2017版高考英语一轮复习 Unit 2 Cloning课件

词汇接龙
7. ________(vt. 着手；从事；承担)→_______(过去式)→________(过去分词)
→________(n. 任务；事业；企业)
8. _______(vt. 崇拜；爱慕；喜爱)→_______(adj. 崇拜的；敬慕的)→_______ (adj. 值得崇拜的)→_______(n. 崇拜；敬慕) 9. ________(vi. 不同；相异)→________ (n. 不同；差别)→________(adj. 不同 的；差异的)→________(adv. 不同地；异常地) 10. ________(vi. & vt. & n. 打；撞击；袭击；罢工)→________(过去式) → ________ (过去分词) →________(adj. 打击的；显著的；引人注目的) Key:7. undertake; undertook; undertaken; undertaking 8. adore; adoring; adorable; adoration 9. differ; difference; different; differently 10. strike; struck; struck/stricken; striking
Key:1. that these are 2. that Dolly had become 3. needed for cloning research; hoping to clone themselves 4. die young 5. dinosaurs ever returning
课文回顾
unique to a particular culture or may even differ between rural and urban areas within one country. 我们吃的食物和我们什么时候吃以及怎样吃，对于某
种特定的文化来说是十分独特的，甚至同一个国家的农村和城市也有差
选修八 Unit 2Clo Nhomakorabeaing1. 课前自测 2. 课堂学案
课前自测
词汇接龙 1. ________(vt. 获得；赢得)→________(adj. 可获得的；可取得的)→________ (n. 获得；取得) 2. ________(adj. 商业的；贸易的)→________(n. 商业；贸易)→________ (vt. 使贸易化) 3. ________(vi. 反对；不赞成)→________(adj. 客观的；真实的)→________(n. 不赞成；反对；异议) 4. ________(vi. 退休；离开)→________(adj. 退休的；退职的；退役的)→ ________ (n. 退休；退职；退役) 5. ________〔vt. 获得；到达(水平，年龄，状况等)〕→________(adj. 可达到 的)→________(n. 到达；成就) 6. ________(vt. 抵抗；对抗)→________(n. 抵抗；反抗；抵抗力)→________ (adj. 抵抗的；反抗的 n. 抵抗者) Key:1. obtain; obtainable; obtainment 2. commercial; commerce; commercialize 3. object; objective; objection 4. retire; retired; retirement 5. attain; attainable; attainment 6. resist; resistance; resistant
2. undertake vt. 着手；从事；承担；保证；答应 1. (2015江苏卷) To do so, it should help to understand why people undertake volunteer work and what keeps their interest in the work. 为了这样做，它 应该帮助人们理解为什么从事志愿者活动，以及是什么使得他们对这 项工作保持兴趣。 2. She undertook the organization of the whole scheme. 她负责整个计划的组 织工作。 3. If you will undertake the affair, I shall be very grateful. 要是你愿意承办这 件事，我将不胜感激。
6. bound 7. 打开眼界/使某人认清„„ 9. 改革司法制度 10. accumulate 8. 实现他们的野心
句型补全 1. The fact is ____________ both examples of natural clones. 实际上，这些都 是自然克隆。(表语从句) 2. Then came the disturbing news ____________ seriously ill. 接着传来了令人 烦恼的消息——多莉得了重病。(同位语从句) 3. Although at present human egg cells and embryos____________ are difficult to obtain, newspapers wrote of evil leaders ____________ to attain their ambitions. 尽管目前供克隆研究的人类卵细胞和胚胎很难获得，报纸报道 说，有些邪恶头目希望把自己克隆出来以实现他们的野心。(非谓语动词 作后置定语) 4. Did she ____________ because she was a clone? 因为她是克隆的，所以才 早逝了吗？(形容词作状语) 5. So the chance of ____________ to the earth is merely a dream. 恐龙重返地 球的可能性只不过是一个梦。(动名词的复合结构)
阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Cloning is a way of making an exact copy of another animal or plant. Cloning has two major uses. Firstly, gardeners use it to produce plants. __1__ (second), it is valuable for medical research on animals. Cloning plants is straightforward __2__ cloning animals is very complicated. The procedure is difficult to undertake and at first it was not accurate enough. Many attempts __3__ (clone) mammals failed. At last the determination and patience of scientists __4__ (pay) off in 1996, with a breakthrough—the cloning of Dolly the sheep. Then came the __5__ (disturb) news that Dolly was ill. Cloning scientists were cast down to find that Dolly’s __6__ (ill) was more appropriate to a much __7__ (old) animal. Altogether Dolly lived for six years, half the length of the original sheep. Dolly’s appearance raised storm of __8__ (object) and had a great impact on the media and public imagination. It aroused an argument whether it was moral to clone human beings. At present some countries began to reform their legal systems and forbade research __9__ human cloning, but other countries like China and UK, continued to accumulate evidence of the abundant medical aid that cloning could provide. So scientists still wonder __10__ cloning will help or harm us and where it is leading us.
Key: 1. Secondly 2. while 3. to clone 4. paid 5. disturbing 6. illness 7. older 8. objections 9. into/on 10. whether
课堂学案 1. differ vi. 不同；相异；持不同看法
1. (2015安徽卷) The foods we eat—and when and how we eat them—are often
词块互译 1. ___________________ undertake a difficult task 2. ___________________ follow the progress of 3. 决心和耐心得到了回报 the determination and patience _______ 4. 引起一阵强烈的反对 raise a _______ of objections 5. 对……产生极大的影响 have a great impact _______ 6. 注定带来焦虑 be _______ to raise worries 7. ___________________ open one’s eyes(to) 8. ___________________ attain their ambitions 9. ___________________ reform the legal system 10. 收集 ……证据 _______ of Key: 1. 接受一个艰难的任务 2. 遵循„„的进程 3. paid off4. storm evidence 5. on