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 人教版高中英語選修8Unit 2 Cloning教案【一】 教學準備 教學目標 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 r

2、eport One student comes to the front and gives a report about advantages and disadvantages of science and technology. Step 2 leading-in The teacher shows some pictures and starts a discussion about cloning. Step 3 Skimming Task 1: Whats the main idea of the passage? Task 2: Match the main idea with

3、each paragraph Para 1: A. Peoples attitude towards 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 Scanning Task 1. Look through Para 2 and answer the following question

4、s. (1) What are the two major uses of cloning? (2) Which one 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 objection

5、s and had a great impact on the media and public imagination. (2). The word “controversial” in paragraph 4 probably means_. A. complicated B. arguable C. important D. valuable Task4. Do the following Tor F questions based on Paragraph 5. 1. People feared some evil leaders might use cloning to reach

6、their goal. 2. All the research into cloning will be forbidden. 3. Religious leaders are in favor of human cloning. Step 5 Enjoy beautiful sentences 1. Cloning plants is straightforward while cloning animals is very complicated. 2. At last the determination and patience of the scientists paid off. 3

7、. The fact that she seemed to develop normally was very encouraging. Step 6 Question and answer This 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 Quiz Note: This part is very challenging. In the picture there are five

8、numbers. Students can choose their lucky number and answer questions. Most of the questions are based on what they have learned in class. Step 8. Test yourself 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 _

9、gardeners use it to produce plants. The _ is that it is valuable for medical research 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. O

10、n the other hand, Dollys appearance _ (raise) a storm of objections and had a great 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 Debate Topic: Are you for

11、or against cloning? 課后小結 Homework Write 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 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

12、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 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

13、it to produce plants. The _ is that it is valuable for medical research 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 ha

14、nd, Dollys appearance _ (raise) a storm of objections and had a great 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. 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8

15、Unit 2 Cloning教案【二】 核心單詞 1. differ v. 不同;相異;使¡­¡­相異 常用結構： A differs from B in .A與B在¡­¡­方面不同 A differs with B aboutonover. 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 wit

16、h 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¡­¡­產生異化;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

17、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 the one I drove yesterday. 答案：1. in; in with; onaboutover to from 2. undertake vt.(undertook;undertaken)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

18、undertake that .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. 我愿意承擔這些變化的責任。 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 wi

19、ll undertake a journey to the west next month. 我不能保證及時做完它。 I cant undertake that Ill finish it on time. 3. objection n. 不贊成;反對;異議 常用結構： have an objection to . 反對¡­¡­ raisevoice 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 o

20、bject that . 反對¡­¡­ No one objected to the plan.沒有人反對這項計劃。 We object to being treated like this. 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 ob

21、ject 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 persons fault. (2022¡¤01¡¤江西南昌檢測) Complain 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 to doing sth.反對做某事。 4. obtain vt. 獲得;贏得 易混辨析 obtainacquiregainearnachieve obtain意為“獲得，買到

22、”。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

23、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 翻譯句子 (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。 Knowledge can be obtained th

24、rough study. 知識可通過學習獲得。 5. forbid vt. (forbadeforbad; forbidden) 禁止;不準;阻止;妨礙 常用結構： 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 fertilizers. 法律禁止使用化學肥料。 I forbid you to tell anyone. 我不準你告訴任何人。 高手過招 翻譯句子 (原創(chuàng)) 飛機上禁止吸煙。 Smoking is forbidden on the p

25、lane. 他爸爸不準他和她交談。 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. owe 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 fat

26、her 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)) How much do I owe you the groceries? He owes his success more luck than ability. I owe a lot my wife and children. 答案：forto; to to 7. resist vt.抵抗;對抗 常用結構： resist sth. 抵制;阻擋某事 resist doin

27、g 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;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 (

28、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¡­&

29、#161;­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 高手過招 (1)單項填空 If you go for a long ride in a friends car, it

30、s the custom to offer to some of the expenses. (2022¡¤01¡¤江蘇啟東檢測) A. pay B. 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 finally her debt. Our efforts are sure to . Have you the milkman this week? Have you the money the bank yet? I will yo

31、u next week. 答案：(1)解析：選C。根據(jù)句意可知，這里表示¡°為¡­¡­償付一部分費用¡±，故選C。pay for 為¡­¡­而付錢;為¡­¡­付出代價。 (2) paid offpay offpaidpaid; topay; back 9. 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

32、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 sb.sth.; stand on ones side等。 be agai

33、nst sb.sth.表示¡°不支持，不贊同某人某事¡±。 高手過招 (1)單項填空 I dont like to ask people for help as a rule but I wonder if you could me a favour. (2022¡¤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 ofin consequence ofin favour ofin possession of All h

34、is 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 city the typhoon. 答案：(1)解析：選B。句意為：通

35、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 of 10. (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. 跳躍;限制;形成¡­¡­的界限 n. 跳躍;界限;范疇 adj.必然的,一定的 be bound to sth. 受¡­¡­限制;被¡­¡­所禁錮 be bound for 準備到¡­¡­去;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