2017届高考英语一轮复习梯级训练： Unit 2（人教版选修8）

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　　梯级演练·强技提能

　　Ⅰ. 完成句子

　　1. (2017·安徽高考)The athlete’s years of hard trainingwhen she finally won the Olympic gold medal.

　　当这位运动员最终获得奥运金牌时, 她多年的艰苦训练终于有了回报。

　　2. (2017·湖南高考)Everyone in the village is very friendly. It doesn’t matterfor a short or a long time.

　　村子里的每个人都很友好。无论你在那里住的时间短还是长都没关系。

　　3. Even though Lucy and Kathy are good friends, Lucyher ID card to Kathy to apply for a credit card.

　　即使Lucy与Kathy是好友, Lucy仍拒绝借给Kathy身份证让其办理信用卡。

　　4. On the way home, a good idea suddenly—why not buy mom a gift for her birthday?

　　在回家的路上我突然想起一个好主意: 为什么不给母亲买个生日礼物呢?

　　5. Hein such weather.

　　他禁止我们在这种天气外出。

　　1. paid off

　　2. whether you have lived there

　　3. objected to lending

　　4. struck me

　　5. forbade us to go out

　　Ⅱ. 改错

　　1. The two nations differ from culture and religion.

　　2. Please don’t bother repairing the radio for me.

　　________________

　　3. I believe that your efforts will pay back sooner or later.

　　________________

　　4. The news which our team won the match was encouraging.

　　________________

　　5. People all over the country resisted to buy goods made in Japan at one time.

　　________________

　　答案: 1. from→in

　　2. repairing→to repair

　　3. back→off

　　4. which→that

　　5. to buy→buying

　　Ⅲ. 语篇完形

　　Cloning is a way of 1. (make)an exact copy of another animal or plant. It has two major uses. One is 2. ________ gardeners use it to produce commercial quantities of plants. The 3. ________ is that it is valuable for research on new plant species and for medical research on animals. 4. ________, the process of cloning is difficult 5. ________ (undertake).

　　The first successful clone, Dolly the sheep, made the whole 6. ________ (science)world follow its progress, though it had 7. ________ problems than the normal sheep. On the other hand, Dolly’s appearance 8. ________ (raise)a storm of objections and had a great impact 9. ________ the media and public imagination. Different people have different opinions on it. However, scientists still wonder

　　10. ________ cloning will help or harm us and where it is leading us.

　　答案: 1. making

　　2. that

　　3. other

　　4. However

　　5. to undertake

　　6. scientific

　　7. more

　　8. raised

　　9. on

　　10. whether

　　Ⅳ. 话题写作

　　根据提示, 利用本单元所学知识, 完成下面的小作文。

　　1. 很多人反对克隆人, 甚至有的国家禁止科学家对克隆人进行研究。(object to, forbid)

　　2. 他们很沮丧, 因为克隆人在道德上是不合理的。(cast down)

　　3. 然而, 另外一些国家则不同, 他们支持医学克隆。(differ, in favour of)

　　4. 事实上, 很多国家都在进行医学克隆研究, 积累了很多经验, 并取得了很大突破。(undertake, accumulate, obtain, breakthrough)

　　5. 每个事物都有两面性, 所以我们也不能完全抵制克隆。(resist)

　　Many people object to cloning humans, and some countries even forbid scientists to do research into human cloning. They feel cast down because it is not morally reasonable. However, other countries quite differ. They are in favour of medical cloning. Actually many countries are undertaking it, and they have accumulated much experience and obtained great breakthroughs. Everything has two sides, so we should not resist it completely.