人教版高中英語選修8《Unit2Cloning》教案

1、人教版高中英語選修8Unit 2 Cloning教案一、語言知識目標初步理解、掌握課文中關于克隆的詞匯，學習分析課文中的長難句子。二、閱讀技能目標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、學習策略目標掌握速讀、略讀、猜測詞義等閱讀策略。四、情感態(tài)度目標讓學生認識到克隆的利和弊。五、文化意識目標了解克隆，正確地利用克隆技術來為人類服務。教學重難點初步理解、掌握課文中關于克隆的詞匯，學習分析課文中的長難句子。教學過程Step 1 Daily reportOne student comes to the front and gives a report about

2、 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: What s the main idea of the passage?Task 2: Match the main idea with each paragraphPara 1: A. People s attitude towards cloning.Para 2

3、: 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 one is easier, t

4、o 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, Dolly s appearance raised a storm of objections and had a great impact on the media and public imagination.(2) . The word

5、 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. Religious leaders

6、 are in favor of human cloning.Step 5 Enjoy beautiful sentences1. Cloning plants is straightforward while cloning animals is ver)f 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 Question and

7、 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 the questions

8、 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 formedical research on animals. . th

9、e 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, Dolly sappearance(raise) a storm of objections and had a great impact the media andpublic ima

10、gination. 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HomeworkWrite a passage entitled My view on cloning.課后習題評測練習主要有兩個。一是quiz環(huán)節(jié)：主要有5個問題：1. Listen to a

11、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)引起了一陣強烈的反對，對媒體和公眾的想象力也產生了極大的 影響。5. What is your attitude towards cloning? Give your reason.二是 test yo

12、urself 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 formedical research on animals. . the process of cloning is difficult (undertake).The first s

13、uccessful clone, Dolly the sheep, made the whole(science) world follow its progress, though it had problems than the normal sheep. On the other hand, Dolly sappearance(raise) a storm of objections and had a great impact the media andpublic imagination. Different people have different opinions on it.

14、 However, scientists still wonder cloning will help or harm us and where it is leading us.從同學們的答題效果來看，學生們回答問題的積極性很高，準確率在98%以上。人教版高中英語選修8Unit 2 Cloning教案【二】核心單詞1. differv.不同湘異;使相異常用結構:A differs from B inA與B在 方而不同A differs with B about/on/over. A 與 B 就 意見相左Their house differs from mine in having no ga

15、rage.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 to對 產生變化;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?shù)慕樵~填空（原創(chuàng)）The two squares differ colour but not size.The husband differs the wife who

16、 is to take charge of the money.It doesn t make a difference me whether you are going to stay.This is a different car the one I drove yesterday.答案：1.in; in with; on/about/overtofrom2. undertakevt.(undertook;imdertaken)著手;從事;承擔;保證,答應常用結構：undertake sth.著手/從事/承擔某事undertake to do sth.保證/答應做某事undertake t

17、hat 保證The scientist undertakes the experiment.這位科學家從事這項實驗。I can undertake the responsibility for the changes.我愿意承擔這些變革的責任。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.他答應星期五之前完成這項工作。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

18、保證按時做完它。I can t undertake that I 11 finish it on time.3. objectionn.不贊成;反對;異議常用結構:have an 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,沒有人反對這項計劃。We object to being treated like thi

19、s.我們反對受到這樣的待遇。Why do some people object 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。高手過招單項填空We to punishing a whole group for one person s fault. （2010 01 江西南昌檢測）Complain

20、 B. object C. oppose D. resist解析：選B。句意為：我們反對因為一個人的錯誤而懲罰整體。object t。doing sth.反對做 某事。4. obtain vt.獲得;贏得易混辨析obtaiiVacquire/gaiii/earn/achieveobtain意為獲得，買到o指通過努力或請求而得到，含有滿足要求或得達到目的的意味, 用于正式語體中。acquire意為經過努力逐步獲得才能、知識、習慣等，也可用于表示對財物等的獲得，強 調一經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

21、而得到報酬或待遇。achieve意為得到;獲得，多指成就、目標、幸福的取得。He failed to obtain a scholarship.他沒有獲得獎學金。I finally managed to obtain a copy of the report.我終于設法弄到了這個報告的副本。We should try to acquire good habits.我們應該努力養(yǎng)成好習慣。He found it easy to earn extra money.他發(fā)現(xiàn)賺點額外收入很容易。But we can only achieve it together.然而，只有共同奮斗才能實現(xiàn)它。高手過招

22、 翻譯句子（原創(chuàng)）Vt.欠（賬、錢、人情等）;應該把歸功于感激，感恩常用結構：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?shù)慕樵~填空（原創(chuàng)）（DHow much do I owe you the groceries?He owes his succes

23、s more luck than ability.I owe a lot my wife and children.答案：遮to7. resistvt.抵抗;對抗常用結構：resist sth.抵制;阻擋某事resist doing sth.反對做某事can t 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

24、n.抵抗，反抗;抵抗力resistant adj.抵抗的;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。重點短語8. pay off得到好結果，取得成功（常用主動語態(tài)）;償清債款;付清工資解雇;（對進行）報復;收買（某人）At last, his hard work paid off.最后，他的努力得

25、到了回報。Did your plan pay off?你的計劃成功了嗎?聯(lián)想拓展pay for付為而付出代價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.向報復高手過招(1)單項填空If you go for a long ride in a friend s can it s the custom to offer to some of the expenses. (2010 01江蘇啟東檢測)A. pay B

26、. pay off C. pay for D. pay back(2)用pay的相關短語填空(原創(chuàng))©After ten years of hard working she finallyher debt.Our efforts are sure to .(3)Have you the milkman this week?©Have you the money the bank yet?I will you next week.答案：(1)解析：選C。根據句意可知，這里表示為償付一部分費用，故選C。pay for為 而付錢;為付出代價。(2)® paid of您p

27、ay off(3)paid(3)paid; topay; back9. in favour of贊成;支持;有利于;主張I am in favour of stopping 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

28、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 sb./sth.； stand on one s side 等。be against sb./sth.表示不支持，不贊同某人/某事。高手過招（1）單項填空I don t 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）用方框內所給短語的適當形式填空（原創(chuàng)）in case of7

29、in consequence of/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 anoth

30、er city 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。You ve done so much work that you re 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.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.受被所束縛be bound for準備到開往;去地方be bound up with與 有密切關系高手過招用括號內所給詞語的適當形式填空（原創(chuàng)）©These problems were almost bound （arise）.When you are dealing with so many pa