2021版英语全能大一轮复习人教版讲义：选修8Unit2 Cloning
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Unit 2 Cloning
Ⅰ. 多维记忆重点单词
※核心单词速记
1. straightforward adj. 简单的; 直接的; 坦率的
2. exact adj. 精确的; 准确的
3. breakthrough n. 突破
4. vain adj. 虚荣的; 自负的; 徒劳的
5. drawback n. 缺点; 不利条件
6. adore vt. 崇拜; 爱慕; 喜爱
7. obtain vt. 获得; 赢得
8. attain vt. 获得; 到达(水平、年龄、状况等)
9. accumulate vt. & vi. 积累; 聚积
10. owe vt. 欠(账、钱、人情等); 归功于……
11. bother vt. 打扰vi. 操心 n. 烦扰
12. resist vt. 抵抗; 对抗
13. strike vt. & vi. & n. 打; 撞击; 罢工
14. undertake vt. 着手; 从事; 承担
15. cast vt. 扔; 投; 掷
16. forbid vt. 禁止
※联想单词串记
17. differ vi. 不同; 相异→different adj. 不同的; 与众不同的→difference n. 差异; 不同→differently adv. 不同地
18. object vi. 反对; 不赞成→objection n. 不赞成; 反对; 异议
19. retire vi. 退休; 离开→retirement n. 退休
20. decorate vt. 装饰; 装潢→decoration n. 装饰→decorative adj. 装饰性的; 作装饰用的
21. exact adj. 精确的; 准确的→exactly adv. 准确地
22. correct vt. 改正, 批改→correct adj. 正确的→correction n. 改正; 纠正
用所给词的适当形式填空
1. He retired from the post as a manager. After his retirement, he settled down in a remote village. (retire)
2. The small town looks exactly (exact) as it did when it was built 200 years ago.
3. The Thames has many islands. Miranda has undertaken (undertake) a review of all of them.
4. This function of the Internet is particularly striking (strike) when I’m writing.
5. White, shiny, plastic and decorated (decorate) with flowers, the basket winked at me and I knew I had to have it.
6. Although we’ve been delighted to have you as neighbors, we’re hoping to settle something that bothers (bother) us.
Ⅱ. 语境记忆重点短语
1. pay off 得到好结果; 取得成功; 偿清
2. object to 反对
3. in favour of 赞成; 支持
4. (be) bound to (do). . . 一定或注定(做)……
5. from time to time 不时; 偶尔
6. bring back to life 使复生; 使复活
7. cast down 使沮丧; 使失望
8. strike. . . into one’s heart 使……刻骨铭心
9. in vain 白费力气; 枉费心机
10. in good/poor condition 状况很好(坏); 情况很好(坏)
11. owe. . . to. . . 把……归功于……
12. have a great impact on 对……有很大影响
13. all the time 一直; 始终
14. at present 目前; 现在
15. either. . . or. . . 或者……或者……
用以上短语的适当形式填空
1. The doctor did all he could to bring him back to life.
2. His parents tried to persuade him not to give up his well-paid job, but their efforts were in vain.
3. We are bound to meet with difficulties in carrying out this research.
4. —Li Feng won the first prize in the national English competition.
—Oh, really? I’m glad that her efforts at last paid off.
5. I have told her about our plan, and she is in favour of it.
6. He was cast down by the result of the exam.
7. From time to time, during the night, there was a cry from the sick man.
8. Mount Tai struck its beauty into her heart and she decided to visit it again the next year.
Ⅲ. 应用记忆经典句式
1. Then came the disturbing news that Dolly had become seriously ill(多莉病重). (that引导的同位语从句)
2. However, scientists still wonder whether cloning will help or harm us (克隆会帮助我们还是会伤害我们)and where it is leading us. (whether引导的宾语从句)
3. What do you think(你认为)is the writer’s point of view in this reading passage? (疑问词+插入语+其他成分)
4. This is because the cloning of mammals is still a new science(因为克隆哺乳动物仍是一门新科学). (because引导的表语从句)
句式仿写
1. 计算机能够识别人的声音的想法使许多人感到惊奇。
The idea that computers can recognize human voices surprises many people.
2. 这本书中你认为哪一部分最有趣?
Which part of this book do you think is the most interesting?
3. 这是因为地球在围绕着太阳运转。
This is because the earth is travelling round the sun.
4. 从他脸上我们看不出他是高兴还是难过。
We cannot tell from his face whether he is happy or sad.
话题——科技与生活
随着科学技术和经济的发展, 越来越多的家庭拥有了自己的车, 私家车给人们的出行带来方便的同时, 也给人们的生活带来了一些危害, 如空气的污染等, 请用本单元的词汇, 根据提示写一篇短文。
注意: 1. 词数100左右;
2. 可适当增加细节, 以使行文连贯。
【参考范文】
①With the development of economic as well as the improvement of living standards, the number of cars is on the rise, more and more people possess private cars.
Indeed, there are many advantages with a car, it plays a very important role in providing people with convenience. ②We can go anywhere quickly and easily with a car, it can help us save a lot of time. What’s more, the automobile industry provides jobs for the jobless and strong support for other industries.
But as each coin has two sides, there are also many disadvantages brought by cars. The most serious problem is pollutions, including atmosphere pollution, noise pollution and so on, which do actual harm to the health of people.
话题词汇摘要
1. 随着……的发展 with the development of
2. 提高 improvement
3. 在……中扮演重要角色 play a very important role in
4. 对……造成破坏 do harm to
词汇句式升级
1. 把句①升级为As 引导的非限制性定语从句。
As is well-known, with the development of economic as well as the improvement of living standards, the number of cars is on the rise, more and more people possess private cars.
2. 用定语从句改写句②。
We can go wherever we want to quickly and easily with a car, it can help us save a lot of time which may be wasted by waiting for other vehicles.
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