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1、Unit 2 Cloning,重点短语,重点句型,重点单词,1.differ vi.不同;相异 different adj.不同的;差异的 difference n.不同;差异 2.exact adj.精确的;准确的 exactly adv.精确地;准确地 mercial adj.商业的;贸易的 commerce n.商业;贸易 4.straightforwardadj.简单的;直接的;坦率的 5.undertake vt.着手;从事;承担 undertook (过去式) undertaken (过去分词) 6.cast vt.扔;投;掷 cast (过去式/过去分词),重点短语,重点句型,重
2、点单词,7. n.不赞成,反对;异议 objectvi.反对,不赞成 n.物体;目标 objective adj.客观的;目标的;宾格的 n.目标,目的 8.medium n.媒介;手段;工具 media(pl.) 9.obtain vt.获得;赢得 10.conservative adj.保守的,守旧的 11.forbid vt.禁止,不准 forbad(e) (过去式) forbidden (过去分词) forbidden adj.被禁止的;禁用的 12.accumulate vt.聚集,objection,重点短语,重点句型,重点单词,13.constitution n.宪法;章程 co
3、nstitutional n.宪法的;符合宪法的 pulsory adj.必须做的,义务的;强迫的,强制的 15.owevt.欠 (账、钱、人情等);归功于 16.retire vi.退休;离开 retired adj.退休的 retirement n.退休 17.bother vt.打扰 vi.操心 n.烦扰 18.assumption n.假定;设想 assume vt.假定;设想 assuming conj.假定;假设 19.regulation n.规则;规章;法规 regular adj.规则的;定期的,重点短语,重点句型,重点单词,20.strike vt.公道的 reason n
4、.原因,理由,重点短语,重点句型,重点单词,1.pay off 得到好结果;取得成功;偿清 2.cast down 使沮丧;使失望 3.object to 反对,不赞成 4.in favo(u)r of 赞成;支持 5.(be) bound to (do). 一定或注定(做) 6.strike.into ones heart 使刻骨铭心 7.from time to time 不时,偶尔 8.bring back to life 使复活,使复生;使活跃起来 9.in vain 白费力气;枉费心机 10.in good/poor condition 状况很好(坏),情况很好(坏),重点短语,重点
5、句型,重点单词,1.她看起来是在正常成长,这一事实很令人鼓舞。 The fact that she seemed to develop normally was very encouraging. 2.接着传来了多莉病重的坏消息。 Then came the disturbing news that Dolly had become seriously ill. 3.研究克隆的科学家沮丧地发现多莉得的病更容易发生在年老的羊身上。 Cloning scientists were cast down to find that Dollys illnesses were more appropria
6、te to a much older animal. 4.多莉的死,正如她的出生一样,注定让人担忧。 Dollys death,like her birth,was bound to raise worries. 5.其优点是,如果发生了某种新的疾病,这类动物中的一些可能会死掉,但是另外一些却能存活下来,并且把这种免疫力传给下一代。 The advantage is that if there is a new illness some of these animals may die,but others will survive and pass on the ability to res
7、ist that disease to the next generation.,Cloning is a way of making an exact copy of another animal or plant.It has two major uses.One is that gardeners use it 1.to produce(produce) commercial quantities of plants.The other is that it is 2.valuable(value) for research on new plant species and for me
8、dical research on animals.However,the process of cloning is difficult 3.to undertake(undertake). Many 4.attempts(attempt) to clone mammals failed.The first successful clone,Dolly the sheep,made the whole 5.scientific(science) world follow its progress,though it had more problems 6.than the normal sh
9、eep.On the other hand,Dollys appearance 7.raised(raise) a storm of objections and had a great impact 8.on/upon the media and public imagination.Some countries accumulate abundant evidence that cloning could provide for medical aid.9.However,scientists still wonder whether cloning will help or harm u
10、s and 10.where it is leading us.,重点短语,重点句型,重点单词,differ vi.不同;相异 Think about how they differ.考虑一下他们有什么不同。(教材原句P10) 常见用法 differ in在方面不同 differ from与不同,不同于;与意见不一致 differ on/about/over sth.在上持不同意见 They differ in size but not in kind.它们只是大小不同,而实质是一样的。 We differ about moral standards.我们对道德标准的看法不一致。,重点短语,重
11、点句型,重点单词,拓展延伸 1.different adj.不同的;差异的 be different from与不同 2.difference n.不同,差异 make a difference起作用;产生影响 tell the difference 分辨差异 现学活用 用适当的介词填空 1.The two systems differ in many respects. 2.People differ from one another in their ability to handle stress. 3.The two lawyers differed about/on/over how
12、 to present the case. 4.The publishing business is no different from any other business in this respect.,重点短语,重点句型,重点单词,undertake vt.着手;从事;承担;答应(做某事) It is a difficult task to undertake.这是一项很难完成的任务。(教材原句P11) 常见用法 undertake sth.着手/承担/从事某事 undertake to do sth.答应/着手做某事 undertake that.保证 The lawyer unde
13、rtook the case without a fee.这位律师免费承办那个案子。 Will you undertake to let him know what has happened?你能答应会把发生的事情告诉他吗?,重点短语,重点句型,重点单词,现学活用 完成句子 1.他答应在星期五以前完成那项工作。 He undertook to finish the job by Friday. 2.我保证你会喜欢这次旅行。 I can undertake that you will enjoy the trip.,重点短语,重点句型,重点单词,cast vt.扔;掷;向投以(视线、笑容等) C
14、loning scientists were cast down to find that Dollys illnesses were more appropriate to a much older animal.研究克隆的科学家沮丧地发现多莉得的病更容易发生在年老的羊身上。(教材原句P12),重点短语,重点句型,重点单词,常见用法 cast down丢下,扔下;使向下;使沮丧(常用被动语态) cast off 抛弃,丢弃;与断绝关系 cast out 扔出;驱逐 cast a look/glance at向瞥一眼 cast sb.into prison 把某人送进监狱 cast light
15、 on/upon弄清楚 The enemy cast down their weapons and surrendered.敌人丢掉武器投降了。 Can anybody cast light on how this chair got broken?谁能帮忙查清这把椅子坏掉的原因?,重点短语,重点句型,重点单词,现学活用 完成句子 1.那个小女孩拘谨地站在老师面前,垂下了目光。 Standing timidly before the teacher,the girl cast down her eyes. 2.他没找到工作,十分泄气。 He was much cast down by his
16、failure to find work.,重点短语,重点句型,重点单词,objection n.不赞成;反对,异议 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,多莉羊的出现引起了一阵强烈的反对,对媒体和公众的想象力也产生了极大的影响。(教材原句P12) 常见用法 raise an objection to sth.对某事提出异议 have/make an objection to (doing) sth.对(做)某事表示反对 None of them raised any objection. 他
