2021高考英语大一轮复习Unit2Cloning课件新人教版选修8.pptx

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1、Unit 2Unit 2CloningCloning考点一-2-【识记阅读单词】1.twin n. 双胞胎之一;孪生儿之一adj. 成对的;成双的mercial adj. 商业的;贸易的3.procedure n. 程序;步骤;手续4.arbitrary adj. 任意的5.conservative adj. 保守的;守旧的6.constitution n. 宪法;章程pulsory adj. 必须做的;义务的;强迫的;强制的8.opera n. 歌剧;歌剧团;歌剧院9.chorus n. 合唱;合唱队10.turkey n. 火鸡11.claw n. 爪;脚爪12.hatch vt.& vi

2、. 孵出;孵卵;孵化.单词单词 由简到难,水到渠成The first step is as good as half over.考点一-3-【拼写高频单词】1.straightforward adj.简单的;直接的;坦率的2.undertake vt.(undertook,undertaken) 着手;从事;承担3.breakthrough n.突破4.cast vt.(cast,cast)扔;投;掷5.altogether adv. 总共;完全地6.obtain vt.获得;赢得7.attain vt.获得;到达(水平、年龄、状况等)8.moral adj.道德(上)的;伦理的9.accum

3、ulate vt.& vi.积累;聚积10.loaf n.一条(面包)11.flour n.面粉考点一-4-12.owe vt.欠(账、钱、人情等);归功于13.shortly adv.立刻;不久14.bother vt.打扰vi.操心n.烦扰15.strike vt. & vi.(struck,struck)打;撞击;罢工n.罢工16.initial adj.最初的;开始的17.vain adj.虚荣的;自负的;徒劳的18.drawback n.缺点;不利条件19.merely adv.仅;只;不过20.decoration n.装饰21.feather n.羽毛22.adore vt.崇拜

4、;爱慕;喜爱考点一-5-【拓展核心单词】1.differ vi.不同;相异difference n.不同;差异different adj.不同的 2.exact adj.精确的;准确的exactly adv.精确地;准确地 3.carry v.携带;搬运carrier n.携带者;搬运工;运输工具 4.correct v.改正;修正adj.正确的correctly adv.正确地correction n.改正;纠正;修正 5.object vi.反对;不赞成objection n.不赞成;反对;异议 6.media n.(pl.)媒介;手段;工具medium(单数)7.obtain vt.获得

5、;赢得obtainable adj.可获得的;可得到的 考点一-6-8.forbid vt.禁止;不准forbade(过去式)forbidden(过去分词)9.retire vi.退休;离开retirement n.退休;退役retired adj.退休的 10.assume v.假定;设想assumption n.假定;设想11.regular adj.规则的;有规律的regularly adv.有规律地;固定地regulation n.规则;规章;法规12.resist vt.抵抗;对抗resistance n.抵抗力13.able adj.能够;会unable adj.不能的;不会的14

6、.reason n.道理;理由reasonable adj.合情理的;讲道理的;公道的考点一-7-1.后缀-ance高频名词resistance 抵制;抵抗appearance 外观;外貌;出现entrance 入口importance 重要;重要性guidance 指导;领导insurance 保险ignorance 无知;愚昧significance 意义;重要性elegance 优美;高雅tolerance 宽容;容忍assistance 协助;援助考点一-8-2.resist形近词集锦insist v.坚持consist vi.由组成assist v.协助3.accumulate相关动

7、词小结enlarge vt.&vi.扩大;放大expand vt.&vi.扩大;膨胀increase vt.&vi.增长reduce vt.&vi.减少shrink vt.&vi.收缩;缩小考点一-9-4.巧记合成词fall downdownfall 垮台get togetherget-together 聚会break throughbreakthrough 突破break outoutbreak 爆发5.owe相关用法面面观owe.to.把归功于owing to因为;由于owe sb.an apology 该向某人道歉owe sb.a favour 欠某人一个人情owe sb.sth.=ow

8、e sth.to sb.欠某人某物考点一-10-6.复习condition常见搭配living conditions生活环境in good/poor condition状况很好/坏out of condition健康状况欠佳on condition that.在条件下;倘若7.forbid的用法(+doing/+宾语+to do sth.)联想forbid 禁止allow 允许advise 建议admit 承认permit 许可encourage 鼓励考点一-11-【识记】1.side road 旁路;支线;岔道(sidewalk)2.cast down 使失望;使沮丧3.(be)bound

9、to(do).一定或注定(做)4.strike.into ones heart 使刻骨铭心5.bring back to life 使复生;使复活【默写】1.得到好结果;取得成功;偿清 pay off2.赞成;支持 in favour of3.不时;偶尔 from time to time4.白费力气;枉费心机 in vain5.状况/情况很好(坏)in good/poor condition.短语短语化难为简,轻松记忆Learn to walk before you run.考点一-12-1.“in+名词+of”短语全接触in search of 寻找in honour of 为了;向表示尊

10、敬in favour of 赞成;支持in memory of 为了纪念in view of 鉴于;由于in terms of 谈及;就而言;在方面2.heart常见搭配lose heart 灰心heart and soul 全心全意地strike.into ones heart 使刻骨铭心put ones heart into.用心对待考点一-13-Dollys death,like her birth,was bound to raise worries.多莉之死,正如它的出世一样,注定要带来焦虑。考点提炼be bound to do sth.意为“注定要”。.高频句型高频句型分析探究,融

11、会贯通Nothing is impossible to a willing heart.这些话肯定会让他生气的。The words are bound to make him angry.考点一-14-Cloning is a way of 1.making(make) an exact copy of another animal or plant.2.It has two major uses.One is that gardeners use it 3.to produce(produce) commercial quantities of plants.The other is tha

12、t it is 4.valuable(value) for research on new plant species and for medical research on animals.5.However , the process of cloning is difficult to undertake.Many attempts to clone mammals failed.The first successful clone, Dolly the sheep,made the whole 6.scientific(science) world follow its process

13、,though it had more 7.problems(problem) than the normal sheep.On the other hand,Dollys appearance 8.raised(raise) a storm of objections and had a great impact on the media and public 9.imagination(imagine).Different people have different opinions of it.However,scientists still wonder whether cloning

14、 will help or harm us and 10.where it is leading us.语篇填空语篇填空旧材新用,探究根源Kill two birds with one stone.考点二-15-核心词汇核心句式1.differ vi.不同;相异派生difference n.不同之处different adj.不同的领悟高考究考法用介词或differ的适当形式填空(1)The style of the campus is quite from that of most Chinese universities.(2018全国,阅读理解C)校园的风格与中国的多数大学大不相同。(2

15、)You may have the opportunity to make your biggest _when youre older.(2016四川,阅读理解B)当你年老的时候,你可能有机会大有作为。(3)Studies have shown that the right and left ears process sound .(2015浙江,单项填空)研究表明左耳右耳处理声音方式不同。different difference differently 考点二-16-核心词汇核心句式(4)I must differ you on the matter.在这件事上,我不能同意你的意见。联想拓

16、展记考点(1)differ from/with.on/upon/about/over.与就意见不同(2)sth.differ from sth.in.与在方面不同(3)make a difference to 对产生变化;对有影响(4)A is different from B in.A与B在方面不同from 考点二-17-核心词汇核心句式2.undertake vt.着手;从事;承担;保证undertook(过去式); undertaken(过去分词)领悟高考究考法完成或翻译句子(1)Just tell us whether you can or not.(2015湖北,完成句子)你就告诉我

17、们你能否承担这项任务吧。(2)The lawyer undertook the case._(3)I will undertake that you shall be happy._undertake the task 该律师承办这个案子。我保证你会幸福的。考点二-18-核心词汇核心句式联想拓展记考点(1)undertake to do sth.保证/答应做某事(2)undertake+that从句保证考点二-19-核心词汇核心句式3.pay off得到好结果;取得成功(常用主动语态);偿清债款;付清工资并解雇;(对进行)报复;收买(某人)领悟高考究考法完成或翻译句子(1)This work

18、is starting .(2016北京,阅读理解C)这项工作开始得到回报。(2)Sacrifices pay off in the end._(3)Its a good feeling to pay off the house after all these years._联想拓展记考点(1)pay sb.for sth.因为某事付钱给某人(2)pay back还钱;报复to pay off 牺牲最终得到了回报。经过了这么多年,还清了购买房屋欠款的感觉真好。考点二-20-核心词汇核心句式4.object vt.& vi.不赞成;反对n.物体;目标领悟高考究考法完成或翻译句子(1)It did

19、nt occur to me that .我没想到你会反对。(2)They all .他们都反对这个计划。(3)We object to (leave) school and going to work.我们反对辍学去打工。(4)If anybody objects,well put off the meeting._you would object object to the plan leaving 如果有人反对,我们就推迟会议。考点二-21-核心词汇核心句式联想拓展记考点(1)object to sb./sth.不赞成某人/某事(2)object to doing sth.反对做某事(3

20、)object to sb.doing sth.反对某人做某事(4)object that.反对考点二-22-核心词汇核心句式5.forbid vt.禁止;不准领悟高考究考法用所给单词的适当形式填空或完成句子(1)My father forbade me meeting my friends online at the Internet caf.My father forbade me (meet)my friends online at the Internet caf.我爸爸禁止我去网吧见我的网友。(2)I think it necessary to forbid supermarkets

21、 (offer) free plastic shopping bags.我认为禁止超市提供免费的塑料购物袋是必要的。from to meet to offer 考点二-23-核心词汇核心句式联想拓展记考点(1)forbid doing sth.禁止做某事(2)forbid sb.to do sth.禁止某人干某事(3)forbid sb.from doing sth.禁止某人做某事(4)forbidden adj.被禁止的;严禁的考点二-24-核心词汇核心句式6.owe vt.欠(账、钱、人情等);归功于领悟高考究考法翻译或完成句子(1)He gave me a lot of help.I o

22、wed much to him._(2)He paid me ten dollars he .他还了欠我的10美元。(3)Looking back,Diana her achievements the goal she set.回想一下,戴安娜把她的成就归功于她所设定的目标。他给了我许多帮助,我非常感激他。 owed me owes to 考点二-25-核心词汇核心句式联想拓展记考点(1)owe sb.sth.=owe sth.to sb.欠(某人)债(2)owe sth.to sb./sth.将某事物归因或归功于某人/某事(3)owing to 因为;由于考点二-26-核心词汇核心句式7.r

23、esist vt.抵抗;对抗;忍住(多与cannot,couldnt连用)派生resistance反对;抵制领悟高考究考法翻译或者完成句子(1)Brooks is one of these writers who have failed to resist the temptation.(2015湖北,阅读理解E)_(2)Lack of proper nutrition reduces their power to resist disease._布鲁克斯是没能抵制住诱惑的作家之一。营养不良降低了他们对疾病的抵抗力。考点二-27-核心词汇核心句式(3)The (resist) to vacci

24、ne has continued for decades,and it is driven by a real but very small risk.(2017北京,阅读理解D)对疫苗的抗药性已经持续了十几年,它是由一个真实但非常小的风险驱动的。(4)She cant resist (try)a piece of chocolate.她忍不住尝了一块巧克力。联想拓展记考点(1)resist sb./sth.抵抗/抵制某人/某物(2)cant/couldnt resist doing sth.忍不住干某事resistance trying 考点二-28-核心词汇核心句式8.in good/po

25、or condition 状况很好(坏);情况很好(坏)领悟高考究考法完成句子(1)The car has been well maintained and is .这辆车一直保养得很好,车况极佳。(2)What I want you to realize is that everybody is likely to be .我想让你意识到的是每个人都有可能有状况不好的时候。(3)You can keep the books for about 3 weeks you preserve them well.这些书你可以借大约三周,条件是你必须好好保存。(4) should you lose h

26、eart when you are in trouble.当你处境危险时,你决不能失去信心。in good condition in poor condition on condition that On no condition 考点二-29-核心词汇核心句式联想拓展记考点(1)out of condition健康状况欠佳(2)working/living conditions工作/生活环境(3)on condition that在条件下;倘若(4)on no condition一点也不;决不(放在句首时,用部分倒装语序)考点二-30-核心词汇核心句式The advantage is tha

27、t if there is a new illness some of these animals may die,but others will survive and pass on the ability to resist that disease to the next generation.其优点是如果发生某种新的疾病,这些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。分析提炼究考法The advantage is that.“优势是”,此处that引导表语从句。(1)The advantage/strength of.is that.的优势是(2)

28、The disadvantage of.is that.的不足是(3)The drawback of.is that.的缺点是(4)The problem of.is that.的问题是(5)The chance is that.有可能考点二-31-核心词汇核心句式领悟考法用考点完成或翻译句子(1)One of his first was articles in the science section were much more likely to make the list than non-science articles.(2016全国,阅读理解D)他的第一个发现之一是,科学组的文章比

29、非科学组的文章更容易做出列表。(2) of smiling it can not only make us happy,but also please others.微笑的优势在于它不仅仅让我们高兴,还能取悦别人。findings that The advantage is that 考点二-32-核心词汇核心句式(3) our team will finish at the top,as our remaining matches arent too difficult.由于我们队余下的比赛不太艰难,我们队在结束时有可能名列前茅。(4)The drawback of the populari

30、ty of cars is that it brings about so much air pollution._The chance is that 汽车普及的缺点是它带来了严重的空气污染。 -33- .单句填空1.It wont make much (differ) whether you go today or tomorrow.2.Their answers are (exact) the same.3.I owe my success the encouragement and help from my colleagues and friends.4.(strike) by th

31、e beauty of the West Lake,we stopped to admire it.5.When she got to the place,she could not resist (go) in.6.We objected to (leave) in such a hurry.7.In view of our long business relation,we do not object _ another negotiation.difference exactly toStruckgoing leaving to-34- 8.John (obtain) his paren

32、ts permission before he went abroad.9.I talked to Mr.Brown about it,and he was in favour going there with us.10.The disadvantage of the area is there is no public transport.11.The athletes years of hard training paid when she finally won the gold medal.12.His parents tried to persuade him not to giv

33、e up his well-paid job,but their efforts were vain.13.I think it is her personality rather than her looks has struck me.had obtainedofthat off in that -35- .单句改错1.Then came the exciting news he was admitted into Peking University._2.He has a strong objection to smoke in public places._3.Mother made

34、a promise if I passed the exam,she would buy me a watch._4.It suddenly struck to me that we should make a new plan._5.You can go swimming in condition that you dont go too far from the river bank._he前加that smokesmokingif前加that去掉toinon-36- 6.Owe to his absence,we had to put off the class meeting till

35、 next week._7.Mountain Tai has struck its beauty on my heart;as a result,Ive decided to visit it again._8.His efforts were paid off when the girl accepted his proposal._OweOwingoninto去掉were-37- .写作训练1.骑自行车上班的优势是我们可以过一种低碳生活。(The advantage of.is that.) we can live a low-carbon life.2.她与她哥哥性格不同。(differ

36、 from)She in character.3.我不能保证按时做完它。(undertake)I Ill finish it on time.4.我忍不住要把这个秘密告诉他。(resist)I couldnt the secret.5.这些书你可以借三个礼拜,条件是你必须好好保存。(condition)You can keep the books for about three weeks you preserve them well.The advantage of cycling to work is that differs from her brother cant undertake that resist telling him on condition that