人教课标高二第8册Unit2课堂同步练习

一、 Read the text on pages 11-12 of Student’s Book 8 and make the best choices.
 1. The main idea of the text is that ____.
A. animal cloning is very valuable and can benefit the world
B. animal cloning could be misused by bad people, so it must be forbidden
C. animal cloning is developing well because Dolly the sheep was born
D. animal cloning raised arguments and scientists are not sure about its future
 2. Which of the following statements about cloning is NOT true according to text?
A. Cloning is something that has been developed quite recently.         
B. Twins that look exactly the same are originally from the same egg.
C. Cloning is used by researchers to develop new plants.
D. Animal cloning is much more difficult than plant cloning.
 3. The cloning of Dolly the sheep succeeded because ____.
A. it’s easier to clone a sheep than other animals
B. the scientists were determined and worked hard with patience
C. the original sheep is healthy
D. the scientists have successfully cloned other animals
 4. Which of the following is the concern of the scientists after Dolly the sheep died?
A. The cloned animals cannot live as long as original ones.
B. The cloned animals cannot give birth.
C. The cloned animals will become ill easily.
D. The cloned animals can be affected by virus easily.
 5. Which one is the benefit of cloning according to the text?
A. Producing great leaders.          B. Providing medical aid.
C. Developing more perfect species. D. Producing more sheep.
二、Read the text on pages 15-16 of Student’s Book 8 and write T in the brackets if the statement is true and F if the statement is false.
1. Scientists are still experimenting with cloning mammals because they think it can make money. (    )
   2. The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning. (    )
   3. Diversity in a group helps prevent animals from dying of the same illness. (    )
   4. Zoos are appropriate to cloned animals. (    )
   5. Scientists can only clone animals extinct 10,000 years ago. (    )
三、Read the text on pages 58-59 of Student’s Book 8 and answer the following questions.
   1. Which sentence in the text is the closest in meaning to the following one?
The last person of each group will be asked to list the main points to support their view at the end of the debate.
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   2. What are the two reasons for medical cloning?  (Please answer within 30 words.)
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   3. What are the two reasons against medical cloning?  (Please answer within 30 words.) _________________________________________________________________
   4. For what purpose does the speaker in Team B mention what Steve Stice said? (Please answer within 15 words.)
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   5. Translate the sentence in the first paragraph in Team B into Chinese.
(If you believe that human life comes into existence as soon as the cells start to grow, then the practice of removing human stem cells from an embryo kills it.)
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四、Complete the following sentences with the proper forms of the words given.
   1. The education system in China ________ from that in the USA. (difference)
 2. Nobody knows ________ how many years it needs before the Chinese football team enters the final stage of the World Cup. (exact）
3. The old lady felt ________ with so many noises all around. (disturb)
4. Many people dream of having cars of their own. However, others have strong ________ to developing private cars. (object)
5. — How long did you stay in Beijing?
— For just two days. I was back ________ after the meeting. (short)
6. According to the new policy, you can apply for ________ ahead of time. (retire)
 7. The little girl was frightened at the bear, ________ to move a bit. (able)
  8. The boss’ decision that anyone who was late more than three times will be fired set off a fierce ________. (argue)
  9. Don’t you think it quite__ for us to pay only a half for the damage we have made?  (reason)
10. According to the ________ of the company, you mustn’t ask for leave unless you have a doctor’s diagnosed note. (regular)
五、Complete the following sentences without changing the meaning (one word for each blank).
   1. Mrs Smith ordered her son not to leave without her permission.
Mrs Smith ______ her son from leaving without her permission.
  2. The procedure for the cloning of animals is difficult for the scientists to deal with.
It is difficult for the scientists ______ ______ ______ ______ for the cloning of animals.
   3. Are there any objections to making him monitor?
Does anybody ______ ______ making him monitor?
   4. At the end of the class, the teacher concluded that only a few students supported human cloning.
At the end of the class, the teacher concluded that only a few students were ______ ______ ______ human cloning.
   5. He graduated 10 years ago; however, he sometimes thinks back to the days when he was in college.
He graduated 10 years ago; however, ______ ______ ______ ______ he thinks back to the days when he was in college.
   6. He has been denied the opportunity of attending the meeting, which made him feel sad and depressed.
He ______ ______ ______ by being denied the opportunity of attending the meeting.
 7. At the beginning, he was against my suggestion. However, in the end, he changed his mind.
He objected to my suggestion at the beginning, but he ______ ______ agreed.
 8. How much do I owe you in all?
How much do I owe you ______?
  9. A new survey finds that only 20 percent of the students can really tell the difference between natural clones and man-made clones.
A new survey finds that only 20 percent of the students can ______ natural clones ______ man-made clones.
10. The evidence is of great value to the research into the case.
The evidence ______ ______ ______ ______ the research into the case.
六、Translate the following sentences into English.
   1. 告诉你父母真相吧，他们肯定会知道一切的。(be bound to )
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 2. 这项工程引起了一阵强烈的反对，对村民们产生了巨大的影响。(objection, have an impact on)
______________________________________
 3. 尽管他同意这个计划，但没作直接回答。(in favour of; straightforward)
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   4. 在过去的10年中，他积累了大量的教学经验。(accumulate)
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   5. 他的关于人类可以克隆动物的假设最终得到了证实。(assumption; using appositive clause)
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   6. 老师先看了一下这首诗，便开始大声朗读。(aloud)
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   7. 他费了很大劲，但终究成功了。(pay off）
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 8. 我只是建议你再做一次，没有必要生气。(merely)
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 9. 小伙子发现自己不适合这项工作，感到沮丧。(cast down; be appropriate to)
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10. 工人们在技术方面作出了重大突破，工厂恢复了生机。(breakthrough; bring back to life)
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参考答案：
一、1-5 DABAB      
二、1-5 FFTFF
三、1. Towards the end of the debate, the chairperson will ask the last speaker of one side to summarize the arguments that have been made to support their point of view.
2. One is to cure serious illnesses that have no cure at the moment; the other is to help people with diseases such as Parkinson’s Disease.
3. One is that you have to kill one person to make the stem cells; the other is that scientists are worried about the efficiency of the system.
4. To support his view against medical cloning.
5. 如果你认为人的生命从细胞开始生长的时候就开始存在的话，那么从胚胎中提取人类干细胞的行为就是杀人。
四、1. differs    2. exactly    3. disturbed    4. objection     5. shortly     
6. retirement 7. unable     8. argument    9. reasonable    10. regulations
五、1. forbade  2. to undertake the procedure  3. object to  4. in favour of  5. from time to time 6. was cast down  7. at last  8. altogether   9. differ; from    10. is very valuable to
六、1. Tell your parents the truth, for they are bound to know all about it.
2. The project raised a storm of objections and had a great impact on the villagers.
3. Though he was in favour of the plan, he didn’t make straightforward replies.
4. He has accumulated a lot of teaching experience during the past 10 years.
5. His assumption that human beings can clone animals was proved at last.
6. First the teacher glanced at the poem and then began to read aloud.
7. He took great trouble, but it paid off.
8. I merely suggested you should do it again; there is no need to get annoyed.
9. The young man was cast down to realize that he was not appropriate to the job.
10. The workers made a major breakthrough in technology and the factory was brought back to life.