XX届高考英语选修8 unit 2顶尖复习教案 unit 2 cloning 克隆 核心词汇 1.the chemicals that are harmful to the environment are ____________(禁止)here. 2.christmas____________(装饰品)now have started to sell well in our shop. 3.she fell heavily,____________(撞)her head against the side of the boat. 4.she ____________(喜爱,爱慕)her grandchildren and is always buying them presents. 5.before rules and____________(规则)were introduced,the sport was very dangerous. 6.it’s not ____________(仅)a matter of cost,but whether she’s old enough to go on holiday alone. 7.i am sure she has the ability to____________(承担)all kinds of housework. 8.i thought the price of the car was quite____________(合理的),so i decided to buy it. 9.用object 的适当形式填空 (1)grey decided to move to the countryside and his wife made no ____________ to it. (2)some members of the committee ____________to my proposal,which made me disappointed. 10.用assume的适当形式填空 (1)we are working on the ____________that the conference will take place as planned. (2)____________that his story is true,what should we do? 1.forbidden 2.decorations 3.striking 4.adores 5.regulations 6.merely 7.undertake 8.reasonable 9.(1)objections (2)objected 10.(1)assumption (2)assuming 高频短语 1.________________ 得到好结果;取得成功;偿清 2.________________ 沮丧;不愉快 3.________________ 反对 4.________________ 赞成;支持 5.________________ 把……归功于…… 6.________________ 一定或注定(做)…… 7.________________ 使……刻骨铭心 8.________________ 不时;偶尔 9.________________ 使复生;使复活 10.________________ 白费力气;枉费心机 11.________________ 状况很好/坏;情况很好/坏 1.pay off 2.cast down 3.object to 4.in favour of 5.owe...to... 6.(be)bound to (do)... 7.strike...into one’s heart 8.from time to time 9.bring back to life 10.in vain 11.in good/poor condition 重点句式 1.but at last the determination and patience of the scientists ____________in 1996 with a breakthrough—the cloning of dolly the sheep. 但是决心和耐心使科学家们最终于1996年收获了突破性的结果——克隆羊"多莉"。 2.____________the disturbing news ____________dolly had become seriously ill. 接着传来了多莉病重的坏消息。 3.is it ____________cloning or ____________it? 它是赞成克隆行为还是反对克隆行为? 4.scientists believe human cloning is just____________but____________human clones have already been born hasn’t been proved yet. 科学家们相信人类的克隆只不过是时间问题,但是克隆人已经问世的说法还没有被证实。 5.________________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来,并且把这种免疫力传给下一代。 1.paid off 2.then came;that 3.in favour of;against 4.a matter of time;the assumption that 5.the advantage is that 知识详解 1 .object vi. 反对;不赞成 n.物体;目标 (回归课本p12)on the other hand,dolly’s 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。 [归纳拓展] [例句探源] ①(牛津p1372)if nobody objects,we’ll postpone the meeting till next week. 如果没有人反对,我们就把会议推迟到下周。 ②(牛津p1372)i really object to being charged for parking. 我非常反对收停车费。 ③(牛津p1372)if you’re late,you’ll defeat the whole object of the exercise. 如果你迟到了,便不能达到整个活动的目的。 ④i objected that he was too young for the position. 我提出反对意见他太年轻不适合这个职位。 ⑤(牛津p1372)the main objection to the plan was that it would cost too much. 反对这个计划的主要理由是费用过高。 [即境活用] 1.i don’t mind her criticizing me,but________is how she does it that i object to. a.it b.that c.this d.which 解析:选a。考查代词it的用法。本题关键是并列连词but。粗心的学生可能会误选which,认为此处为一个定语从句。object to反对;抗议。句意:我不介意她批评我,但我反对的是她批评我的方式。 2 .undertake (undertook;undertaken) vt. 着手; 从事;承担 (回归课本p11)it is a difficult task to undertake. 这是一项很难完成的任务。 [归纳拓展] ①(朗文p2241)two new studies have been undertaken to determine the effects of the chemicals. 已经进行了两项新研究以确定这些化学制品的作用。 ②(牛津p2197)university professors both teach and undertake research. 大学教授既要教学又要从事研究工作。 ③he undertook to finish the job by friday. 他答应在星期五以前完成那项工作。 ④i can undertake that you will enjoy the trip. 我保证你会喜欢这次旅行。 [例句探源] [即境活用] 2.who do you think is the right person________ ________ ________ ________(承担这项任务)? 答案:to undertake the task 3 .forbid (forbade/forbad,forbidden) vt. 禁止, 不准 (回归课本p12)some began to reform their legal systems and forbade research into human cloning... 有些政府开始改革他们的法律制度,禁止进行克隆人的研究…… [归纳拓展] [例句探源] ①(牛津p794)you are all forbidden to leave. 你们都不准离开。 ②(牛津p794)he forbade them from mentioning the subject again.他不准他们再提这个问题。 ③i will forbid you to leave unless you apologize for what you have done. 如果你不为自己所做的事情道歉,我不允许你离开。 ④he forbids smoking during office hours. 他禁止在办公时间抽烟。 [即境活用] 3.完成句子 (1)当火车行驶时,禁止我们往窗外看。 we ________ ________ ________ ________ ________of the window when the train was moving. 答案:were forbidden to look out (2)他甚至禁止我去网吧会见我的网友! he has even ________ ________ ________ ________my friends online at the internet café! 答案:forbidden me from meeting 4 .owe vt. 欠(账、钱、人情等);归功于……,应感谢 (回归课本p13)you owe the lady an apology. 你必须向这位女士道歉。 [归纳拓展] [例句探源] ①(牛津p1427)thanks for helping me—i owe you a favour. 谢谢你帮助我——我欠你一个人情。 ②these early settlers owed their survival to hard work and determination to succeed. 这些早期移民把他们的幸存归功于艰苦劳动和追求成功的决心。 ③if i have improved in any way,i owe it all to my teacher. 如果说我有一些进步,这应该全部归功于我的老师。 ④(XX年高考湖北卷) owing to her assistance,we succeeded in starting the engine. 多亏她帮忙,我们才成功启动了引擎。 [即境活用] 4.她把她的成功归功于幸运,而不是有能力。 she ________ ________ ________ ________ ________ ________rather than to ability. 答案:owes her success to good luck 5 .bother vt. 打扰 vi. 操心 n. 烦扰;令人烦恼的事或人 (回归课本p14)however,the problem that she later developed a serious lung disease bothered scientists. 然而,之后她患上了严重的肺病的问题使科学家们困扰。 [归纳拓展] [例句探源] ①he didn’t even bother to let me know he was coming. 他甚至连通知都没通知我他要来。 ②(牛津p221)i don’t want to bother her with my problems at the moment. 我此刻不想让她为我的事操心。 ③(牛津p221)sorry to bother you,but there is a call for you. 很抱歉打扰你一下,有你的电话。 [即境活用] 5.—i’m sorry to________you,but can you tell me the way to the nearest supermarket? —i will do some shopping,too.shall we walk there together? a.bother b.carry c.affect d.award 解析:选a。句中i’m sorry to bother you 相当于excuse me"对不起,打扰一下",故选a。 6 .pay off 得到好结果;取得成功;偿清 (回归课本p11)but at last the determination and patience of the scientists paid off in 1996 with a breakthrough—the cloning of dolly the sheep. 但是决心和耐心使科学家们最终于1996年收获了突破性的结果——克隆羊"多莉"。 [归纳拓展] [例句探源] ①(朗文p1503)mr.li was driving a taxi on the weekends to pay off all his debts. 李先生周末开出租车赚钱以还清他的所有债务。 ②her design won the first prize in the competition.years of patience and hard work had at last paid off. 她的设计在比赛中获得一等奖。多年的耐心和艰苦的工作终于得到了好的结果。 ③if you don’t work now,you’ll pay for it later when you fail your exams. 你现在不好好学习,到考试不及格时就会为此而付出代价。 ④he had to work parttime so as to pay for his education. 他必须做兼职工作来支付学费。 ⑤that i can pay back the help people give me makes me happy. 能够回报人们给我的帮助让我感到很开心。 [即境活用] 6.—li feng won the first prize in the national english competition. —oh,really? i’m glad that her efforts at last________. a.worked out b.got back c.paid off d.turned out 解析:选c。答句句意:噢,真的吗?我很高兴她的努力终于得到了好的结果。pay off(指冒风险的政策、做法等)带来好结果,成功,行得通。又如:the gamble paid off.赌赢了。 7 .in favour of 赞成;支持 (回归课本p12)is it in favour of cloning or against it? 它是赞成克隆行为还是反对克隆行为? [归纳拓展] [例句探源] ①my sister was against my suggestion while my brother was in favour of it. 我姐姐反对我的提议,然而我弟弟却赞成。 ②could you do me a favour and turn off the light? 请帮忙把灯关掉好吗? [即境活用] 7.i am ________your suggestion________we should spend more time on this project. a.in favour of;which b.in honor of;that c.in favour of;that d.in honor of;which 解析:选c。句意:我很赞成你的建议那就是我们应该在这工程上花费更多的时间。in favour of 赞成;in honor of 向……表示敬意;为纪念……。第二个空为that 引导的同位语从句。 8.(XX年皖南八校模拟)many young people left their hometown for big cities________better jobs. a.in favour of b.in search of c.in charge of d.in honour of 解析:选b。in favour of赞成,支持;in search of寻找;in charge of负责,掌管;in honour of为向……表示敬意。结合语境应选b项。 【教材原句】 then came the disturbing news that dolly had become seriously ill.(p12) 接着传来了令人烦恼的消息——多莉得了重病。 【句法分析】 (1)表示方位、时间或方式的副词或介词短语,如here,there,now,then,up,down,in,away,off,out,in the room,on the wall等置于句首时,句子用倒装语序。 ①(XX年高考福建卷)for a moment nothing happened.then came voices all shouting together. 有一会儿什么也没发生。接下来传来一起欢呼声。 ②then came the news that the war was over. 接下来传来战争结束的消息。 ③out rushed the children. 孩子们冲了出去。 ④there goes the bell.铃响了。 (2)本句中that引导的从句为同位语从句,that仅起连接作用,无实意。 常见的后接同位语从句的抽象名词有:fact,news,hope,truth,idea,suggestion,thought,question,order,problem,belief,fear等。 同位语从句常用that引导,也可以由连接代词who,what,whose,which,连接副词how,when,where,why或连词whether来引导。 ⑤the news that he has been elected president of the united states is true. 他当选美国总统的消息是真的。 ⑥the question whether we should continue to do the experiment has not been answered yet. 我们是否该继续实验的问题还没有被解决。 ⑦i have no idea where the new library will be built. 我不知道新图书馆将要建在哪里。 ⑧we must face the fact that we have run out of all the money. 我们必须面对我们已花完了钱这一事实。 [即境活用] 9.(XX年高考陕西卷)john opened the door.there________he had never seen before. a.a girl did stand b.a girl stood c.did a girl stand d.stood a girl 解析:选d。考查完全倒装。副词there,here等位于句首,应用完全倒装句式。句意:约翰打开门,他从来没见过的一位女孩站在那儿。