2012屆高考英語選修8 Unit 2頂尖復習教案

編輯: 逍遙路 關鍵詞: 高三 來源: 高中學習網(wǎng)
Unit 2 Cloning 克隆
核心詞匯
1.The chemicals that are harmful to the environment are ____________(禁止)here.
2.Christmas____________(裝飾品)now have started to sell well in our shop.
3.She fell heavily,____________(撞)her head against the side of the boat.
4.She ____________(喜愛,愛慕)her grandchildren and is always buying them presents.
5.Before rules and____________(規(guī)則)were introduced,the sport was very dangerous.
6.It’s not ____________(僅)a matter of cost,but whether she’s old enough to go on holiday alone.
7.I am sure she has the ability to____________(承擔)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 的適當形式填空
(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的適當形式填空
(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
高頻短語
1.________________ 得到好結果;取得成功;償清
2.________________ 沮喪;不愉快
3.________________ 反對
4.________________ 贊成;支持
5.________________ 把……歸功于……
6.________________ 一定或注定(做)……
7.________________ 使……刻骨銘心
8.________________ 不時;偶爾
9.________________ 使復生;使復活
10.________________ 白費力氣;枉費心機
11.________________ 狀況很好/壞;情況很好/壞
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
重點句式
1.But at last the determination and patience of the scientists ____________in 1996 with a breakthrough—the cloning of Dolly the sheep.
但是決心和耐心使科學家們最終于1996年收獲了突破性的結果——克隆羊“多莉”。
2.____________the disturbing news ____________Dolly had become seriously ill.
接著傳來了多莉病重的壞消息。
3.Is it ____________cloning or ____________it?
它是贊成克隆行為還是反對克隆行為?
4.Scientists believe human cloning is just____________but____________human clones have already been born hasn’t been proved yet.
科學家們相信人類的克隆只不過是時間問題,但是克隆人已經(jīng)問世的說法還沒有被證實。
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.
其優(yōu)點是如果發(fā)生了某種新的疾病,這類動物中的一些可能會死掉,但是另外一些卻能存活下來,并且把這種免疫力傳給下一代。
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
知識詳解
1 .object vi. 反對;不贊成 
    n.物體;目標
(回歸課本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,多莉的出現(xiàn)引起了一陣強烈的反對,對媒體和公眾的想象力也產(chǎn)生了極大的影響。
[歸納拓展]
[例句探源]
①(牛津P1372)If nobody objects,we’ll postpone the meeting till next week.
如果沒有人反對,我們就把會議推遲到下周。
②(牛津P1372)I really object to being charged for parking.
我非常反對收停車費。
③(牛津P1372)If you’re late,you’ll defeat the whole object of the exercise.
如果你遲到了,便不能達到整個活動的目的。
④I objected that he was too young for the position.
我提出反對意見他太年輕不適合這個職位。
⑤(牛津P1372)The main objection to the plan was that it would cost too much.
反對這個計劃的主要理由是費用過高。
[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:選A?疾榇~it的用法。本題關鍵是并列連詞but。粗心的學生可能會誤選which,認為此處為一個定語從句。object to反對;抗議。句意:我不介意她批評我,但我反對的是她批評我的方式。
2 .undertake (undertook;undertaken) vt. 著手;
從事;承擔
(回歸課本P11)It is a difficult task to undertake.
這是一項很難完成的任務。
[歸納拓展]
①(朗文P2241)Two new studies have been undertaken to determine the effects of the chemicals.
已經(jīng)進行了兩項新研究以確定這些化學制品的作用。
②(牛津P2197)University professors both teach and undertake research.
大學教授既要又要從事研究工作。
③He undertook to finish the job by Friday.
他答應在星期五以前完成那項工作。
④I can undertake that you will enjoy the trip.
我保證你會喜歡這次旅行。
[例句探源]
[即境活用]
2.Who do you think is the right person________ ________ ________ ________(承擔這項任務)?
答案:to undertake the task
3 .forbid (forbade/forbad,forbidden) vt.  禁止,
不準
(回歸課本P12)Some began to reform their legal systems and forbade research into human cloning...
有些政府開始改革他們的法律制度,禁止進行克隆人的研究……
[歸納拓展]
[例句探源]
①(牛津P794)You are all forbidden to leave.
你們都不準離開。
②(牛津P794)He forbade them from mentioning the subject again.他不準他們再提這個問題。
③I will forbid you to leave unless you apologize for what you have done.
如果你不為自己所做的事情道歉,我不允許你離開。
④He forbids smoking during office hours.
他禁止在辦公時間抽煙。
[即境活用]
3.完成句子
(1)當火車行駛時,禁止我們往窗外看。
We ________ ________ ________ ________ ________of the window when the train was moving.
答案:were forbidden to look out
(2)他甚至禁止我去網(wǎng)吧會見我的網(wǎng)友!
He has even ________ ________ ________ ________my friends online at the Internet café!
答案:forbidden me from meeting
4 .owe  vt. 欠(賬、錢、人情等);歸功于……,應感謝
(回歸課本P13)You owe the lady an apology.
你必須向這位女士道歉。
[歸納拓展]
[例句探源]
①(牛津P1427)Thanks for helping me—I owe you a favour.
謝謝你幫助我——我欠你一個人情。
②These early settlers owed their survival to hard work and determination to succeed.
這些早期移民把他們的幸存歸功于艱苦勞動和追求成功的決心。
③If I have improved in any way,I owe it all to my teacher.
如果說我有一些進步,這應該全部歸功于我的老師。
④(2009年高考湖北卷) Owing to her assistance,we succeeded in starting the engine.
多虧她幫忙,我們才成功啟動了引擎。
[即境活用]
4.她把她的成功歸功于幸運,而不是有能力。
She ________ ________ ________ ________ ________ ________rather than to ability.
答案:owes her success to good luck
5 .bother vt. 打擾 
vi. 操心
  n. 煩擾;令人煩惱的事或人
(回歸課本P14)However,the problem that she later developed a serious lung disease bothered scientists.
然而,之后她患上了嚴重的肺病的問題使科學家們困擾。
[歸納拓展]
[例句探源]
①He didn’t even bother to let me know he was coming.
他甚至連通知都沒通知我他要來。
②(牛津P221)I don’t want to bother her with my problems at the moment.
我此刻不想讓她為我的事操心。
③(牛津P221)Sorry to bother you,but there is a call for you.
很抱歉打擾你一下,有你的電話。
[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.a(chǎn)ffect D.a(chǎn)ward
解析:選A。句中I’m sorry to bother you 相當于Excuse me“對不起,打擾一下”,故選A。
6 .pay off 得到好結果;取得成功;償清
(回歸課本P11)But at last the determination and patience of the scientists paid off in 1996 with a breakthrough—the cloning of Dolly the sheep.
但是決心和耐心使科學家們最終于1996年收獲了突破性的結果——克隆羊“多莉”。
[歸納拓展]
[例句探源]
①(朗文P1503)Mr.Li was driving a taxi on the weekends to pay off all his debts.
李先生周末開出租車賺錢以還清他的所有債務。
②Her design won the first prize in the competition.Years of patience and hard work had at last paid off.
她的設計在比賽中獲得一等獎。多年的耐心和艱苦的工作終于得到了好的結果。
③If you don’t work now,you’ll pay for it later when you fail your exams.
你現(xiàn)在不好好學習,到考試不及格時就會為此而付出代價。
④He had to work parttime so as to pay for his education.
他必須做兼職工作來支付學費。
⑤That I can pay back the help people give me makes me happy.
能夠回報人們給我的幫助讓我感到很開心。
[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:選C。答句句意:噢,真的嗎?我很高興她的努力終于得到了好的結果。pay off(指冒風險的政策、做法等)帶來好結果,成功,行得通。又如:The gamble paid off.賭贏了。
7 .in favour of 贊成;支持
(回歸課本P12)Is it in favour of cloning or against it?
它是贊成克隆行為還是反對克隆行為?
[歸納拓展]
[例句探源]
①My sister was against my suggestion while my brother was in favour of it.
我姐姐反對我的提議,然而我弟弟卻贊成。
②Could you do me a favour and turn off the light?
請幫忙把燈關掉好嗎?
[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:選C。句意:我很贊成你的建議那就是我們應該在這工程上花費更多的時間。in favour of 贊成;in honor of 向……表示敬意;為紀念……。第二個空為that 引導的同位語從句。
8.(2011年皖南八校模擬)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:選B。in favour of贊成,支持;in search of尋找;in charge of負責,掌管;in honour of為向……表示敬意。結合語境應選B項。
【教材原句】 Then came the disturbing news that Dolly had become seriously ill.(P12)
接著傳來了令人煩惱的消息——多莉得了重病。
【句法分析】 (1)表示方位、時間或方式的副詞或介詞短語,如here,there,now,then,up,down,in,away,off,out,in the room,on the wall等置于句首時,句子用倒裝語序。
①(2009年高考福建卷)For a moment nothing happened.Then came voices all shouting together.
有一會兒什么也沒發(fā)生。接下來傳來一起歡呼聲。
②Then came the news that the war was over.
接下來傳來戰(zhàn)爭結束的消息。
③Out rushed the children.
孩子們沖了出去。
④There goes the bell.鈴響了。
(2)本句中that引導的從句為同位語從句,that僅起連接作用,無實意。
常見的后接同位語從句的抽象名詞有:fact,news,hope,truth,idea,suggestion,thought,question,order,problem,belief,fear等。
同位語從句常用that引導,也可以由連接代詞who,what,whose,which,連接副詞how,when,where,why或連詞whether來引導。
⑤The news that he has been elected president of the United States is true.
他當選美國總統(tǒng)的消息是真的。
⑥The question whether we should continue to do the experiment has not been answered yet.
我們是否該繼續(xù)實驗的問題還沒有被解決。
⑦I have no idea where the new library will be built.
我不知道新圖書館將要建在哪里。
⑧We must face the fact that we have run out of all the money.
我們必須面對我們已花完了錢這一事實。
[即境活用]
9.(2010年高考陜西卷)John opened the door.There________he had never seen before.
A.a(chǎn) girl did stand     B.a(chǎn) girl stood

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