help but cry over his death.
2. 那位演员利用自己的名人地位资助或许有一天会拿出一种治愈艾滋病的疗法的研究。
The actor used his celebrity status to fund research that might someday yield a cure for AIDS.

3.那个残疾人曾一度考虑自杀以使家人卸下沉重的负担。
The disadren man once considered suicide to relieve his family of the heavy burden.
4.孩子们把自己装扮成超人，以吸引大人的注意力。
Children dress up as Superman to capture alts' attention.
5.直到长大成人后我才认识到我不应该害怕正视厄运和磨难。
It wasn't until I matured that I realized I shouldn't be afraid to look add hardship in the eye.
6.他本可以轻松地呆在家里，因为他有足够的财富可以使他不必为医疗费帐单操心。
He could have easily stayed at homefor he had plenty of financial resource to keep him from worrying about medical bills.

我也只有翻译的

④ 21世纪大学实用英语综合教程第三册课后答案

最佳答案21世纪大学实用英语综合教程（第三册）答案1~8

Unit 1
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. curious 2. affects 3. emergency 4. locked 5. Relatively 6. complaining 7. protested
8. react 9. mood 10. unique 11. consciousness 12. surgery
6. Fill in the blanks with the expressions given below. Change the forms where necessary.

1. the bottom line 2. thanks to 3. reflect on 4. had lost touch 5. went through
6. followed around 7. looking on 8. woke up 9. take action 10. after all
10. Translate the following sentences into English.
1. Each time my brother complained about the difficulty of his work, I asked him to look on the
bright side.
2. The police reacted immediately when report came that two kids had been held up at gunpoint in
a nearby building.
3. When I pointed out the mistakes in her calculation, instead of correcting them as soon as
possible, Mary protested that it was not her fault.
4. Tom was curious about the joke I told my colleagues, but he didn!ˉ get it.
5. Thanks to his positive attitude, Jack took action and saved his own life before he lost
consciousness in the emergency room.
6. When I reflect on what I have achieved in the past, I have to say that success comes from hard
work. That!ˉs the bottom line.

Unit 2
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. intense 2. concept 3. committed 4. deserve 5. selfish 6. compromise 7. matters
8. opponent 9. influence 10. effort 11. shortcuts 12. evidence
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. work at 2. According to 3. run through 4. in sight 5. live with 6. a variety of
7. When it comes to 8. live up to
10. Translate the following sentences into English.
1. Take Michael Jordan, it!ˉs easy for people tosee his achievements while neglect the price of
blood and sweat that he has paid on the court in order to come out on top.
2. Right in the first English class, our teacher conveyed a clear message to us: as the basic building
blocks of the language, new words must be memorized; any other shortcut is fool!ˉs gold.
3. Thousands of Chinese laborers contributed greatly to the construction of America!ˉs first
transcontinental railroad, and their intense efforts deserve a page in American history.
4. When it comes to training, the coach has no problem living with all sorts of complaints of the
players but he never compromises with any of them.
5. Traditional ethics seem especially important in some situations where the margin between right
and wrong is as thin as an eggshell.
6. As competition intensifies, our opponents and we are all working hard to live up to higher

service standards.

Unit 3
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. withdraw 2. opposite 3. consult 4. seeking 5. chief 6. frustrated 7. gather
8. suggestions 9. numerous 10. crucial 11. approval 12. yield
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. give up on 2. kicked out 3. at the end of my rope 4. count!-out 5. provide!-wit
6. that is 7. on the brink of 8. moved forward
10. Translate the following sentences into English.

1. The health report stresses the importance of fresh fruit and vegetables in our diet.
2. I spent a whole week gathering the courage to say no to their request.
3. These journeys made him realize to the fullest extent that many of the world!ˉs species were on
the brink of extinction.
4. Approval of the patient!ˉs family should be sought before doctors carry out such operations.
5. Improved consumer confidence is crucial to an economic recovery.
6. We gave up on the missing mountain climber after he had been missing for two weeks.

Unit 4
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. mankind 2. determination 3. burden 4. define 5. financial 6. resources
7. research 8. cure 9. evil 10. hardship 11. suicide 12. suffered
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. broke down 2. took!-for granted 3. look!-in the eye 4. couldn!ˉt help but respect h
5. crying over 6. no doubt 7. dressing up 8. slipped into
9. Translate the following sentences into English.
1. He was no doubt a great hero so people couldn!ˉt help but cry over his death.
2. The actor used his celebrity status to fund research that might someday yield a cure for AIDS.
3. The disabled man once considered suicide to relieve his family of the heavy burden.
4. Children dress up as Superman to capture alts!ˉ attention.
5. It wasn!ˉt until I matured that I realized I shouldn!ˉt be afraid to look adversity and hardship i
the eye.
6. He could have easily stayed at home, for he had plenty of financial resources to keep him from
worrying about medical bills.
.
Unit 5
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. discharged 2. anger 3. latter 4. relationship 5. engaged 6. backgrounds
7. miserable 8. invitation 9. match 10. folded 11. overseas 12. propose
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. broke down 2. from time to time 3. From the very beginning 4. knocked down
5. agreed to 6. talk!-round 7. e to 8. give in 9. in silence 10. go abroad
10. Translate the following sentences into English.
1. I just received a email in which Jessica expressed her regret of ending the relationship with her
beloved boyfriend.
2. She broke down at the loss of her family, and the impact of this miserable incident remained for
the rest of her life.
3. Both my parents object to my going abroad to further my studies. I wonder if I should give in or
try to talk them round.
4. Edgar was not good with words, so whenever Jessica vented her anger on him, he only enred
it in silence.
5. The cheerful background music matches his mood very well, for he!ˉs just got engaged to his
beloved girlfriend.
6. From time to time the system would utter a piercing noise indicating its inability to run properly.

Unit 6
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. rejected 2. properly 3. judgment 4. employer 5. lack 6. feedback 7. qualified
8. suitable 9. candidate 10. confident 11. potential 12. punctual
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. cope with 2. miss out 3. applied for 4. keep!-in mind 5. for a bit 6. reflecting on
7. fill out 8. get back 9. a variety of 10. To our amazement
10. Translate the following sentences into English.
1. Sometimes even if you are totally qualified for the job, you may still be rejected.
2. You should learn to cope with difficult situation. And even more important, don!ˉt look to others
for help.
3. To my shock/amazement, he was not only involved in a variety of extracurricular activities but
also had applied for a part-time job.
4. Keep in mind that one more failure is one step closer to success.
5. Don!ˉt dwell on the reasons that are out of your control, because this job doesn!ˉt entirely sui
you and your chances are slim.
6. Although you may not always like to hear negative feedback, whatever you do, don!ˉt burn your bridges.
Unit 7
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. tuition 2. anxiety 3. horrors 4. switched 5. quarter 6. steady 7. roughly
8. prospects 9. disorder 10. represent 11. apparent 12. population
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. were booked up 2. not getting anywhere 3. ups and downs 4. burst out 5. get along with
6. broke up with 7. in advance 8. had no choice 9. In spite of 10. take your own life
10. Translate the following sentences into English.
1. The students who seek psychological counseling represent only the tip of the iceberg. Most
students enre the stress in silence.
2. The horror movie overwhelmed him so much that he began to suffer from a sleeping disorder,
even insomnia.
3. Lisa had always been a straight-A student until her junior year, when she had to hold down two
part-time jobs to pay her tuition.
4. In spite of the result of the aptitude test, John decided to switch his major from accounting to
psychology.
5. He would rather remain a sales clerk, apparently because he prefers a steady life to a life full of
ups and downs.
6. The computer has broken down on more than one occasion. Isn!ˉt that enough for professional
help?

Unit 8
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. chemical 2. soil 3. disturb 4. mixture 5. substance 6. ruin 7. consumers 8. stable
9. pollution 10. supplies 11. decay 12. main
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. leaked out 2. e to 3. are known as 4. depend on 5. giving off 6. make up
7. live on 8. have used up
10. Translate the following sentences into English.
1. With the construction of the nuclear power plant, this city now doesn!ˉt have to worry about its
own electricity supply. Instead, it can supply electricity to other cities nearby.
2. These vegetables do not decay when kept at a relatively stable low temperature.
3. This city is known as the financial center of the country. The development of its economy
depends heavily on banking and foreign trade.
4. This plant only lives on the top of certain high mountains and gives off a very sweet smell in
spring.
5. The main cause of this area!ˉs water pollution i the chemical substance that leaks out of a paper
mill by the river bank.
6. This kind of litter is made up of a mixture of chemical waste. It has poisoned the soil, ruining it
completely.

⑤ 21世纪大学实用英语综合教程第三册课后答案

21世纪大学实用英语综合教程（第三册）答案1~8

Unit 1
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. curious 2. affects 3. emergency 4. locked 5. Relatively 6. complaining 7. protested
8. react 9. mood 10. unique 11. consciousness 12. surgery
6. Fill in the blanks with the expressions given below. Change the forms where necessary.

1. the bottom line 2. thanks to 3. reflect on 4. had lost touch 5. went through
6. followed around 7. looking on 8. woke up 9. take action 10. after all
10. Translate the following sentences into English.
1. Each time my brother complained about the difficulty of his work, I asked him to look on the
bright side.
2. The police reacted immediately when report came that two kids had been held up at gunpoint in
a nearby building.
3. When I pointed out the mistakes in her calculation, instead of correcting them as soon as
possible, Mary protested that it was not her fault.
4. Tom was curious about the joke I told my colleagues, but he didn!ˉ get it.
5. Thanks to his positive attitude, Jack took action and saved his own life before he lost
consciousness in the emergency room.
6. When I reflect on what I have achieved in the past, I have to say that success comes from hard
work. That!ˉs the bottom line.

Unit 2
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. intense 2. concept 3. committed 4. deserve 5. selfish 6. compromise 7. matters
8. opponent 9. influence 10. effort 11. shortcuts 12. evidence
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. work at 2. According to 3. run through 4. in sight 5. live with 6. a variety of
7. When it comes to 8. live up to
10. Translate the following sentences into English.
1. Take Michael Jordan, it!ˉs easy for people tosee his achievements while neglect the price of
blood and sweat that he has paid on the court in order to come out on top.
2. Right in the first English class, our teacher conveyed a clear message to us: as the basic building
blocks of the language, new words must be memorized; any other shortcut is fool!ˉs gold.
3. Thousands of Chinese laborers contributed greatly to the construction of America!ˉs first
transcontinental railroad, and their intense efforts deserve a page in American history.
4. When it comes to training, the coach has no problem living with all sorts of complaints of the
players but he never compromises with any of them.
5. Traditional ethics seem especially important in some situations where the margin between right
and wrong is as thin as an eggshell.
6. As competition intensifies, our opponents and we are all working hard to live up to higher

service standards.

Unit 3
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. withdraw 2. opposite 3. consult 4. seeking 5. chief 6. frustrated 7. gather
8. suggestions 9. numerous 10. crucial 11. approval 12. yield
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. give up on 2. kicked out 3. at the end of my rope 4. count!-out 5. provide!-wit
6. that is 7. on the brink of 8. moved forward
10. Translate the following sentences into English.

1. The health report stresses the importance of fresh fruit and vegetables in our diet.
2. I spent a whole week gathering the courage to say no to their request.
3. These journeys made him realize to the fullest extent that many of the world!ˉs species were on
the brink of extinction.
4. Approval of the patient!ˉs family should be sought before doctors carry out such operations.
5. Improved consumer confidence is crucial to an economic recovery.
6. We gave up on the missing mountain climber after he had been missing for two weeks.

Unit 4
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. mankind 2. determination 3. burden 4. define 5. financial 6. resources
7. research 8. cure 9. evil 10. hardship 11. suicide 12. suffered
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. broke down 2. took!-for granted 3. look!-in the eye 4. couldn!ˉt help but respect h
5. crying over 6. no doubt 7. dressing up 8. slipped into
9. Translate the following sentences into English.
1. He was no doubt a great hero so people couldn!ˉt help but cry over his death.
2. The actor used his celebrity status to fund research that might someday yield a cure for AIDS.
3. The disabled man once considered suicide to relieve his family of the heavy burden.
4. Children dress up as Superman to capture alts!ˉ attention.
5. It wasn!ˉt until I matured that I realized I shouldn!ˉt be afraid to look adversity and hardship i
the eye.
6. He could have easily stayed at home, for he had plenty of financial resources to keep him from
worrying about medical bills.
.
Unit 5
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. discharged 2. anger 3. latter 4. relationship 5. engaged 6. backgrounds
7. miserable 8. invitation 9. match 10. folded 11. overseas 12. propose
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. broke down 2. from time to time 3. From the very beginning 4. knocked down
5. agreed to 6. talk!-round 7. e to 8. give in 9. in silence 10. go abroad
10. Translate the following sentences into English.
1. I just received a email in which Jessica expressed her regret of ending the relationship with her
beloved boyfriend.
2. She broke down at the loss of her family, and the impact of this miserable incident remained for
the rest of her life.
3. Both my parents object to my going abroad to further my studies. I wonder if I should give in or
try to talk them round.
4. Edgar was not good with words, so whenever Jessica vented her anger on him, he only enred
it in silence.
5. The cheerful background music matches his mood very well, for he!ˉs just got engaged to his
beloved girlfriend.
6. From time to time the system would utter a piercing noise indicating its inability to run properly.

Unit 6
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. rejected 2. properly 3. judgment 4. employer 5. lack 6. feedback 7. qualified
8. suitable 9. candidate 10. confident 11. potential 12. punctual
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. cope with 2. miss out 3. applied for 4. keep!-in mind 5. for a bit 6. reflecting on
7. fill out 8. get back 9. a variety of 10. To our amazement
10. Translate the following sentences into English.
1. Sometimes even if you are totally qualified for the job, you may still be rejected.
2. You should learn to cope with difficult situation. And even more important, don!ˉt look to others
for help.
3. To my shock/amazement, he was not only involved in a variety of extracurricular activities but
also had applied for a part-time job.
4. Keep in mind that one more failure is one step closer to success.
5. Don!ˉt dwell on the reasons that are out of your control, because this job doesn!ˉt entirely sui
you and your chances are slim.
6. Although you may not always like to hear negative feedback, whatever you do, don!ˉt burn your bridges.
Unit 7
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. tuition 2. anxiety 3. horrors 4. switched 5. quarter 6. steady 7. roughly
8. prospects 9. disorder 10. represent 11. apparent 12. population
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. were booked up 2. not getting anywhere 3. ups and downs 4. burst out 5. get along with
6. broke up with 7. in advance 8. had no choice 9. In spite of 10. take your own life
10. Translate the following sentences into English.
1. The students who seek psychological counseling represent only the tip of the iceberg. Most
students enre the stress in silence.
2. The horror movie overwhelmed him so much that he began to suffer from a sleeping disorder,
even insomnia.
3. Lisa had always been a straight-A student until her junior year, when she had to hold down two
part-time jobs to pay her tuition.
4. In spite of the result of the aptitude test, John decided to switch his major from accounting to
psychology.
5. He would rather remain a sales clerk, apparently because he prefers a steady life to a life full of
ups and downs.
6. The computer has broken down on more than one occasion. Isn!ˉt that enough for professional
help?

Unit 8
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. chemical 2. soil 3. disturb 4. mixture 5. substance 6. ruin 7. consumers 8. stable
9. pollution 10. supplies 11. decay 12. main
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. leaked out 2. e to 3. are known as 4. depend on 5. giving off 6. make up
7. live on 8. have used up
10. Translate the following sentences into English.
1. With the construction of the nuclear power plant, this city now doesn!ˉt have to worry about its
own electricity supply. Instead, it can supply electricity to other cities nearby.
2. These vegetables do not decay when kept at a relatively stable low temperature.
3. This city is known as the financial center of the country. The development of its economy
depends heavily on banking and foreign trade.
4. This plant only lives on the top of certain high mountains and gives off a very sweet smell in
spring.
5. The main cause of this area!ˉs water pollution i the chemical substance that leaks out of a paper
mill by the river bank.
6. This kind of litter is made up of a mixture of chemical waste. It has poisoned the soil, ruining it
completely.

⑥ 急求21世纪大学实用英语综合教程第三册7、8题答案、、、、正确的

第一单元
7.
1.Each time I look at the photographs I took in the countryside, I think of the friends that I made there.
2.Each time an experiment was performed, he would check and recheck the results obtained.
3.Each time I meet him on weekends, he is in high spirits and joins in all kinds of acitivitied whenever he can.
4.Every time she travels by plane, she feels nervous and worried about her own safety.
5.Every time I lose heart, he always tells me to take a positive attitude and look for the best result from anything that seems bad,
6.Every time you feel like smoking, remind yourself how much healthier you are without smoking.

8.
1. improve the situation instead of looking on the negative aspects.
2.Instead of going to work in a bad mood
3.If you had an axe instead of a knife
4.they chose him instead of you
5.under a tree instead of in the library
6.look younger instead of older
第三单元
7. 1. He used to be involved in community affairs,
2. You will soon get\be used to it.
3. and he used to take me around his laboratory.
4. It used to be a large orchard then,
5. he is used to being the center\focus of public attention
6. but back in his office he is used to giving orders

8. 1. I haven’t seen any snow since I moved to Florida.
2. I have spoken to him only once since the party.
3.She has been working for the company since she graated from college.
4. The English football team has not won the World Cup since 1996.
第四单元
7.
1. It wan’t until midnight that it stopped raining.
2. It wasn’t until yesterday that I noticed something wrong with the machine.
3. It wasn’t until they left the church that Jane discovered she had lost her watch.
4. It wasn’t until April 16,1917 that the United States entered the war.
5. It wasn’t until recently that the cure for the disease was developed.
6. It wasn’t until the harm was already done that they began to deal with the problem.

8. real; own; choices; other; more; belief; so; believe; Whether; set
第五单元
7
1. feel as if you were the most unfortunate person in the world.
2. feel as if he had accomplished a great deed.
3. felt as if I had known her for years.
4. feel as if some needles were piercing your skin?

8.
1. not to leave to tomorrow what ought to be done today.
2. not to judge a person by appearance
3. not to touch it
4. not to send him to boarding school
第六单元
7．
1. The girl could not read, nor could she write.
2. The boy is not satisfied with the living conditions, nor are his classmates
3. Ted was not at the meeting, nor was he at work yesterday
4. Mary hadn’t said a single word since supper, nor had her husband
5. They didn’t invite me, nor did they invite my parents
6. The parents never punish their child, nor does the teacher.

8
1. To my deep regret, I am unable to accept your kind invitation
2. To John’s surprise, this college graate couldn’t even operate the computer.
3. To the parents’delight, their son had fully recovered from the disease.
4. To our great disappointment, we played so well yet still lost.
5. To everyone’s shock, Brian died of a heart attack yesterday — he’s so young!
6. To the woman’s horror, she saw her neighbor killed in the accident.
第七单元
7: 1.Hopefully, the suicide rate among college students will soon be under control.
2. Several of the passengers were hurt. Luckily, none was killed.
3. Fortunately, a doctor was nearby when he suffered the heart attack.
4. Not surprisingly, people in large cities have begun sharing taxis in order to save both time and money.
5. Unfortunately, I didn’t have my credit card with me or I’d certainly have bought the beautiful dress for my girlfriend.

8: 1.It is said that only three people in the world can understand his theory.
2. It was reported that the divorce rate dropped by 1.5% last year.
3. It is known to us all that parents are our first teachers.
4. It was officially announced that the government would increase the funding for higher ecation.
5. It is thought that every European can speak English, but that’s just no
第八单元
7 1. with the completion of the bridge construction
2.with the introction of the new teaching method
3.with the pollution of their water and land
4.with the help of radioactive elements
8 1.Tom did not join the navy ，instead ，he decided to became an actor
2.Jack did not go to the library as had planet . instead，she met up some friends and went for a drink
3.Bob did not feel upset，instead，he remained happy even after their new car was stolen
4.Grace did not marry the young man she really loved .instead，she became the wife of a 77-year-old millionaire.

⑦ 21世纪大学实用英语综合教程第三册课后答案

Unit 8
5. Fill in the blanks with the words given below. Change the forms where necessary.
1. chemical 2. soil 3. disturb 4. mixture 5. substance 6. ruin 7. consumers 8. stable
9. pollution 10. supplies 11. decay 12. main
6. Fill in the blanks with the expressions given below. Change the forms where necessary.
1. leaked out 2. e to 3. are known as 4. depend on 5. giving off 6. make up
7. live on 8. have used up
10. Translate the following sentences into English.
1. With the construction of the nuclear power plant, this city now doesn’ have to worry about its own electricity supply. Instead, it can supply electricity to other cities nearby.
2. These vegetables do not decay when kept at a relatively stable low temperature.
3. This city is known as the financial center of the country. The development of its economy depends heavily on banking and foreign trade.
4. This plant only lives on the top of certain high mountains and gives off a very sweet smell in spring.
5. The main cause of this area’s water pollution is the chemical substance that leaks out of a paper mill by the river bank.
6. This kind of litter is made up of a mixture of chemical waste. It has poisoned the soil, ruining it completely.