人教版高中英語選修8《Unit 2 Cloning》教案

1、人教版高中英語選修8Unit 2 Cloning教案【一】教學(xué)準(zhǔn)備教學(xué)目標(biāo)一、 語言知識目標(biāo)初步理解、掌握課文中關(guān)于克隆的詞匯，學(xué)習(xí)分析課文中的長難句子。二、 閱讀技能目標(biāo)1. 能獲取和處理文章中的主要信息。2. 能夠掌握文中出現(xiàn)的重要的語言知識三、 學(xué)習(xí)策略目標(biāo)掌握速讀、略讀、猜測詞義等閱讀策略。四、 情感態(tài)度目標(biāo)讓學(xué)生認(rèn)識到克隆的利和弊。五、 文化意識目標(biāo)了解克隆，正確地利用克隆技術(shù)來為人類服務(wù)。教學(xué)重難點(diǎn)初步理解、掌握課文中關(guān)于克隆的詞匯，學(xué)習(xí)分析課文中的長難句子。教學(xué)過程Step 1 Daily reportOne student comes to the front and give

2、s a report about advantages and disadvantages of science and technology.Step 2 leading-inThe teacher shows some pictures and starts a discussion about cloning.Step 3 SkimmingTask 1: Whats the main idea of the passage?Task 2: Match the main idea with each paragraphPara 1: A. Peoples attitude towards

3、cloning.Para 2: B. The problems of Dolly.Para 3: C. The impact of Dolly.Para 4: D. Two major uses and the procedure of cloning.Para 5: E. The definition(定義)of cloning.Step 4 ScanningTask 1. Look through Para 2 and answer the following questions.(1) What are the two major uses of cloning?(2) Which on

4、e is easier, to make plant clones or animal clones?Task 2. Look through Para 3 and fill in the chart.Task 3. Do the following translation and word guessing.(1). Translation:On the other hand, Dollys appearance raised a storm of objections and had a great impact on the media and public imagination.(2

5、). The word “controversial” in paragraph 4 probably means_.A. complicated B. arguableC. important D. valuableTask4. Do the following Tor F questions based on Paragraph 5.1. People feared some evil leaders might use cloning to reach their goal.2. All the research into cloning will be forbidden.3. Rel

6、igious leaders are in favor of human cloning.Step 5 Enjoy beautiful sentences1. Cloning plants is straightforward while cloning animals is very complicated.2. At last the determination and patience of the scientists paid off.3. The fact that she seemed to develop normally was very encouraging.Step 6

7、 Question and answerThis part is for students to find if they still have questions. If there is any, they can ask their classmates to help them.Step 7 QuizNote: This part is very challenging. In the picture there are five numbers. Students can choose their lucky number and answer questions. Most of

8、the questions are based on what they have learned in class.Step 8. Test yourselfFill in the blank with proper words.Cloning is a way of _ (make) an exact copy of another animal or plant. It has two major uses. One is _ gardeners use it to produce plants. The _ is that it is valuable for medical rese

9、arch on animals. _, the process of cloning is difficult _ (undertake).The first successful clone, Dolly the sheep, made the whole _ (science) world follow its progress, though it had _ problems than the normal sheep. On the other hand, Dollys appearance _ (raise) a storm of objections and had a grea

10、t impact _ the media and public imagination. Different people have different opinions on it. However, scientists still wonder _ cloning will help or harm us and where it is leading us.Step 9 DebateTopic: Are you for or against cloning?課后小結(jié)HomeworkWrite a passage entitled My view on cloning.課后習(xí)題評測練習(xí)主

11、要有兩個。一是quiz 環(huán)節(jié)：主要有5個問題：1. Listen to a part of an English song and try to learn from it.2. Please use “pay off” to make a sentence.3.Give us some detailed information about Dolly.4. Translate the following sentence into English.另一方面，多利羊的出現(xiàn)引起了一陣強(qiáng)烈的反對，對媒體和公眾的想象力也產(chǎn)生了極大的影響。5. What is your attitude toward

12、s cloning? Give your reason.二是test yourself 環(huán)節(jié)：Fill in the blank with proper words.Cloning is a way of _ (make) an exact copy of another animal or plant. It has two major uses. One is _ gardeners use it to produce plants. The _ is that it is valuable for medical research on animals. _, the process o

13、f cloning is difficult _ (undertake).The first successful clone, Dolly the sheep, made the whole _ (science) world follow its progress, though it had _ problems than the normal sheep. On the other hand, Dollys appearance _ (raise) a storm of objections and had a great impact _ the media and public i

14、magination. Different people have different opinions on it. However, scientists still wonder _ cloning will help or harm us and where it is leading us.從同學(xué)們的答題效果來看，學(xué)生們回答問題的積極性很高，準(zhǔn)確率在98%以上。人教版高中英語選修8Unit 2 Cloning教案【二】核心單詞1. differv. 不同;相異;使¡­¡­相異常用結(jié)構(gòu)：A differs from B in .A與B在¡

15、;­¡­方面不同A differs with B about/on/over. A與B就¡­¡­意見相左Their house differs from mine in having no garage.他們的房子與我的不同，區(qū)別在于他們的沒有車庫。The two sides still differ with each other over the question of pay.雙方在報酬的問題上仍各持己見。聯(lián)想拓展difference n. 不同之處different adj. 不同的make a difference

16、 to 對¡­¡­產(chǎn)生變化;對什么有影響different from 與¡­¡­不同，不同于高手過招高手過招用適當(dāng)?shù)慕樵~填空 (原創(chuàng))The two squares differ colour but not size.The husband differs the wife who is to take charge of the money.It doesnt make a difference me whether you are going to stay.This is a different car t

17、he one I drove yesterday.答案：1. in; in with; on/about/overto from2. undertakevt.(undertook;undertaken)著手;從事;承擔(dān);保證，答應(yīng)常用結(jié)構(gòu)：undertake sth. 著手/從事/承擔(dān)某事undertake to do sth. 保證/答應(yīng)做某事undertake that .保證¡­¡­The scientist undertakes the experiment.這位科學(xué)家從事這項(xiàng)實(shí)驗(yàn)。I can undertake the responsibili

18、ty for the changes.我愿意承擔(dān)這些變革的責(zé)任。The lawyer undertook a new case.那個律師接了一個新的案子。He undertook to finish the job by Friday.他答應(yīng)星期五之前完成這項(xiàng)工作。高手過招翻譯句子 (原創(chuàng))他下個月要去西部旅行。He will undertake a journey to the west next month.我不能保證按時做完它。I cant undertake that Ill finish it on time.3. objectionn. 不贊成;反對;異議常用結(jié)構(gòu)：have an

19、objection to . 反對¡­¡­raise/voice an objection 提出異議聯(lián)想拓展object v. 反對，不贊成n. 物體;目標(biāo)object to sb./sth. 不贊成某人/某事object to doing sth. 反對做某事object that . 反對¡­¡­No one objected to the plan.沒有人反對這項(xiàng)計劃。We object to being treated like this.我們反對受到這樣的待遇。Why do some people obj

20、ect to human cloning?為什么一些人反對克隆人類呢?Mother objected that Jimmy was too weak to take up the job.母親反對說，吉米身體太虛弱，不能承擔(dān)那份工作。The building is the main object of his interest.他最感興趣的是這棟建筑物。高手過招單項(xiàng)填空We to punishing a whole group for one persons fault. (2010¡¤01¡¤江西南昌檢測)Complain B. object C. o

21、ppose D. resist解析：選B。句意為：我們反對因?yàn)橐粋€人的錯誤而懲罰整體。object to doing sth.反對做某事。4. obtainvt. 獲得;贏得易混辨析obtain/acquire/gain/earn/achieveobtain意為“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意為“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意為“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意為“掙得，贏得”，指因工作等而得到報酬或待遇

22、。achieve意為“得到;獲得”，多指成就、目標(biāo)、幸福的取得。He failed to obtain a scholarship.他沒有獲得獎學(xué)金。I finally managed to obtain a copy of the report.我終于設(shè)法弄到了這個報告的副本。We should try to acquire good habits.我們應(yīng)該努力養(yǎng)成好習(xí)慣。He found it easy to earn extra money.他發(fā)現(xiàn)賺點(diǎn)額外收入很容易。But we can only achieve it together.然而，只有共同奮斗才能實(shí)現(xiàn)它。高手過招翻譯句子 (

23、原創(chuàng))The journalist immediately set out to obtain these important facts.那位新聞記者立即著手獲取這些重要的事實(shí)。Knowledge can be obtained through study.知識可通過學(xué)習(xí)獲得。5. forbidvt. (forbade/forbad; forbidden) 禁止;不準(zhǔn);阻止;妨礙常用結(jié)構(gòu)：forbid sth./doing sth. 禁止，不許(做某事)forbid sb. to do sth. 禁止某人做某事The law forbids the use of chemical ferti

24、lizers.法律禁止使用化學(xué)肥料。I forbid you to tell anyone.我不準(zhǔn)你告訴任何人。高手過招翻譯句子 (原創(chuàng))飛機(jī)上禁止吸煙。Smoking is forbidden on the plane.他爸爸不準(zhǔn)他和她交談。His father forbade him to talk to her.要禁止小孩不玩電腦游戲很難。It is hard to forbid children to play computer games.6. owevt. 欠(賬、錢、人情等);應(yīng)該把¡­¡­歸功于¡­¡

25、3;感激，感恩常用結(jié)構(gòu)：owe sb. sth. = owe sth. to sb. 欠(某人)債owe sth. to sb./sth.將某事物歸因或歸功于某人/事He owes his father 50. = He owes 50 to his father.他欠他父親50英鎊。We owe this discovery to Newton.我們把這一發(fā)現(xiàn)歸功于牛頓。高手過招用適當(dāng)?shù)慕樵~填空 (原創(chuàng))How much do I owe you the groceries?He owes his success more luck than ability.I owe a lot my w

26、ife and children.答案：forto; to to7. resistvt.抵抗;對抗常用結(jié)構(gòu)：resist sth. 抵制;阻擋某事resist doing sth. 反對做某事cant resist doing sth. 忍不住做某事The nation was unable to resist the invasion.該國無力抵抗侵略。A healthy body resists disease.健康的身體能抵御疾病。I could hardly resist laughing.我忍不住笑了。resistance n. 抵抗，反抗;抵抗力resistant adj. 抵抗的

27、;有抵抗力的be resistant to sb./sth.對某人/某事有抵抗力resister n. 抵制者;抗拒者;電阻器高手過招翻譯句子 (原創(chuàng))He resisted being carried off.他阻擋別人把他帶走。She can not resist the temptation of chocolate.她無法抗拒巧克力的誘惑 。重點(diǎn)短語8. pay off得到好結(jié)果，取得成功(常用主動語態(tài));償清債款;付清工資解雇;(對¡­¡­進(jìn)行)報復(fù);收買(某人)At last, his hard work paid off.最后，他的努力得到

28、了回報。Did your plan pay off? 你的計劃成功了嗎?聯(lián)想拓展pay for付¡­¡­的錢;為¡­¡­而付出代價pay back sth./pay sb. back sth. 償還某物/償還某人某物pay sb. .for sth. 因某事而付給某人¡­¡­pay sb. .to do sth. 付給某人¡­¡­去做某事pay sb. back for sth. 向¡­¡­報復(fù)高

29、手過招(1)單項(xiàng)填空If you go for a long ride in a friends car, its the custom to offer to some of the expenses. (2010¡¤01¡¤江蘇啟東檢測)A. pay B. pay off C. pay for D. pay back(2)用pay的相關(guān)短語填空(原創(chuàng))After ten years of hard working she finallyher debt.Our efforts are sure to .Have you the milkman thi

30、s week?Have you the money the bank yet?I will you next week.答案：(1)解析：選C。根據(jù)句意可知，這里表示¡°為¡­¡­償付一部分費(fèi)用¡±，故選C。pay for 為¡­¡­而付錢;為¡­¡­付出代價。(2) paid offpay offpaidpaid; topay; back9. in favour of贊成;支持;有利于;主張I am in favour of stop

31、ping work now. 我贊成現(xiàn)在停止工作。in sb.s favour 對某人有利do sb. a favour /do a favour for sb. 幫某人忙do sb. the favour to do sth./do sb. a favour by doing sth.幫助某人做某事favour vt. 贊同;支持The child favours his father with his brown eyes.這個孩子棕色的眼睛像他的父親。溫馨提示表示¡°支持，贊同某人/某事¡±除了用in favour of之外;還可以用：be for

32、 sb./sth.; stand on ones side等。be against sb./sth.表示¡°不支持，不贊同某人/某事¡±。高手過招(1)單項(xiàng)填空I dont like to ask people for help as a rule but I wonder if you could me a favour. (2010¡¤01¡¤江蘇啟東檢測)A. make B. do C. find D. get(2)用方框內(nèi)所給短語的適當(dāng)形式填空 (原創(chuàng))in case of/in consequence o

33、f/in favour of/in possession ofAll his family are his decision to work in western area after graduation.While reading, coming across new words, you¡¯d better guess their meanings rather than refer to the dictionary.Mary told me that she was some lovely jewels.They had to move to another ci

34、ty the typhoon.答案：(1)解析：選B。句意為：通常我不喜歡向別人尋求幫助，但我希望你能幫我的忙。do sb. a favour 幫某人忙。(2)in favour of in case of10. (be) bound to do .一定或注定(做)¡­¡­The weather is bound to get better tomorrow.明天天氣一定會變好的。Youve done so much work that youre bound to pass the exam.你下了這么大功夫, 一定能通過考試。聯(lián)想拓展bound v.

35、 跳躍;限制;形成¡­¡­的界限n. 跳躍;界限;范圍adj.必然的,一定的be bound to sth. 受¡­¡­限制;被¡­¡­所束縛be bound for 準(zhǔn)備到¡­¡­去;開往;去¡­¡­地方be bound up with 與¡­¡­有密切關(guān)系高手過招用括號內(nèi)所給詞語的適當(dāng)形式填空 (原創(chuàng))These problems were almost bound (aris