【學(xué)案】選修8unit2 Cloning 學(xué)案

1、 授課教案 老師簽名學(xué)生簽名教學(xué)主題選修8 unit2 Cloning本次作業(yè)課前小練：完形一：I decided to become a comet searcher on a bright clear morning 50 years ago in Montreal. It was a bit of an impromptu (即興的）36 . I had a French test 37 and knew that the examiner, Mr. Hutchison, would ask me about my career plans. I had to come up with

2、something that was both credible and easily 38 into French.About six years earlier I truly had become 39 about the night sky, but to stand up and say, “Astronomie!” was not enough. Mr. Hutchison would want 40 . I recalleda comet that had recently been discovered from Japan-one that 41 became the bri

3、ghtest of the 20th century. Without a further thought, I decided that I was going to be a 42 for comets. Not coincidentally, the English and French words for a comet (une comte) sound very 43, so my new occupation was 44 to talk about in French.And 45 to the answer I gave Mr. Hutchison, I began sear

4、ching for cornels after graduation. Fortunately, working as a science journalist and giving lectures about the night sky have allowed me to 46 my cosmic passion and still pay the bills.Discovering my first cornet 47 almost 19 years. On that particular night, November 13, 1984. As I 48 the telescope

5、again and again, I slowly 49 that a fuzzy (模糊的）object was not staying in the same place but was creeping northward, as only a cornet 50.I telephoned an astronomer at Lowell Observatory Ariz., who 51 my find. I felt as though I could 52 right up to the sky I loved so much. Michael Rudenko discovered

6、the comet the next evening, and 53 the new object became known as Cornel Levy-Rudenko.In the following 50 years, I discovered 22 other new cornels. It is the joy of the search, 54 the discoveries, that 55 me going.36. A. planB. ideaC. decisionD. thought37. A. coming upB. coming upC. coming overD. co

7、ming down38. A. expressed B. putC. writtenD. spoken39.A. particular B. curiousC. passionateD. confident40. A. detailsB. contentsC. descriptionsD. contacts41.A. inevitablyB. invariablyC. unexpectedlyD. eventually42. A. reporter B. hunter C. researcherD. observer43. A. differentB. sameC. alikeD. pleas

8、ant44. A. hardB. mild C. casualD. easy45. A. trueB. closeC. open D. contrary46. A. arouseB. shareC. awakenD. pursue47. A. tookB. spentC. cost D. used48. A. looked intoB. looked thoughC. saw thoughD. saw to49. A. consentedB. realizedC. concludedD. recognized50. A. mightB. shouldC. would D. could51. A

9、. acceptedB. confirmedC. approvedD. opposed52. A. climbB. growC. flee D. float53. A. yetB. stillC. thus D. also54. A. more thanB. better thanC. other thanD. rather than55. A. dragsB. keepsC. leaves D. catches知識梳理：選修八 Unit 2 Cloningundertake, object, forbid, owe, bother, resist, pay off, in favour of

10、, be bound to do sth1. undertake (undertook, undertaken) vt. 著手；從事；承擔(dān)undertake a task 承擔(dān)任務(wù)undertake to do sth 同意、答應(yīng)或著手做某事undertake that-clause 保證undertaking n. 任務(wù)；事業(yè)；企業(yè)eg: She undertook the organization of the whole scheme.He undertook to finish the job by Friday.I can undertake that you will enjoy

11、the trip.2. object vi. 不贊成；反對 n. 物體；目標(biāo)object to (sb / sth) 反對（某人 / 某事）object to doing sth 反對做某事objection n. 反對；不贊成have / take / make an objection to (doing) sth 對表示反對raise an objection to sth 對提出異議objective adj. 真實(shí)的；客觀的；無偏見的eg: We object to being treated like this.I objected that he was too young fo

12、r the position.My main objection to the plan is that it costs too much.注：object表示“反對”，為不及物動詞，接賓語后需加介詞to；oppose表示“反對”，為及物動詞，接賓語后不需加介詞to。be opposed to表示“反對；和相反”。3. forbid (forbade, forbidden) vt. 禁止；不準(zhǔn)forbid sb to do sth 禁止某人做某事forbid doing sth 禁止做某事forbid that 禁止 (從句中常用should+動詞原形)forbid sb sth 禁止某人某

13、事forbid sb from doing 禁止某人做Its forbidden to do sth 做某事是禁止的Forbidden City 紫禁城eg: The new law forbids smoking in offices.Their father forbade them to go.I forbid that you (should) enter the room.4. owe v. 欠（賬、錢、人情等）；應(yīng)該向付出；應(yīng)該把歸功于oweto 欠；把歸功于；應(yīng)感激owetofor 因欠owe sb sth (= owe sth to sb) 欠某人某物owing adj. 欠的

14、；未付的 owing to 因?yàn)椋挥捎趀g: He owes his success more to luck than to ability.He owes $50 to his friend.Owing to the rain, the match was cancelled.5. bother vt. 打擾 vi. 操心 n. 煩擾；令人煩惱的事或人bother sb with / about sth 為某事打擾或麻煩某人bother about / with sth 為某事煩惱bother to do / doing 操心做某事It bothers sb that / to do st

15、h 使某人苦惱的是辨析bother / disturb / trouble / annoy：這組詞都表示“使人不得安寧”或“心煩意亂”。 bother指干擾別人的正常生活和工作而使之不太安寧，可能是故意的；含有使人討厭的意味。 disturb指使人失去正常秩序而一時得不到安寧，精力不能集中，語氣比bother弱。 trouble常指在心情上失去平靜而感到憂慮、苦惱或行動上帶來不便，也常用于禮貌的請求。 annoy通常指重復(fù)性的行為使（別人）生氣。常用被動，表示為某事煩惱、生氣。eg: I dont want to bother you with my problems.Whats troubl

16、ing youmoney problems?These flies are annoying me.6. resist vt. 抵抗；忍住(多與cannot，couldnt連用)be hard / impossible to resist 難以拒絕resist sb / sth 抵抗 / 抵制某人 / 某物cant / couldnt resist doing sth 禁不住干某事resist doing sth 抵制干某事resistant adj. 抵抗的；有抵抗力的be resistant to 對有抵抗力的 resistance n. 拒絕；反對eg: He is in good he

17、althhe is able to resist diseases.I couldnt resist having a look at her diary.There has been a lot of resistance to this new law.7. pay off 得到好結(jié)果；取得成功；償清pay sth off 全部償還；償清（債務(wù)）pay sb for sth = pay sth to sb for sth 付錢給某人作為的費(fèi)用pay for sth 為某事吃苦頭或受懲罰pay back 還錢；報復(fù)pay a price for 為所得付出代價最后，他的努力得到了回報 At

18、last, his hard work paid off. 你的計(jì)劃成功了嗎？Did your plan pay off? After ten years of hard working she finally paid off her debt.Our efforts are sure to pay off .Have you paid the milkman this week?I will pay you back next week.eg: They took a hell of a risk but it paid off.Can you lend me $10? Ill pay y

19、ou back on Friday.Ill make her pay for ruining my chances!8. in favour of 贊成；支持be in / out of favour (with sb) = be in / out of sbs favour 得到 / 失去某人的尊重、贊同等in sbs favour 對某人有利in favour 贊同的；流行的；得寵的out of favour 失寵的；不流行的 do sb a favour = do a favour for sb 幫某人忙owe sb a favour 欠某人情favour sb with sth 為某人

20、做某事eg: Could you do me a favour and turn off the light?Could you do me the favour to pick up Sam from school today?Shes not in favour with the media just now.9. be bound to do sth 一定做某事；有責(zé)任或義務(wù)做某事be bound up in sth 忙于某事；熱衷于某事物be bound up with sth 與某事物關(guān)系密切be bound for 去；準(zhǔn)備去eg: Youve done so much work

21、that youre bound to pass the exam.I feel bound to tell you that youre drinking too much!We are bound for home.10. Then came the disturbing news that Dolly had become seriously ill.此句中的that引導(dǎo)的從句為同位語從句，that僅其連接作用，無意義。 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

22、, problem, belief, fear等。 同位語從句常用that引導(dǎo)，也可由連接代詞who, what, whose, which，連接副詞 how, when, where, why或連詞 whether來引導(dǎo)。eg: He had no idea when she would come back.The thought that Lao Li would open a restaurant in New York surprised his wife.He got a message from Mr Johnson that the manager could not see h

23、im that afternoon.11. The great drawback to cloning a group of animals is that they would all have the same arrangement of genes and so might die of the same illness.本句中that引導(dǎo)的從句為表語從句，that僅起連接作用，在從句中不充當(dāng)任何成分，表語從句主要有以下兩種類型： be + 從句 be 以外的系動詞(seem / look / appear / sound / taste / feel / remain等) + 從句e

24、g: The problem is how we can find him.It looks as if it is going to rain.It sounds as if you are from Canada.練習(xí)：1. The new laboratories will be constructed this year, and local firms have been asked to the work. A. assign B. manufacture C. provide D. undertake2. I enjoyed school. But I did to having

25、 to go to school every day once weve done all our exams. A. object B. oppose C. turn D. help3. 禁止踐踏草地。 4. 孩子們不允許在河里游泳。 5. 她的快速痊愈也許歸功于丈夫的精心照料。 She probably her husbands devoted care.6. 由于缺乏資金，該項(xiàng)目將中止。 , the project will not continue.7. Im sorry to have you with so many questions on such an occasion. A

26、. asked B. offended C. impressed D. bothered8. Since many insects have already become to DDT, scientists have to look for some new insecticide. A. active B. resistant C. preferred D. tough9. Our troops recaptured the city, but they a heavy price for it. A. raised B. lifted C. paid D. increased10. Ma

27、ny 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 of11. He who keeps doing evil is to come to ruin. A. bound B. easy C. likely D. accidental12. He must answer the question （他是否同意）.13. （有消息傳來說）a woman in the capital died of th

28、e H5N1 virus.14. The reason why he didnt come to the party is because he was ill.（改錯）15. I cant understand is there are more and more junk-emails on the Internet. A. What; why B. That; what C. What; because D. Why; that 【補(bǔ)充詞匯】單詞1. differ :vi 不同，相異；意見不合differ from : 與不同differ in : 在方面不同differ with sb

29、 on/about sth :與某人在某事上意見不同be different from :不同于be different in : 在不同make a/no difference （to）: 有/無關(guān)系（影響、作用） 中文與英文在許多方面不同。 Chinese differs from English in many different aspects. The husband differs with his wife on who is to take charge of the money. It makes no difference to me 與我無關(guān) whether you ar

30、e going to stay.3 obtain : v. 獲得;贏得 他沒有獲得獎學(xué)金. He failed to obtain a scholarship. obtain/acquire/gain/earn/achieve/getObtain :“獲得，買到”。指通過努力或請求而得到，含有滿足要求 或得達(dá)到目的的意味，用于正式語體中。Acquire :“經(jīng)過努力逐步獲得才能、知識、習(xí)慣等，也可用于表示 對財物等的獲得”，強(qiáng)調(diào)“一經(jīng)獲得就會長期持有”的含義。Gain :“通過較大努力獲得某種利益或好處；亦可指軍事上的武力奪取等”。Earn:“掙得，贏得”，指因工作等而得到報酬或待遇。Achi

31、eve:“得到；獲得”，多指成就、目標(biāo)、幸福的取得Get :是最普遍,使用范圍最廣的詞,可指以任何方式得到某物,也不一定要經(jīng)過努力. 我終于設(shè)法弄到了這個報告的副本 I finally managed to obtain a copy of the report.我們應(yīng)該努力養(yǎng)成好習(xí)慣。 We should try to acquire good habits.他發(fā)現(xiàn)賺點(diǎn)額外收入很容易。 He found it easy to earn extra money然而，只有共同奮斗才能實(shí)現(xiàn)目標(biāo) But we can only achieve our goals together上星期天你收到我的電

32、報了嗎 ? Did you get my telegram last Sunday ?4. altogether : adv 完全地 (用于否定句中表部分否定) 他對自己的新房子不盡滿意。 He was not altogether pleased with is new house . 全部，合計(jì) (in total) I spent 100 altogether on the present.總之 Altogether，the meeting was a success.5 strike : v 打，擊；突然想到；罷工；(鐘)敲/鳴；劃(火柴)； (災(zāi)難，疾病)侵襲，爆發(fā)； It stri

33、kes sb 某人突然想到(sth strikes sb) Be/go on strike :罷工 Strike into ones heart :使刻骨銘心當(dāng)我路過的時候，鐘敲12點(diǎn)。 When I was passing by, I heard the clock striking 12.我突然想起我沒關(guān)煤氣。 It struck me that I did not turn off the gas.趁熱打鐵。 Strike while the iron is hot.非典襲擊了那個地區(qū)。 SARS struck the area. 詞組 1 cast down :使沮喪；使不愉快 Cas

34、t out：驅(qū)逐；趕走 Cast off ：拋棄；擺脫掉He was cast down for several days after he heard the bad news. You really must cast off all these bad habits.2 in vain 白費(fèi)力氣，枉費(fèi)心機(jī)我們的所有努力都付諸東流了。All our efforts were in vain.3 in good/poor condition 情況/狀況很好/很壞此船的現(xiàn)狀不適宜遠(yuǎn)航The ship is in poor condition to make a long voyage.In c

35、ondition 健康狀況良好Out of condition 健康狀況不佳Incondition 處于狀況On condition that 在條件下，如果On this/that condition 在這個/那個條件下On/under no condition 無論如何都不，決不they agreed to lend us the car on condition that (條件是)we returned it before the weekend .(condition) 我們絕不在公共場所抽煙On no condition shall we smoke in public place

36、s.4 have a(n)impact on 對有影響本拉登的死對美國有影響。The death of Bin Landen has an impact on America.影響表示法：Affect sb/sth :影響Have/exert a(n)influence on 對有影響Have a(n)effecton 對有影響Have/make a(n)impact on 對有影響5 open sbs eyes to sth 使某人看清或意識到某事；使某人長見識或開眼界 旅游真的使人開闊眼界 Travelling really opens your eyes. 句子1 cloning pla

37、nts is straightforward while cloning animals is very complicated.克隆植物簡單，但克隆動物非常復(fù)雜。While在句中作并列連詞，作“然而”解，連接并列分句，表示前后意義上的對比。注意，此時while放在第一分句或第二分句前均可。While作連詞的用法作并列連詞，意為“而，卻”，表對比作從屬連詞，引導(dǎo)時間狀語從句，從句謂語是延續(xù)性動詞作從屬連詞，引導(dǎo)讓步狀語從句，表示“盡管”eg i admit his good points，i can see his bad ones.A Because B If C Once D While

38、some people come here for a short break, others have decided to stay forever.A Because B If C Once D While Mary made coffee her guests were finishing their meal.A so what B although C while D as if2 Altogether Dolly lived six and half years, half the length of the life of the original sheep.多莉總共活了六年

39、半其原型羊壽命的一半。本句中half the length of 是表達(dá)倍數(shù)比較的具體形式：倍數(shù)+the+名詞(表示量度)+of。This type of car use three times more petrol than that type does.(比那種車子油耗多了3倍)（than）The number of students in our school is than A three times bigger；that B three times larger； that C three times large；those D three times bigger；oneSta

40、ying in a hotel costs renting a room in a dormitory for a week.A twice more than B twice as much as C twice as many are D more than twice as much 3 This is because the cloning of mammal is still a new science and its story only began seriously in 1950s as this list shows:這是因?yàn)榭寺〔溉閯游镞€是一門新的科學(xué)句中and連接兩個并

41、列分句。第一個分句中because引導(dǎo)表語從句，第二個分句中as引導(dǎo)定語從句。() This/That is because 這是因?yàn)?because從句說明原因) This/That is why這就是為什么(why從句說明結(jié)果) He was ill. Thiss why he was sent to the hospital.(這就是為什么他被送到醫(yī)院) He was late again. Thats because he was caught in a heavy traffic jam.(那是因?yàn)樗焕г趪?yán)重額交通阻塞中) 課后作業(yè)：Unit 2 Cloning一、請根據(jù)各句上下文

42、的意義，選擇正確的單詞填入空白處。第一組：clone, arbitrary, moral, merely, resist, decoration, assumption, commercial, differ, straightforward, regulation, disturbing, media1 It is impossible to make _ about how people feel about the new law.2 It is very _ to think that a fierce tiger that escaped from a zoo wandered ab

43、out.3 Dolly, the _ sheep, lived for only six years.4 All the new employees are asked to learn about the rules and _ of the company and they must obey them.5 Never draw an _ conclusion before you think carefully.6 American English _slightly from British English in vocabulary, spelling and pronunciati

44、on.7 The bank strongly _ cutting down interest rates.8 The _ covered Hu Jintaos visit to Hong Kong in honor of the 10th anniversary celebrations since its return to China.9 Huaqiangbei and Dongmen are both the _ heart of Shenzhen City.10 He is _ a boy of five, but he can speak very good English.11 T

45、hat some evil leaders hoped to clone themselves raised some _ questions among the world.12 I like to make friends with those _ people. I hate those who are dishonest.13 Christmas is drawing near. Lets go and buy some _ to make our house and Christmas tree more beautiful.第二組：breakthrough, obtain, arg

46、ument, forbid, reasonable, ceiling, accumulate, undertake, zebra, bother, retire, procedure 14 Xiao Lin likes to spend all his time playing online computer games at a net bar. Now his mother _ him to go to visit any net bar.15 Your application must go through a few _ before it is finally approved.16

47、 We had an _ with the waiter about the bill because we thought he overcharged us.17 He was fortunate to have _ a big fortune by investing wisely in the stock market.18 Professor Wang works very hard, for he both teaches and _ research.19 His explanation was not _, so all of us didnt accept it.20 The

48、 electric fan is hanging from the _ of the room.21 After years of hard work the five doctors achieved a _ in cancer treatment.22 My father is currently 59 years old and will _ from work next year.23 By reading this book I am sure that you will _ a lot of information about Britain.24 Sorry to _ you,

49、but there is a call for you on line two.25 A _ is an African wild animal like a horse with black and white lines on its body. 二、把下列短語填入每個句子的空白處（注意所填短語的形式變化）：-be cast down object to in favour of be bound to (do) from time to time bring back to life pay off- 1 During my stay in Japan my sister visited

50、 me _.2 I _ to know that she failed in the final exam.3 All your efforts will _. Just keep it up!4 All those present at the meeting _ the plan.5 He has made full preparations for the exam. He _ succeed.6 Are there anyone _ human cloning?7 I think some day dinosaurs may be _ through cloning.【課后作業(yè)】專題過

51、關(guān)：C I am peter Hodes ,a volunteer stem courier. Since March 2012, Ive done 89 trips of those , 51 have been abroad, I have 42 hours to carry stem cells（干細(xì)胞）in my little box because Ive got two ice packs and thats how long they last, in all, from the time the stem cells are harvested from a donor(捐獻(xiàn)者

52、) to the time they can be implanted in the patient, weve got 72 hours at most, So I am always conscious of time. I had one trip last year where I was caught by a hurricane in America. I picked up the stem cells in Providence, Rhode Island, and was meant to fly to Washington then back to London. But when I arrived at the check-in desk at Providence, the lady on the desk said:”Well, Im really sorry, Ive got some bad news for you-there are no fights from Washington.”