2019版高考英语一轮复习 Unit 2 Cloning课件 新人教版选修8.ppt

1、Book 8Unit 2Cloning,语言点用法过关1.differ vi.不同;相异教材原句Think about how they differ.想想它们是怎么不同的。语境应用单句填空 She differs from her sister in many respects.We know of different (differ) cultures by learning English.,单句改错She differs her brother in character. differs后加fromHowever, I differ the man who is speaking. d

2、iffer后加with/from写作微练对于网上投票,观点是不一样的。(2016江苏书面表达) In regard to voting on the Internet, opinions differ/are different.,用法点拨(1)differ from(=be different from)与不同differ in(=be different in)在方面不同differ with sb. on/about/over sth.与某人在某事上意见不同(2)different adj.不同的;有差别的(3)difference n.区别;差异,2.forbid vt.禁止;不准 教

3、材原句Some began to reform their legal systems and forbade research into human cloning,but other countries like China and the UK,continued to accumulate evidence of the abundant medical aid that cloning could provide.有些(政府)开始改革司法制度,来禁止进行克隆人的研究,但是其他国家,如中国和英国,则继续收集克隆技术有可能提供的丰富的医疗救助的证据。语境应用,单句填空The patien

4、ts are forbidden, even if they have recovered, to drink (drink) in hospital.You cant smoke here. Regulations forbid smoking (smoke) in this room.It is strongly suggested that measures be taken to forbid students to cheat(cheat) in the exams.写作微练为了保护环境,政府禁止市民使用塑料袋。In order to protect the environment,

5、 the government forbids the citizens to use plastic bags.单句改错You are forbidden enter the library without permission. 在enter前加to,用法点拨(1)forbid doing sth.禁止做某事forbid sb. to do sth.禁止某人做某事forbid sb. from doing sth.禁止某人做某事forbid sb. sth.禁止给某人某物(2)forbidden adj.被禁止的,3.bother v.打扰;操心 n.烦扰教材原句However,the p

6、roblem that she later developed a serious lung disease both-ered scientists.然而,她后来得了严重肺病,这一问题困扰着科学家。语境应用单句填空He didnt bother to check (check) the exact wording of the contract.I am sorry to have bothered you withso many questions on such an occasion.,完成句子 Why bother going abroad to study when there a

7、re so many universities at home?既然国内有这么多大学,何必去国外学习呢?写作微练让我苦恼的是妈妈禁止我玩电脑游戏。 It bothers me that my mother forbids me to play computer games.,用法点拨bother about为某事苦恼bother to do sth.费心做某事bother sb. with sth.用某事麻烦某人not bother oneself about不为操心It bothers sb. that/to do sth.使某人苦恼的是why bother 为何那么麻烦;没必要;何必put

8、 sb. to any bother给某人添乱,4.strike vi. 划(火柴) n.罢工教材原句.proves how the idea struck a mixture of fear and excitement into people?s hearts.证明了这一想法是如何使人们感到既兴奋又恐惧的。语境应用写出下列各句中strike的含义Strike while the iron is hot. 敲击A terrible earthquake struck this area last year. 侵袭,袭击The workers decided to strike for a p

9、ay increase of 6%. 罢工,It struck me that he was American. 突然想起The clock has just struck twelve. (钟表)报时The girl struck a match and lit the candle. 擦/划(火柴) 一句多译我突然想到明天我有一个重要的会议要参加。(2016课标全国书面表达) It strikes me that I have an important meeting to attend tomorrow. (strike)It occurs to me suddenly that I h

10、ave an important meeting to attend tomorrow. (occur),用法点拨(1)be struck by为所侵袭;为所感动sth. strikes sb./It strikes sb. that.某人突然想到go on strike举行罢工be on strike在罢工(2)striking adj.引人注目的,显著的(3)It occurs to sb. that.某人想到,5.owe vi.欠 (账、钱、人情等);归功于教材原句You owe the lady an apology.你该向那位女士道歉。语境应用单句改错Owing the heavy

11、rain, our get-together is cancelled. Owing后加to I owe this to the doctor that I am still alive. thisit,完成句子He owes it to you that he is so healthy. 他现在这么健康多亏了你。写作微练很多人都把成功归因于执行计划的好习惯。(2016浙江书面表达) A great many people owe their success to the good habit of carrying out a plan. 由于您的指导,最近我的英语学习进展得很顺利。(20

12、17天津书面表达)I have been getting along well with my English study recently owing to/thanks to/as a result of/because of/on account of your guidance.,用法点拨(1)owe sb. sth.= owe sth. to sb.欠某人某物owe it to sb. to do sth.(认为)应该为某人做某事owe sth. to sth.把归因于(2)owing to 由于,因为 联想表示 “因为” 的其他常用短语:due to;thanks to;on ac

13、count of;because of;as a result of,6.objection n.反对;不赞成;异议教材原句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。,语境应用单句填空He objected to being treated (treat) like a child. I feel a stro

14、ng objection (object)to getting up early.单句改错Whatever you say, I will object the idea of cloning human beings.在object后加to Now that this car is in good condition, I object to buy a new one. buybuy-ing,写作微练因为有人可能作弊,所以很多人反对网上投票。(2016江苏书面表达)Because its likely that someone cheats, many people object to v

15、oting on the Internet .用法点拨(1)have no objection to (doing) sth.对(做)某事没有异议raise an objection to(doing) sth.对(做)某事有异议(2)object v.反对,不赞成object to sb./sth./doing sth.不同意、不赞成、反对做某事(3)objective n.目标 adj.真实的,客观的,1.pay off取得成功, 带来好结果;还清, 付清教材原句But at last the determination and patience of the scientists pai

16、d off in 1996.但科学家们的决心和耐心在1996年终于得到了回报语境应用用pay的相关短语填空Ten years ago, David borrowed a lot of money from the bank. In order to pay back his loans, he worked hard day and night. Finally, his ef-forts paid off and he paid off all the debts.,单句改错It is required that we pay attention to improve the working

17、 conditions of the workers in our country. improveimproving 写作微练结果,他们反对的那项计划最终取得了成功。 As a result, the plan that they had objected to paid off eventually.,用法点拨pay back偿还(钱); 报复pay sb. for sth. 为某物付给某人钱pay for sth.付某物的钱;为某事付出代价pay attention to注意pay a visit to参观, 访问pay a price for 为付出代价,2.in good condi

18、tion 状况很好;情况很好教材原句The dodo became extinct fairly recently so its DNA is still in good condition. 渡渡鸟的灭绝时间相当近,因此它的DNA仍然状况良好。语境应用完成句子 Mike is out of condition(身体不好)because he never takes any exercise.You can keep the books for about 3 weeks on condition that (条件是)you preserve them well.,同义句转换You shoul

19、d never lose heart when you are in trouble. On no condition should you lose heart when you are in trouble.(将on no condition放在句首)写作微练听说你健康状况欠佳我很难过。 I am very sorry to hear that you are out of condition.,用法点拨in poor condition情况很坏out of condition健康状况欠佳working/living/studying conditions工作/生活/学习环境on cond

20、ition that.在条件下;倘若on no condition一点也不;决不(放在句首时,用部分倒装语序),3.in vain 白费力气,枉费心机教材原句All efforts of cloning an animal will be in vain if there is not enough diversity in the group to overcome illnesses. 如果某个动物群体没有足够的多样性以战胜疾病,那么克隆这种动物的所有努力都将是无用的。语境应用用含有in的短语填空Last year, David lost his job and he was in debt. But he is in possession ofa big house now. All the things in it are in order/place , making the house very neat. He is warm-hearted and ready to help those in