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1、高二英语人教版选修8学案课堂探究Unit2CloningSectionWord版含解析课堂探究 1.Think about how they differ. 想想它们有什么不同。 考点：differ vi.不同；相异 The twin brothers are alike in appearance but differ greatly in character. 那对双胞胎兄弟外表相似，但性格却相差很大。 In this respect，French differs from English/French and English differ. 在这方面，法语不同于英语/法语与英语有区别。
2、考点延伸 阅读下列句子，指出与differ搭配的短语及含义 She said I had copied her answer，but in fact，my answer differed from hers. 她说我抄袭她的答案，但是事实上，我的答案和她的不同。 短语：differ_from.含义：与不同 People，however，differ in their opinions on this matter. 然而，人们在这个问题上看法相异。 短语：differ_in.含义：在方面不同 You should pay more attention to uniting and workin
3、g with those who differ with/from you about/on it. 你应该更注重团结那些与自己意见不同的人一起工作。 短语：differ_with/from.on/about_sth含义：在某事上与的看法不同 即学即用 语法填空 1）The husband differs _ his wife _ who is to take charge of the money. 2）Dont be intolerant of people whose opinions differ _ yours. 完成句子 3）American English _ _ _ _ _ （
4、与英式英语有很大不同）in vocabulary. 4）Im sorry _ _ _ _ _ _ _（在那一点上我与你看法不同） 答案：1）with/from；about/on2）from3）differs greatly from British English4）to differ with you on that point 2It is a way of making an exact copy of another animal or plant. 它是精确复制出另外一种动物或植物的方法。 The exact process is not yet fully understood，b
5、ut research around the world has begun to define the specific areas of the brain. 尽管具体的过程尚未完全了解，但世界上的研究已经开始界定大脑的这一特定区域。 考点延伸 阅读下列句子，指出画线单词的词性及含义 I dont know the exact terms of the agreement. 我不知道协议的确切条款。 词性：形容词含义：准确的 The job exacts care and attention. 这项工作需要谨慎和集中精力。 词性：动词含义：要求，需要 You have to be very
6、 exact in this job，because a small mistake can make a big difference. 你做这项工作必须非常严谨，因为一个小错就能造成天壤之别。 词性：形容词含义：严谨的 The government exacts taxes from every wage earner above a certain level of ine. 政府向每个工资收入超过一定水平的人征税。 词性：动词含义：征收 考点延伸 exactly adv. 正是如此；恰恰；精确地；准确地 to be exactexactly speaking 确切地说 Youre fa
7、r more likely to find the right fit if you know exactly what youre looking for. 如果你确切地知道你想要什么，你更有可能找到适合自己的工作。 It happened late last century in 1895，to be exact. 事情发生在上个世纪末准确地说，在1895年。 即学即用 语法填空 1）The second medium was audio，or sound，although that term is not used _ （exact）in the way we use it today.
8、 2）She wrote，_ be exact，ten novels in her lifetime. 完成句子 3）Can you tell me the _ _ （确切的路线）that they took? 4）So he told you youd got the job? _ _（不完全是这样），but he said he was very impressed with my performance. 答案：1）exactly2）to3）exact route4）Not exactly 3It is a difficult task to undertake. 这是一项很难完成的任务
9、。 She undertook the responsibility for these changes. 她对这些变化承担了责任。 阅读下列句子，归纳undertake的用法 The scientist undertakes the experiment. 科学家从事这项实验。 归纳：undertake sth 表示：着手/从事/承担某事 He undertook to pay the money back in one month. 他答应在一个月之内还钱。 归纳：undertake to do sth 表示：保证/答应做某事 We cant undertake that you will
10、 make a profit. 我们不能保证你会获利。 归纳：undertake that. 表示：保证/承诺 即学即用 完成句子 1）她负责了整个项目的组织工作。 She _ the organization work of the whole project. 2）他承诺在周五前完成那项工作。 He_ _ _/_ _ _ _the work by Friday. 语法填空 3）He _ （undertake）several important experiments so far. 翻译句子 4）他下个月要去西部旅行。 _ 5）我不能保证按时做完它。 _ 答案：1）undertook2）u
11、ndertook to finish/that he would finish3）has undertaken4）He will undertake a journey to the west next month.5）I cant undertake that Ill finish it on time. 4But at last the determination and patience of the scientists paid off in 1996 with a breakthroughthe cloning of Dolly the sheep. 但是决心和耐心使科学家们最终于
12、1996年收获了突破性的结果克隆羊“多莉”。 阅读下列句子，指出画线短语的含义 Years of hard work paid_off in his future career. 多年的辛劳使他在以后的事业上获得了成功。 含义：得到好结果；取得成功 Five years later，Mr Wang paid_off the debts for his sons schooling. 五年后，王先生还清了儿子上学的债务。 含义：偿清 When the building was pleted，he paid_off the laborers. 大楼完工后，他就给了工人工资并把他们打发走了。 含义：
13、付清工资并解雇某人 考点延伸 阅读下列句子，指出pay构成的短语及含义 Have I paid you back the $50 you lent me for those books? 你借给我买那些书的50美元我还了没有？ 短语：pay_（sb）_back_sth含义：偿还 We got to the hotel，and I paid for the taxi. 我们到了旅馆，我付了出租车费。 短语：pay_for.含义：为付钱 I have to pay the shopowner 150 yuan for the sewing machine. 我得付给店主150元买这台缝纫机。 短语
14、：pay_（sb.）_for_sth含义：因某物而付（某人） My brother paid the repairman 60 dollars to get his camera repaired. 我哥哥付给修理工60美元修了他的相机。 短语：pay_sb（.）_to_do_sth含义：付某人（）去做某事 即学即用 句型转换 1）His devotion to the country was rewarded and he was regarded as the good exle of children. His devotion to the country_ _ _ and he was regarded as the good exle of children. 2）Our plan finally succeeded so it proved to be a great idea. Our plan finally_ _ so it proved to be a great idea. 语法填空 3）She paid 200 dollars_ that ring. 4）Can you lend me 10？Ill pay you _on Friday. 用与pay相关的词组填空 5）After ten years of hard working she final
