[名校联盟]江西省信丰中学高中英语选修八《unit2language points》课件.pptVIP

Unit 2 Cloning Language points 1. clone n. [c] 克隆的产物 vt 克隆 【exercise】 (1) Dolly the sheep is a _______. (2) _______ plants is straightforward. (3) Dolly is a ______ sheep. clone Cloning cloned 1. differ vi. 观察示例: In pairs, look at these pictures and discuss which ones are natural clones and which ones are man-made. Explain how they differ. zxxk 两人一组, 观察图片并讨论哪些是自然无性繁殖, 哪些是人工的。解释它们的区别。 重点单词/词组 1) Chinese differs greatly from English in pronunciation.（汉语与英语在发音上有很大的不同。） 2) Modern airplanes differ from early ones.（现代飞机跟早期的在很多方面有所不同。） 3) I differ with him how to solve the problem.（ 对于如何解决问题, 我跟他的意见不一致。） They differ with each other on moral standards.（关于道德标准, 他们的见解不同 归纳拓展： differ ( vi.), 主要有两个义项：“不同, 相异；不同意, 意见相左”。常见的搭配有： 1). sb. differ from/with sb. on/upon/about sth.; (某人与某人在....方面意见不同) 2). sth. and sth. differ in… ;（某物与某物在....方面不同） 3). sth. differ from sth .（某物与某物不同） 4. difference (n.)不同 different (adj.) 不同的 即时练习： 用介词 from, with, on, about, upon 或 in 填空。 (1) We differ _________ him _________ _____ that question. from/with on/about/ upon (2) The two nations differ __ culture and religion. (3) The climate here differ _________ that of the South. in from/with 1. It is a way of making an exact copy of another animal and plant. exact adj. 确切的，精确的 I want to know the exact time. exactly adv.确切地，正是；恰好 他们的回答完全一样。 Their answers are exactly the same. 那正是我所期待的。 Thats exactly what I expected. 2. undertake vt. (undertook; undertaken) 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。zxxk 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： 即时练习： 完成下列句子。 (1) He will _________ __ _______ next month (去旅行). (2) He __________ __ ____ ____ (承担一项