Unit2 Cloning導學案 學習目標：1. 了解什么是克隆、克隆的利弊及對克隆技術的反思。 2. 掌握本單元教學目的和要求中的詞匯和短語的用法。 3. 熟練掌握同位語的用法。 4. 進一步熟悉和運用有關接受與拒絕, 表揚與鼓勵的表達方式。 課前預習 I. Read the first text and choose the best answer. 1. It can be inferred from the passage that a cloned animal _________. A. usually lives as long as the original one B. usually lives longer than the original one C. usually dies earlier than the original one D. is usually as healthy as the original one 2. The cloning of Dolly the sheep succeeded because ________. A. it’s easier to clone a sheep than other animals B. the scientists were determined and worked hard with patience C. the scientists were rewarded and got lots of money D. many other attempts to clone mammals failed 3. Dolly the sheep _________. A. looked exactly like the sheep that provided the egg B. was the exact copy of the sheep that provided the nucleus. C. looked like the sheep that gave birth to it D. had the characteristics of all three sheep 4. We can use the skill of cloning to ________. A. bring about global peace B. create other famous scientists C. improve the development of learning language D. cure some special diseases 5. The main idea of the text is _________. A. animal cloning is very valuable and can benefit the would B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born D. animal cloning raised arguments and scientists are not sure about its future II. Read the passage and answer the following questions. 1. What are the two major uses of cloning? ____________________________________________________________________________________________________________________________________________________________________ 2. Why do China and the UK not forbid cloning? __________________________________________________________________________________ II. Read the passage carefully and find out the following phrases from the passage. 1. 得到好結果; 取得成功; 償清__________________ 2. 一方面, 另一方面_______________________ 3. 病重_________________ 4. 沮喪; 不愉快_________________ 5. 適合于…的；適當?shù)腳________________ 6. 引起了一陣強烈的反對_________________ 7. 對…有（或產生）巨大影響_________________8.（使人）長見識（或開眼界、認清事實）____________ 9. 實現(xiàn)某人的野心_________________ III. Analyze these sentences and try to memorize them. 1. ① _______ _______ ______ ________ _______ ________(接著傳來……消息)Dolly had become seriously ill. ②The fact that she seemed to develop normally was very encouraging. ③The questions that concerned all scientists were: “ Would this be a major difficulty for all cloned animals.” 2. Cloning plants is straightforward _______(然而) cloning animals is very complicated. 3. Cloning scientists_______ _______ ________ ________ _______(沮喪地發(fā)現(xiàn))that Dolly’s illnesses_______ _______ ___________ ________(更適合) a much older animal. 4. Although at present human egg cells and embryos_______ _______ （需要）cloning research_______ _______ ________ ________（很難獲得）, newspapers _______ _______ ______ ________ _______ ________ clone themselves to attain their ambitions.（報紙報道有些邪惡頭目希望克隆自己） Book8 Unit2 Cloning導學案 知識梳理 1.課本原句:Cloning animals is a difficult task ________ ________. undertake vt.(過去式________; 過去分詞________) 著手；從事；承擔 undertake a task 承擔一個任務 undertake responsibility承擔責任 2.課本原句：But at last ________________________________________________________(科學家的決心和耐心最終得到了回報)in 1996 with a breakthrough- the cloning of Dolly the sheep. pay off ①vi.得到好結果，取得成功 ②vt.償清；付清 pay sth. off e.g. pay off my debt付清債務 聯(lián)系:__________________ 為某事付給某人錢 pay sb. to do sth. 花錢雇某人干某事 pay back 償還，歸還 3.課本原句：Cloning scientists _______ _______ ______（沮喪）to find that Dolly’s illnesses were more appropriate to a much older animal. cast vt. (過去式________; 過去分詞________) 扔；投；擲 cast down (_____動詞短語) 沮喪；不愉快 常用結構：be cast down by sth./to do sth.因(做)某事沮喪/不愉快 He was much cast down by his failure to find work.他找不到工作十分泄氣。 4.課本原句：On the other hand, Dolly’s appearance___________________________（引起了一陣強烈的反對） and _________________________（產生了極大的影響）the media and public imagination. (1)raise vt. 本意：舉起；提起 引申意：喚起；引起；使出現(xiàn) raise moral questions提出道德方面的問題 raise a cloud of dust 揚起一片塵土 ②增加，提高raise public awareness of environmental protection 提高公眾的環(huán)保意識 raise sb’s spirits使振奮；使鼓起勇氣 ③籌募 raise/collect money for charity進行慈善募捐 ④飼養(yǎng)，撫養(yǎng) (2) 不贊成；反對；異議n.__________ 聯(lián)系：object vi.反對；不贊成 ①object to sb./sth. 反對某人/某事 ②object to (sb.)doing sth.反對（某人）做某事 object n._____________; _________________;________________ objective n. 目標；目的 adj.客觀的 （聯(lián)系：subjective adj.主觀的） 5.課本原句：Some began to _______________________________（改革司法制度并禁止對---的研究）human cloning, but other countries like China and the UK, continued to _________________________（收集證據(jù)）of the abundant medical aid that cloning could provide. (1)forbid vt. (過去式________/_________; 過去分詞________)禁止；不準 ①+名詞、代詞、動名詞 Smoking is forbidden in the concert hall. ②forbid sb. to do sth. 禁止某人做某事 Most parents forbid their children to smoke. ③+雙賓語 即：forbid sb. sth. 禁止某人某事 His parents forbid him wine= His parents forbid him to drink wine.他的父母不準他喝酒。 ④forbid sb. from doing sth. 禁止/阻止某人做某事（聯(lián)系keep/ stop/ prevent） He forbade them from mentioning this subject again.他不準他們再提到這個問題。 (2) accumulate vt.&vi.積累；聚積 強調“經過一段比較長的時間由少積多的積累”，使用范圍較廣，似乎凡是數(shù)量方面的增長都可以表示。 聯(lián)系：collect ①收集collect data/evidence收集資料/證據(jù) ②（業(yè)余愛好）收藏；收集 collect stamps/postcards 集郵；收藏明信片 ③領??；接走 collect the rubbish 收運垃圾 collect/pick up her son from school到學校接兒子 gather vt.& vi. ①（使）聚集 Mary gathered the children around her.瑪麗把孩子們聚集在她周圍。 ②采集（花等） ③收（莊稼等） 6.課本原句：You owe the lady an apology. （課本13頁原句） owe vt. ①欠（帳、錢、人情等） 結構：owe sb sth./ owe sth to sb欠某人帳、錢、人情等 How much do I owe you for the groceries? 買這些雜貨我得給你多少錢？ You owe it to your staff to be honest with them. 翻譯__________________________________________ ②歸功于…… 結構：owe sth to sb /owe sb sth. He owes his success to hard work.他的成功是靠勤奮工作。 I owe it to the doctor that I am still alive. 我仍然能活著，要歸功于那位醫(yī)生。 7.課本原句：However, the problem that she later developed （漢意__________）a serious lung disease bothered scientists. bother ①vt.打擾 bother sb. (with/about sth.)使某人煩惱/擔憂(某事) ---I’m sorry he was so rude to you. ---對不起，他對你太沒禮貌了。 ---It doesn’t bother me. ---________________________.(漢意) 固定搭配：be bothered (about sb./ sth.) 認為（某人或某事）重要；關心（某人或某事） can’t be bothered to do sth.不想花時間/精力做某事 ②vi.操心 bother with/about sth.花費時間、精力做某事 ③n. 煩擾 8. in favor of 支持，贊成 be for/ against 贊成/ 反對 in sb’s favor ①有利于、有助于某人②得到某人的贊同、尊重等 This concert is loved by lots of my classmates, but it is not in everyone’s__________. A. smell B. taste C. favor D. sound Book8 Unit2 Cloning導學案 第三課時 I. Read the text and do the following exercises. 1. The writer of the text _________. A. is excited by the possibility of cloning fierce and extinct animals. B. believes that extinct animals can be brought back to life by cloning. C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs. D. dreams of dinosaurs returning to the earth. 2. The reasons why a group of cloned animals all die of the same disease do NOT include_______. A. they have the same arrangement of genes. B. there isn’t enough diversity in the group for them to overcome illnesses. C. the illness is a new one. D. their arrangement of genes can not resist that new disease. 3. We can infer from the text that ___________. A. scientists are experimenting to clone dinosaurs. B. dinosaurs will never return to the earth. C. cloned animals will only live in the zoo. D. the DNA of dinosaurs can only survive10,000 years. 4. What is the initial requirement of cloning an extinct animal? __________________________________________________________________________________ 5. Why is it wrong to clone an extinct animal if it would live in a zoo? __________________________________________________________________________________ II. Read the passage and find out the following phrases from the passage on page13-17. 1. 回首(往事); 回顧; 回憶_________________ 2. 一定或注定(做) ……_________________ 3. 使…刻骨銘心_________________ 4. 不時，偶爾_________________ 5. 使復生; 使復活 _________________ 6. 白費力氣; 枉費心機_________________ 7. 戰(zhàn)勝疾病_________________ 8. ①轉交 ②（用后）遞給；傳給_________________ 9. 過---的生活_________________ 10. 狀況很好(壞)；情況很好(壞) _________________ III. Analyze these sentences of the second text and translate them into Chinese. 1. Unfortunately,________ _______ ________ ________ _______(據(jù)我們現(xiàn)在所知) , this is either impossible or unsuitable. 2. Diversity in a group means_______(have) animals _______ _______ _______ _______in different ways.(這群動物的基因要以不同的方式排列) 3. _______ _______ _______ _______ _______ ________ (就我們現(xiàn)在所知), you cannot clone animals that have been extinct longer than 10,000 years. IV. 知識梳理： 1.課本原句：The popularity of films such as Jurassic Park, _____ _____ a scientist clones several kinds of extinct dinosaurs, proves _____ the idea _______ a __________ of fear and excitement into people’s hearts. 類似這樣的電影很受歡迎，證明了這一想法使人們感到既興奮又恐懼。 strike vt.& vi.( (過去式________; 過去分詞________) ①打；撞擊 ②罷工 ③（災難、疾?。┣忠u 那一地區(qū)爆發(fā)了霍亂。_____________________________________________________ ④（鐘）鳴；敲；報時 The clock has just struck three. strike … into one’s heart 使…刻骨銘心 be struck by/on/with sb./sth.被某人/某物打動；迷戀某人/某物 2.課本原句：The advantage is________ ________ there is a new illness some of these animals may die, but others will survive and _______ ________ _______ ________ _______ ________that disease _________the next generation.(把抵抗……的能力傳遞給) (1)resist 抵抗；對抗 resist +n./-ing Although a child, my son can resist being told what to do and what not to do. (2)注意以下句型; The fact/ The result/ The reason is that--- The advantage is that--- 其優(yōu)點是--- The problem is that--- 問題是---- The drawback is that--- 缺點是--- 3. bring… back to life 使復生；使復活 come to one’s life 蘇醒過來 come to life 變的生動/活躍 bring sth to life 使……生動/有趣 4. in good/ poor condition 狀況很好/壞; 情況很好/壞 out of condition/ in no condition 健康狀況不佳 on no condition 無論如何都不，決不 （同義詞組：_____________ ____________ ______________ ______________ ___________________) on condition that…/under the condition that…條件是…… They agreed to lend us the car on condition that we returned it before the weekend. Book8 Unit2 Cloning導學案答案 課前預習 I. CBBDD II. 1. The first use is to produce commercial quantities of plants; The second is to research on new plants species and do medical research on animals. 2. Because they want to accumulate evidence of the abundant medical aid that cloning could provide. III. 1. pay off 2. on the one hand, on the other hand 3. become seriously ill 4. cast down 5. be appropriate to/ for 6. raise a storm of objections 7. have /make a great/ strong impact on 8. open sb’s eyes (to sth.) 9. attain one’s ambitions IV. 1. Then came the disturbing news that 2. while 3. were cast down to find，were more appropriate to 4. needed for，are difficult to obtain，wrote of evil leaders hoping to 第二課時 1. to undertake undertook undertaken 2. the determination and patience of the scientists paid off, pay (sb) money for sth. 3. were cast down cast cast 及物 4. raised a storm of objections had a great impact on (2)objection 物體，物品；目的，目標；賓語 5. reform their legal systems and forbade research into accumulate evidence (1)forbade forbad forbidden 6.與下屬坦誠相待，這是你對他們應有的態(tài)度。 7. 患（?。?；沒關系 8.C 第三課時 I. C C B 4. The initial requirement is that you need perfect DNA which gives information for how cells are to grow. 5. It is not a good idea to clone an animal that would live in a zoo because it is not a suitable habitat to develop and increase its numbers. The zoo is not a natural environment for a wild animal. II. 1. look back (on sth.) 2.（be）bound to (do) 3. strike---into one’s heart 4. from time to time 5. bring back to life 6. in vain 7. overcome illnesses 8. pass sth. on (to sb.) 9. lead/have a ---life 10. in good/bad condition III. 1. with what we know now 2. having，with their genes arranged 3. Based on what we know now IV. 1. in which, how, struck , mixture struck , struck The area was struck by an outbreak of cholera. 2. that if, pass on the ability to resist, to 4. by no means in no way at no time in/under no circumstances in no case