人教版英语选修8 Unit2复习课件

1、unit 2unit 2cloningcloningthe courseware is authorized by j. cao, and whoever encroaches on right shall be punished!copyright reserved重点词汇重点词汇1_vt.着手；从事；承担着手；从事；承担2_n突破突破3_vt.扔；投；掷扔；投；掷4_vt.获得获得5_vt.禁止；不准禁止；不准6_vt.& vi.积累；聚积积累；聚积_n7_vt.欠欠(账、钱、人情等账、钱、人情等)；归功于；归功于8_vi.退休；离开退休；离开9_vt.打扰打扰vi.操心操心n烦扰

2、烦扰undertakebreakthroughcastobtain / attainforbidaccumulateaccumulationoweretirebotherforbadeforbiddenget / earn / achieve / acquire / win / gain10_vi.& vt.打；撞击；罢工打；撞击；罢工11_adj.虚荣的；自负的；徒劳的虚荣的；自负的；徒劳的12_adv.仅；只；不过仅；只；不过13_vt.崇拜；爱慕；喜爱崇拜；爱慕；喜爱14_vi.不同不同_adj. _n15_adj.精确的；准确的精确的；准确的_adv.16_vi.反对；不赞成反

3、对；不赞成_n17_n媒介；手段；工具媒介；手段；工具_pl.18_vt.抵抗；对抗抵抗；对抗_n抵抗；对抗抵抗；对抗strikevainmerelyadoredifferdifferentdifferenceexactexactlyobjectobjectionmediummediaresistresistancevainlystruckstrickenadmire短语回顾短语回顾1pay _ 得到好结果；取得成功；偿清得到好结果；取得成功；偿清 pay_偿还偿还2cast _ 使沮丧使沮丧cast_丢掉；抛弃丢掉；抛弃3object _ 反对反对4be _ to do 一定；注定一定；注定

4、( (做做) )6_.into ones heart 使使刻骨铭心刻骨铭心7_good/poor condition 状况很好状况很好( (坏坏) )；情况很好；情况很好( (坏坏) )8_ time to time不时；偶尔不时；偶尔9bring back to _ 使复生使复生10_ vain 白费力气；枉费心机白费力气；枉费心机offbackdownawaytoboundstrikefromlifein in 佳句回顾佳句回顾1the fact is that these are both examples of natural clones.实际上，这两种情况都是自然克隆的范例。实际上

5、，这两种情况都是自然克隆的范例。【例句仿写例句仿写】使这个学校骄傲的是超过使这个学校骄傲的是超过90%的学的学生被重点大学录取。生被重点大学录取。_ what made the school proud was that more than 90% of the students had been admitted to key universities2however，scientists still wonder whethercloning will help or harm us and where it is leading us.然而，科学家们仍然对克隆技术有助于人然而，科学家们仍

6、然对克隆技术有助于人类还是有害于人类，以及克隆技术将把我们引向哪里感类还是有害于人类，以及克隆技术将把我们引向哪里感到困惑。到困惑。【例句仿写例句仿写】我不知道他能否从失败中获益，还我不知道他能否从失败中获益，还是因此灰心。是因此灰心。_ .i wonder whether he will be able to benefit from the failure or lose heart.3the advantage is that if there is a new illness some of these animals may die，but others will survive a

7、nd pass on the ability to resist that disease to the next generation.其优点是如果发生了某种新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，并且把这种抗病能力传给下一代。来，并且把这种抗病能力传给下一代。【例句仿写例句仿写】优点是，如果我们一起工作，我们可以彼此学习优点是，如果我们一起工作，我们可以彼此学习。_the advantage is that we can learn from each other if we work

8、 together.1keep on working hard like this，and your research _ obtain great success.2he is _ by his not being chosen to be a volunteer of the national games.is bound tocast down3_ i receive some junk mails，which makes me annoyed.4you should follow the normal procedure if you want to_ the law case.fro

9、m time to timeundertake读读背背5it was apparent that his views _ greatly _ ( (与与不同不同) )those of his parents.6thinking they have grown up，the boys _( (反对反对) ) being treated like children.7according to the statistics，there were 247 votes _ ( (赞成赞成) ) and 150 against.differedfromobject toagainst8happily，th

10、ey have finally _( (还清还清) ) their debts after three years of hard work.9only by hard work can we _ our hometown _ ( (使恢复生机使恢复生机) )bringpaid offback to life1differ v不同；相异不同；相异 differ from. 不同于不同于 differ in. 在在不同；相异不同；相异 differ about / on在在方面有分歧方面有分歧 make some/no difference to.对对有些有些/没有影响没有影响/作用作用【经典例

11、句经典例句】1.think about how they differ.( (课本课本p10) )想一想他们有什么不同之处。想一想他们有什么不同之处。2.humans other animals _ their ability to speak.人与其它动物的不同之处在人与其它动物的不同之处在于人能说话。于人能说话。3.the two lawyers how to present the case.两个律师在如何为该案辩护方面两个律师在如何为该案辩护方面意见有分歧。意见有分歧。differ from differed about in【即时应用即时应用】although they differ

12、 _ character _ each other，it does not make much difference _ their friendship.ain；from；tobwith；in；tocto；from；in dwith；to；in2undertake v着手；从事；承担着手；从事；承担 undertake a task/project 承担一个任务承担一个任务/项目项目 undertake a survey 进行调查进行调查 undertake for sth.为为负责负责 undertake to do答应或许诺做某事答应或许诺做某事 【经典例句经典例句】这是一项要承担的艰巨

13、任务。这是一项要承担的艰巨任务。it is a difficult task to .( (课本课本p11) )她为新变化承担全部责任。她为新变化承担全部责任。she full responsibility for the new changes. undertakeundertook【即时应用即时应用】dont get worried，because the boss has _ to pay off the rest of the wages next month.aundertaken badmittedcrefused ddisagreed3forbid v禁止；不准禁止；不准 for

14、bid doing sth.禁止做某事禁止做某事 forbid sb.to do sth.禁止某人做某事禁止某人做某事 forbid sb.from doing sth.禁止某人做某事禁止某人做某事 forbid that.( (should) ) do. 禁止禁止【经典例句经典例句】some began to reform their legal systems and forbade research into human cloning.(课本课本p12)【即学即用即学即用】1.妇女不戴面纱被禁止外出。妇女不戴面纱被禁止外出。women out without a veil.2.作为惩罚

15、，他被禁止离开基地。作为惩罚，他被禁止离开基地。he the base as a punishment.are forbidden from going was forbidden to leave as parents，we do _ our daughter to surf the internet too much. but we dont forbid_ ( (look) ) up helpful information through the computer. of course，she feels unhappy whenever she _ to chat with her e

16、-pals on line. anyway，she is quite understanding. she knows that we dont really _ her to learn something good in the internet.forbidlookingis forbiddenforbid4. bother vt.打扰打扰vi.操心操心n烦扰烦扰however，the problem that she later developed a serious lung disease bothered scientists.( (课本课本p14) )最使我伤脑筋的是，他似乎对

17、自己的工作毫无兴趣。最使我伤脑筋的是，他似乎对自己的工作毫无兴趣。 most is the fact that he seems to take no interest in his work.what bothers me 【即时应用即时应用】im sorry to have _ you with so many questions on such an occasion.ainterrupted btiredcimpressed dbothered5resist v抵抗；对抗抵抗；对抗resist attack/water/the temptation 抵抗进攻抵抗进攻/防水防水/抗拒诱惑

18、抗拒诱惑resist doing sth.抵制做抵制做cant resist doing sth.忍不住做某事忍不住做某事【即时应用即时应用】she was on a diet，but she couldnt _ eating sweet food. consequently，her weight was gained again.aremove bresist creject dobject1pay off 得到好结果；取得成功；偿清得到好结果；取得成功；偿清1.but at last the determination and patience of the scientists in 1

19、996 with a breakthrough.2.two hundred workers have been .paid off paid off短语短语pay back 偿付；报答；向偿付；报答；向报复报复pay up 付清；还清付清；还清if you dont work now，youll pay for it later when you fail your exams. 你现在不好好学，到考试不及格时就会为你现在不好好学，到考试不及格时就会为此付出代价。此付出代价。can you lend me 10 and ill pay you back on friday.你能借给我你能借给我

20、10英镑吗？我星期五就还你。英镑吗？我星期五就还你。【即时应用即时应用】( (1) )youll sooner or later be paid_for what you are doing now.( (2) )i managed to get to the top of the company，and the ten years of my hard work finally paid_.( (3) )you will pay _ it at the time you order it.backofffor2owe .to 把把归功于；欠归功于；欠( (账、钱、人情等账、钱、人情等) )；

21、感激；感激【经典例句经典例句】you the lady an apology.你应该向那位女士道歉。你应该向那位女士道歉。( (课本课本p13) )we a lot to our parents.我们非常感激自己的父母。我们非常感激自己的父母。【即时应用即时应用】i_it to my teacher to take a betterpaid post if i can get one.aowe bbelong cgive ddonateoweowe3from time to time 不时；偶尔不时；偶尔【经典例句经典例句】 people suggest that extinct animal

22、s like dinosaurs，can possibly be brought back to life through cloning.不时地会有人提议，克隆技术将有可能使地球上已经不时地会有人提议，克隆技术将有可能使地球上已经灭绝的动物，如恐龙，复活。灭绝的动物，如恐龙，复活。( (课本课本p15) )i still see her .我偶尔还是会看到她。我偶尔还是会看到她。from time to time from time to time4in good/poor condition状况很好状况很好( (坏坏) )；情况很好；情况很好( (坏坏) )【经典例句经典例句】the do

23、do became extinct fairly recently，so its dna is still .渡渡鸟灭绝时间相当近，所以它的渡渡鸟灭绝时间相当近，所以它的dna仍然状况良好。仍然状况良好。( (课本课本p13) )the car has been well maintained and .这辆车保养得好，状况很好。这辆车保养得好，状况很好。in good conditionin good conditionbe in condition健康状况好；身体条件适合；保存得好健康状况好；身体条件适合；保存得好be out of condition健康状况不好；保存得不好健康状况不好；

24、保存得不好make it a condition that.以以为条件为条件on condition that条件是条件是he felt in good condition when he was interviewed.面试面试时，他感觉状态良好。时，他感觉状态良好。they agreed to lend us the car on condition that we returned it before the weekend.他们同意借车给我们，条他们同意借车给我们，条件是周末以前归还。件是周末以前归还。【即时应用即时应用】dr collins couldnt head the wild

25、life research in the tropical forest any longer because his health was in poor_.astate bsituationccondition dposition经典句式经典句式the advantage is that.其优点是其优点是。the advantage is that we have a good command of english.其优点是我们很好的掌握了英语。其优点是我们很好的掌握了英语。类似的结构还有：类似的结构还有：the problem is that.问题是问题是the drawback is that.缺点是缺点是the chance is that.有可能有可能t