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,*,Unit2Cloning词汇新人教版选修8ppt课件,1,假设你班就科学家是否应该克隆人进行了讨论，20的同学赞成，认为其一：有利于促进该科学领域取得突破；其二：克隆智力过人的伟大科学家，人类将拥有更多有非凡贡献的人。80的同学反对，因为这样违背社会道义，克隆人没有父母，无法像正常人一样生活，试谈谈你的看法。词数120字左右。,假设你班就科学家是否应该克隆人进行了讨论，20,2,范文背诵,Did you ever imagine having a child that is the exact replica（复制品）of you?Did you ever imagine of having the cure for heart disease or cancer?Well,these fantasies are not far from reach.The way we could reach these fantasies is through a process called cloning.Cloning is the replication of an exact genetic copy of an organism by use of a somatic tissue(or cell)from the donor organism.Cloning can be used in humans,human organs,or even animals.There are many advantages and disadvantages of cloning.,A benefit of cloning is cloning human organs or body parts.If a person has a dysfunctional（变形）liver or heart then they could get it cloned and get a brand new one.These are some of the,范文背诵,3,benefits of cloning.Even though there are a lot of benefits to cloning,there are also a lot of disadvantages of cloning.One disadvantage is whether cloning is ethical.Cloning will bring up a great controversy on whether cloning is the“right”thing to do or not.This controversy is currently going on right now and will be even a greater controversy if the government allows cloning.Many people think that nature should just take its course.Other people think that cloning will be a very good thing to society.,句型背诵,The way we could reach these fantasies is through a process called cloning.,A benefit of cloning is cloning human organs or body parts,Even though there are a lot of benefits to cloning,there are also a lot of disadvantages of cloning.,benefits of cloning.Even thou,4,1._,vi.,不同；相异,_,adj.,不同的,_,n.,不同;不同之处,2.,_,adj.,精确的;准确的,_,adv.,精确地，准确地,3.,_,adj.,商业的；贸易的,_,n.,商业；贸易,4.,_,adj.,简单的;直接的;坦率的,5.,_,n.,程序;手续;步骤,6.,_,v.,着手;从事;承担,1._ vi.不同；相异,5,7._,v,.反对；不赞成,_,n.,不赞成；反对；异议,8.,_,adj.,道德（上）的;伦理的,_,adv,.道德上地;伦理上地,9.,_,vt.&vi,.积累;聚积,_,n.,积累;聚积,10.,_,vi.,退休;离开,_,n.,退休,11.,_,vt,.打扰；,vi.,操心;,n.,烦扰,12.,_,n,.假定；设想,_,v.,以为；设想；承担；呈现,13.,_,n,.规则，规章;法规,_,v,.规范；调节,_,adj.,定期的，有规律的;正规的,14.,_,vt.,抵抗，对抗,_,n.,抵抗，反抗；抵抗力,_,adj.,有抵抗力的,15.,_,adv,.仅；只；不过,_,adj.,仅仅的,答案：1.differ;different;difference 2.exact；exactly,mercial;commerce 4.straightforward 5.procedure,6.undertake 7.object;objection 8.moral;morally,9.accumulate;accumulation 10.retire；retirement 11.bother,12.assumption；assume 13.regulation;regulate;regular,14.resist;resistance;resistant 15.merely;mere,7._ v.反对；不赞成 _ n.,6,1.pay _ 得到好结果；取得成功；偿清,2.,_,down 沮丧；不愉快,3.,_,to 反对；不赞成,4.in,_,of 支持；赞成,5.be,_,to do.一定或注定（做）,6.,_,.into ones heart 使刻骨铭心,7.from,_,to time 不时；偶尔,8.bring,_,to life 使复生；使复活,9.in,_,白费力气；枉费心机,10.in good/poor,_,状况很好（坏）；情况很好（坏）,答案：1.off 2.cast 3.object 4.favour 5.bound,6.strike 7.time 8.back 9.vain 10.condition,1.pay _ 得到好结果；取得成功,7,The fact _ she seemed to develop normally was very encouraging.,多莉看来是在正常地成长着，这很令人鼓舞。,答案：that,The fact _ she seemed to,8,1.undertake,vt,.着手;从事;承担；承诺，答应,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。,He undertook to finish the job by Friday.,他答应星期五之前完成这项工作。,常用结构：,undertake sth.着手/从事/承担某事,undertake to do sth.保证/答应做某事,undertake that.保证,1.undertake vt.着手;从事;承担；承诺，答应,9,【即学即练】,完成句子,他欣然承担那项艰难的任务。,He _ the difficult task willingly.,他许诺当我们的向导。,He _ _ _ our guide.,答案：undertook,undertook to be,单项填空,He _ to improve the working conditions and the workers were expecting it.,A.undertook B.allowed,C.answered D.admitted,解析：选A。考查动词辨析。undertake此处意为“答应”相当于promise。,温馨提示,：其过去式为：undertook;过去分词为：undertaken。,【即学即练】,10,2.objection,n.,不赞成；反对；异议,Nobody raised any objection to my doing it right now.,没人反对,我现在就做这件事。,The chief objection to the essay is its inappropriate use of special jargons.,这篇文章的主要缺点是专业术语用得不当。,【联想拓展】,object表示“反对”，为不及物动词，后接宾语时需要加介词to。oppose表示“反对”，为及物动词，接宾语时不加介词to。但是在be opposed to中需要加介词to，表示“反对，与相反”。,object to sb./sth.不赞成某人/某事(to为介词),object to（sb.）doing sth.反对(某人)做某事,object that.反对,It was objected that.有人反对,常用结构：,have/make an objection to（doing）sth.对表示反对,2.objection n.不赞成；反对；异议,11,【即学即练】,完成句子,我们反对受到这样的待遇。,We _ _ _ treated like this.,母亲反对说，吉米身体太虚弱，不能承担那份工作。,Mother _ _ Jimmy was too weak to take up the job.,答案：object to being objected that,3.obtain,vt.,获得；赢得,I havent been able to obtain that record anywhere.,我到处都没买到那张唱片。,He said that the police had obtained this information by illegal means.,他说警方是靠非法手段获得这一资料的。,常用结构：,obtain sth.from sb./sth.从获得某物,obtain sth.by doing sth.通过做某事获得某物,【即学即练】,12,【易混辨析】,obtain/acquire/gain/earn/achieve,obtain 意为“获得，买到”。指通过努力或请求而得到，含有满足要求或达到目的的意味，属正式用语。,acquire 意为“经过努力逐步获得才能、知识、习惯等”，也可用于对财物等的“获得”，强调“一经获得就会长期持有”的含义。,gain 意为“通过较大努力获得某种利益或好处”；亦可指军事上的武力夺取等。,earn 意为“挣得，赢得”。指因工作等而得到报酬或待遇。,achieve 意为“得到；获得”，多指成就、目标、幸福的取得。,【易混辨析】,13,【即学即练】,选词填空(obtain/acquire/gain/earn/achieve）,I finally managed to _ a copy of the report.,It is through learning that the individual _ many habitual ways of reacting to situations.,An investor _ by buying stocks that go up in valu