1、Unit 2 CloningLanguage PointsIn pairs, look at these pictures and discuss which ones are natural clones and which ones are man-make. Explain how they differ.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 。 1. differ vi.Her method doesnt differ much from mine.她的方法跟我的没有很大不同。Modern airplanes differ from ear
2、ly ones.现代飞机跟早期的在很多方面有所不同。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。differ是不及物动词 , 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/about sth.; 2). sth. and sth. differ in ;3). sth. differ from
3、 sth .2. undertake vt.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
4、应 , 同意。完成下列句子。(1) He will _ _ _ next month (去旅行 ).(2) He _ _ _ _ (承担一项新任务 ).undertook tasknewaaundertake journey3. disturbing adj.Then came disturbing news that Dolly became seriously ill.然后传来了多莉得了重病的令人烦恼的消息。The news from the front is very disturbing.来自前线的消息令人极为不安。disturb vt. 扰乱 , 使不安 , 弄乱 ;disturbe
5、d adj. 被扰乱的 , 动乱的 , 不安的;disturbing adj. 令人不安的。特别提示 :现在分词表示 : 令人怎么样 , 过去分词表示 : 被使得怎么样 , 感到怎么样。 如 : an interesting story 令人感兴趣的故事an interested look 感到兴趣的表情surprised people (感到 )惊奇的人们4. cast down 使沮丧 Cloning Scientists were cast down to find that Dollys illness were more appropriate to a much older animal.克隆科学家 沮丧地 发现多莉的病更容易在年老的羊身上。