人教版高中英語選修8《Unit 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
    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 report
    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: What’s the main idea of the passage?
    Task 2: Match the main idea with each paragraph
    Para 1: A. People’s 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 questions.
    (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, Dolly’s appearance raised a storm of objections 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 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. 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 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 _______ 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. On the other hand, Dolly’s 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 or against cloning?
    課后小結(jié)
    Homework
    Write a passage entitled My view on cloning.
    課后習(xí)題
    評測練習(xí)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 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(chǎn)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 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 hand, Dolly’s 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(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8《Unit 2 Cloning》教案【二】
    核心單詞
    1. differ
    v. 不同;相異;使¡­¡­相異
    常用結(jié)構(gòu)：
    A differs from B in ...A與B在¡­¡­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 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))
    ①The two squares differ colour but not size.
    ②The husband differs the wife who is to take charge of the money.
    ③It doesnt make a difference me whether you are going to stay.
    ④This is a different car the one I drove yesterday.
    答案：1. ①in; in ②with; on/about/over
    ③to ④from
    2. undertake
    vt.(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)家從事這項實驗。
    I can undertake the responsibility 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工作。
    高手過招
    翻譯句子 (原創(chuàng))
    ①他下個月要去西部旅行。
    He will undertake a journey to the west next month.
    ②我不能保證按時做完它。
    I cant undertake that Ill finish it on time.
    3. objection
    n. 不贊成;反對;異議
    常用結(jié)構(gòu)：
    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(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(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
    單項填空
    We to punishing a whole group for one persons fault. (2010¡¤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
    obtain/acquire/gain/earn/achieve
    obtain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。
    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))
    ①The 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。
    ②Knowledge can be obtained through study.
    知識可通過學(xué)習(xí)獲得。
    5. forbid
    vt. (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 fertilizers.
    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))
    ①飛機上禁止吸煙。
    Smoking is forbidden on the plane.
    ②他爸爸不準(zhǔn)他和她交談。
    His father forbade him to talk to her.
    ③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(yīng)該把¡­¡­歸功于¡­¡­;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))
    ①How much do I owe you the groceries?
    ②He owes his success more luck than ability.
    ③I owe a lot my wife and children.
    答案：①for②to; to③ to
    7. resist
    vt.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
    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 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))
    ①He resisted being carried off.
    他阻擋別人把他帶走。
    ②She 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(jié)果，取得成功(常用主動語態(tài));償清債款;付清工資解雇;(對¡­¡­進行)報復(fù);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¡­¡­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)
    高手過招
    (1)單項填空
    If you go for a long ride in a friends car, its 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))
    ①After ten years of hard working she finally
    her debt.
    ②Our efforts are sure to .
    ③Have you the milkman this week?
    ④Have you the money the bank yet?
    ⑤I will you next week.
    答案：(1)解析：選C。根據(jù)句意可知，這里表示¡°為¡­¡­償付一部分費用¡±，故選C。pay for 為¡­¡­而付錢;為¡­¡­付出代價。
    (2)① paid off②pay off③paid④paid; to⑤pay; 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 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(nèi)所給短語的適當(dāng)形式填空 (原創(chuàng))
    in case of/in consequence of/in favour of/in possession of
    ①All his family are his decision to work in western area after graduation.
    ②While reading, coming across new words, you¡¯d better guess their meanings rather than refer to the dictionary.
    ③Mary told me that she was some lovely jewels.
    ④They had to move to another 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)①in favour of ②in 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。
    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¡­¡­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))
    ①These problems were almost bound (arise).
    ②When you are dealing with so many patients, mistakes (bound) happen.
    答案： ① to arise ②are bound to
    11. be in good/poor condition
    狀況很好(壞);情況很好(壞)
    聯(lián)想拓展
    out of condition 狀況欠佳
    working/living/studying conditions工作/生活/學(xué)習(xí)環(huán)境
    on condition (that)... 在¡­¡­條件下;
    倘若¡­¡­
    on no condition 一點也不; 決不
    in excellent condition 處于極佳的狀況
    The ship is not in a condition/is in no condition to make a long voyage. 此船的現(xiàn)狀不適宜遠(yuǎn)航。
    The car is still in excellent condition. 這輛汽車狀況極佳。
    高手過招
    用適當(dāng)?shù)慕樵~填空 (原創(chuàng))
    ①The car has been well maintained and is excellent condition.
    ②He¡¯s excellent condition a man of his age.
    ③I had no exercise for ages; Im really of condition.
    ④You can go out condition that you wear an overcoat.
    答案：① in ②in; for ③out ④on
    重點句型
    12. Then came the disturbing news that Dolly had become seriously ill.
    接著傳來了多莉病重的壞消息。
    當(dāng)時間副詞now, then位于句首，謂語是come, appear等表示¡°出現(xiàn)¡±一類的動詞時，主句用全倒裝語序。
    Now comes your turn. 現(xiàn)在輪到你了。
    高手過招
    單項填空
    In the dark forests , some large enough to hold several English towns. (2010¡¤01¡¤河南鎮(zhèn)平檢測)
    A. stand many lakes B. lie many lakes
    C. many lakes lie D. many lakes stand
    解析：選B?？疾樵~語辨析及倒裝語序。當(dāng)?shù)攸c狀語位于句首時，主句用全部倒裝，表示某物存在于某處，應(yīng)用動詞lie。
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