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1、人教课标 高二 选修 8 Unit 2,Unit 2 Cloning,Language points,1. differ vi. different, difference,常见的结构有： differ from . 与不同 differ in 在方面不同 differ with sb. on / about / over sth. 与某人在某事上意见不同,重点词汇,【点拨】 a. 用作“不同”解时，只接介词 from。 b. 有不同意见，表示异议时接 from 与 with 均可。 c. 表示在某方面不同时，用介词 in。,【拓展延伸】 difference n. 差别 different
2、adj. 不同的 be different from 与不同 make a(no) difference 有（没有）区分；有（没有）重要关系 It makes no difference to sb. 对没关系,【典型例题】 Thoughts of Oriental(东方人) differ much_ westerners in a number of ways. between B. between those C. from D. from those of 【答案】D 考查differ的用法 【点拨】此处应该用指代的词，结构和thoughts of一样，但用those代替,用适当的介词填
3、空。 (1) Im sorry to differ _ you _ the matter. (2) The customs here differ _ those of the south. (3) The two girls differ _ language. (4) There are many differences _ living in the city and living in the countryside.,from,on/ over,from,in,between,2. It is a difficult task to undertake. undertake vt.
4、观察示例: The procedure is difficult to undertake, of course. 当然, 这个过程很难实施。 The scientist undertakes the experiment. 科学家从事这项实验。,I can undertake the responsibility for the changes. 我愿意承担这些变革的责任。 The lawyer undertook a new case. 那个律师接了一个新的案子。,undertake 是及物动词, 主要有两个义项: 着手做, 从事, 进行; 担任, 承担, 答应, 同意。,归纳拓展：,完成
5、下列句子。 (1) He will _ _ _ next month (去旅行). (2) He _ _ _ _ (承担一项新任务).,undertook,task,new,a,a,undertake,journey,3. object v. objection n. 观察示例: On the other hand, Dollys appearance raised a storm of objections and had a great impact on the media and public imagination. 另一方面, 多莉的出现引来了巨大的反对激发了传媒的热炒和公众的想像
6、力。,vi. 不赞成, 反对 n. 物品, 目标 派生词 objection n. 不赞成, 反对 常用搭配 object to sth./doing sth. 反对(做)某事,object to sb. 反对某人 object that 反对 have/take/make an objection to (doing) sth. 对表示反对 raise an objection to (doing) sth. 对提出异议,归纳拓展： object作不及物动词时后接介词to或against; 作及物动词时可接that引导的从句。 objection是名词, 常与have, take, feel
7、等连用构成词组： have objection to take objection to feel objection to,句型转换 (1) Have you any objection to my opening the window? = Would you _ _ my opening the window?,object,to,(2) take objection to smoking. = I _ _ smoking. (3) “But he is too young,” she argued. = She _ that he was too young.,object,to,ob
8、jected,4. Although at present human egg cells and embryos needed for cloning research are difficult to obtain. obtain vt. 观察示例: Meanwhile you will obtain a lot of information. 同时你将获得大量的知识。 She obtained her doctors degree in 1996. 她1996年获得博士学位。,The books can be obtained from the library. 这些书可以在图书馆里取得
9、。 His achievement obtained him great fame. 他的成就使得他获得很大的名声。,obtain 指通过努力从特定的地方获得非常想要的东西。 get 指得到, 所取得的东西不一定跟努力、意志有关。 gain 指通过努力取得对自己有益或有价值的东西。,obtain, get & gain,将下列句子译成汉语。 (1) She has obtained a driving licence. _ (2) He obtained entrance to Beijing University. _,她已经取得了驾驶执照。,他获得了北京大学的入学资格。,5. forbid
10、 vt. 观察示例 Some began to reform their legal systems and forbade research into human cloning. 一些政府开始改革他们的法律体系, 禁止对人类克隆的研究。,词义 vt. (to command someone not to do something) 禁止, 不准 反议词 allow 允许, 准许 常用搭配 forbid sth./doing sth. 禁止(做)某事 forbid sb. to do sth. 禁止某人做某事 forbid that 禁止 allow sth./doing sth. 允许(做
11、)某事 allow sb. to do sth. 允许某人做某事,词语辩析 forbid, ban, prohibit 这三个词都含“禁止”的意思, 具体区别如 下: (1) forbid 是常用词, 指“命令某人不做某事”, 禁止, 不准, 不许。如： The doctor forbids him to smoke. 医生禁止他吸烟。 Smoking is forbidden in the concert hall. 演奏厅内不准吸烟。,(2) ban语气较重，指权威机机关“正式禁止”, (法律上)禁止, 含“严厉谴责”之意,只能用事物作其宾语, 如: Ban atomic and nucl
12、ear weapons! 禁止原子武器和核武器! (3) prohibit指“通过法律或政府法令”, 如: The soldiers were prohibited from leaving camp after dark. 天黑后士兵不准离开营房。,注意事项 (1) forbid 后不能直接跟动词不定式作宾语, 而是跟动名词作宾语, 但是可以跟不定式作宾语补足语(forbid sb. to do sth.), 类似的动词还有: allow, permit, advise等。,(2) forbid后接that引导的从句时, 从句的谓语动词应该用虚拟语气, 即should +动词原形, shou
13、ld可以省略。 原文再现 Some began to reform their legal systems and forbade research into human cloning.,根据汉语提示完成句子。 (1) He _ (禁止员工吸烟) during office hours. (2) Many parents _ _ (禁止他们的孩子独自外出) at night. (3) Marriage _ (被禁止) during college time in the past.,forbids staff to smoke,forbid their children to go out
14、alone,was forbidden,6. accumulate vt. but other countries like China and the UK, continued to accumulate evidence of the abundant medical aid that cloning could provide. 有些国家比如中国和英国继续收集克隆能提供丰富的医疗帮助的证据。,He accumulated fortune by hard work. 他因努力工作而积蓄了一笔财富。 The purpose of education is not just accumula
15、ting information. 教育的目的不仅仅是积累知识。 vi. 积聚 Dust accumulated during my absence. 我不在期间灰尘积聚了起来。,归纳拓展： accumulate可作及物动词和不及物动词，表示: 收集, 聚集, 堆积。 另外 accumulation n. 积聚 如: the accumulation of knowledge 知识的积聚,考例 Clinical evidence began to _, suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals. （湖北2011） A. operate B. strengthen C. a
