新课标人教版选修八Book8-Unit2-Language-points.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit2 Cloning-Language Points,第1页,Important phrases and sentences:,1 克隆植物简单，但克隆动物就非常复杂了。,Cloning plants is straightforward while cloning animals is very complicated.,While 使用方法小结：,(1)引导时间状语从句,从句中谓语动词应用延续性动词或表示状态词。,eg.While the discussion was still going onGeorge came in.,当讨论还在进行时,乔治走了进来。,Strike while the iron is hot.,趁热打铁。,(2)引导让步状语从句,多用于句首。意为“尽管,即使”。,eg.While I admit his good points I can see his bad.,尽管我认可他优点,但我也看到了他不足。,While he loves his students,he is very strict with them.,即使他爱他学生,可是他对他们很严格,(3)While作并列连词用,意思为“而,然而”,表前后意义上对比或转折。,eg.Theres plenty of rain in the southeast,while theres little in the northeast.,东南部雨量充分,而西北部则极少下雨。,Some people waste food while others havent enough.,有些人浪费粮食,然而有些人却吃不饱。,egShe thought I was talking about her daughter,_,in fact,I was talking about my daughter.,A.whom B.where C.which D.while,第2页,(4)引导条件状语,意思是“只要”,eg.While there is a will,there is away.,有志者事竟成,We can surely overcome these difficulties while we are closely united.,只要我们紧密地团结一致,一定能克服这些困难。,(5)while从句中省略。当while从句中主语与主句主语一致,且含有be某种形式时,从句中主语连同be可同时省略。,eg.While listening to the radio,she fell asleep.,她在听收音机时睡着了。,While in London,he studied music and painting.,在伦敦时,他学习音乐和绘画。,(6)while可用作名词,意为“一会儿;一段时间”,作名词用时,主要用于短语中:after a while“过了一会儿”;all the while“一直,一直”;a short/little while ago“刚才”;once in a while“偶然、间或”;wait/rest(for)a while“等/休息一会儿”。,I havent seen her for along while.,He usually goes to work by bike,but once in a while he goes by bus.,第3页,2 它是一件极难完成任务。,It is a difficult task to undertake,undertake-观察示例:,The procedure is difficult to undertake,of course.当然,这个过程极难实施。,The scientist undertakes the experiment.科学家从事这项试验。,I can undertake the responsibility for the changes.我愿意负担这些变革责任。,即时练习：(1)He will _ _ _ _ next month(去旅行).,(2)He _ _ _ _(负担一项新任务).,a,undertake,journey,undertook,task,new,a,第4页,3-科学家决心和耐心最终得到了回报,But at last the determination and patience of the scientists paid off,复习：pay off,“是值得，没有白费”,His efforts paid off,（他努力没有白费）when the girl accepted his proposal.,“偿清，还清”,明年此时我债就要还清了。,Ill have paid off my debt by this time next year.,第5页,4 Then,came the disturbing news that,Dolly became seriously ill.,然后传来了多莉得了重病令人烦恼消息。,disturb,vt.,扰乱,使不安,弄乱;disturbed,adj.,被扰乱,动荡,不安；,disturbing,adj,.令人不安。,用disturb,disturbing,disturbed填空。,(1)Im very _,disturbed,_ about Alice.,(2)Dont _,disturb_,the papers on my desk.,(3)This country is in a _,disturbing,_state.,(4)What _,disturbing_,news it is!,第6页,5克隆科学家沮丧地发觉多莉病更轻易在年老羊身上。,Cloning scientists were cast down to find that Dollys illnesses were more appropriate to a much older animal,.,复习：cast down 使沮丧 （惯用于被动语态或作表语）,听到这个消息他很沮丧。,_,发觉事情真相使他很沮丧。,_ _,（2）be appropriate to/for 适合于-，适当,Beethovens music,is appropriate for the occasion.,(适合这个场所),You should write it in a style,which is appropriate to your subject.,(适合你文章主题)。,He was cast down to hear the news.,Finding out the truth made him,cast down.,第7页,6 On the other hand,Dollys appearance,raised a storm of objections,and,had a great impact on,the media and public imagination.,另首先,多莉出现引来了一阵强烈反对，对媒体和公众想像力也产生了极大影响。,objection不赞成；反对,拓展：object vi 不赞成，反对 object to 反对,1)Do you have any objections?你有任何异议吗？,2)Whats _ _?（你对我计划有什么异议吗？）,3)I _ .（我反对这项计划）,4)We object to being treated like this.我们要抗议受到如此待遇。,have/make a strong/great impact on.对 有（产生）巨大影响,1)The anti-smoking campaign _,young people.（有极大影响）,2)This book _,has/makes a strong/great impact on,_its readers,（这本书对其读者产生了巨大影响）,your objection to my plan,object to the plan/have an objection to the plan,has/makes a strong/great impact on,第8页,7 Some began to,reform their legal systems,and,forbade research into,human being.,有些政府开始改革他们法律制度，禁止进行克隆人研究。,forbid vt(forbade/forbad,forbidden)禁止；不准,1)Smoking is forbidden during take-off.飞机起飞时禁止吸烟。,2)I _,forbid you to tell anyone/forbid your telling anyone_.,（我禁止你告诉任何人）,3)The law,_,forbids(using)fertilizer,_.（禁止使用化学肥料）,4)You are _,forbidden to leave _.,（你们都不准离开）,拓展,forbid sth 禁止某事,forbid doing sth.禁止做某事,forbid sb.to do sth.禁止某人做某事。,第9页,8.,Is it in favor of cloning or against it?,是赞成克隆还是反对？,in favor of=be for 支持；赞成 反义词组:be against 反对,1)We _,are all in favor of/are all for,_,your suggestion.（我们都赞同你提议）,2)Some people _,are in favor of/are for,_ the death penalty while others are against it.（有些人赞同死刑，而另一些人反对）,联想拓展in sbs favor 对某人有利,do sb.a favor(=do a favor for sb.)帮某人一个忙,do sb.the favor to do sth(=do sb.a favor by doing sth.)帮忙做某事,3)The present situation is,in their favor,.当前形势对他们有利,4）Can you,_,do me the favor to,_ put the book back?,（你能帮我这个忙把这本书放回去吗？第10页,9 Dollys death,like her birth,was bound to raise worries,Dolly之死，正如它出世一样，注定要带来焦虑。,be bound to 必定会,In a group as big as this,you are bound to have disagreements,.(你一定会碰到不一样意见。),第11页,依据汉语提醒完成以下句子,1.That is _,where we differ with each other,_(我们意见不和地方),2.He is not easily,_,cast down,_(情绪低落),3.The courts decision,_,is in his favor,_(对他有利)so he was not worried.,4.The procedure _,is hard to undertake,_(极难操作),5.About cloning human beings religious leaders _,raised moral questions,_(,提出了道德方面质疑),6 I _,object to your project,_,(反对你计划)because it will cost too much money.,7 Modern science,has an impact on,(对有影响)the whole society.,8 There were 249 votes,in favor of,(支持)the plan and 123 against.,9 He quickly _ _ _(积蓄了一大笔财富).,10 You know,this kind of thing,is bound to happen one day,.(这种事情迟早会发生),accumulated large fortune,第12页,1 大多数人支持我计划但仍有少数人持反对意见。（while）,The majority are in favor of my project while the minority are still against it.,2 他说更他所作所为差异很大。（名词性从句）,What he said differed greatly from what he did.,3 计划因缺钱极难实施，这让我们很沮丧(,The project is hard to undertake for lack of money,which made us very cast down.,4 他们强烈发对用募捐方式来筹钱。,They strongly objected to raising money by means of donating.,5 他放弃了这个机会，原因是他性格不适合这份工作。（表语从句）,He gave up the chance and the reason was that his character was not appropriate for the job.,6 是你通常所作所为对孩子产生极大影响。,It is what you do usually that has great impact on your children,.,7 学校禁止学生带手机到教室，然而还是有很多人不恪守这个规章制度。,The school forbids students to carry cellphones to the classroom;however,a great many students disobey the regulation.,第13页,