Unit2CloningLanguagepoints導(dǎo)學(xué)案- 高中英語人教新課標(biāo)選修八

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1、高二英語選修8unit 2CIoning導(dǎo)學(xué)案 Period 3 Language points 一. 學(xué)習(xí)目標(biāo): l. To get the Ss to learn to use the important new words and phrases freely. 2. To get the Ss to experience the procedure of the debate contest. 二. .教學(xué)重點(diǎn) To use some useful words and expressions. 三? Teaching difHcult point: 1. The und

2、erstanding and analyze of some difficult and long sentences in the text. 2. Ask the Ss to talk about cloning. 三?預(yù)習(xí)自測(cè) Discuss the advantages and disadvantages of cloning. Problems or dangers of cloning Advantages of cloning 四.作探究:Language points: 1. This happens in plants when

3、gardeners take ... when twins identical in sex and ... 1) "when gardeners take cuttings from growing plants to make new ones, ...when twins identical in…是兩個(gè)時(shí)間狀語從句。when引導(dǎo)的時(shí)間狀語從句中從句的動(dòng) 作可以與主句的動(dòng)作同時(shí)發(fā)生,也可以先于主句的動(dòng)作。 Don't be afraid of asking for help it is needed. A. unlessB. sinceC. althoughD. when 2

4、) happen vi. occur by chance; take place (偶然地)發(fā)生;出現(xiàn) happen to do ... happen to sb. It happened that... happening n.事件;偶然發(fā)生的事(常用復(fù)數(shù)) 辨析:happen, occur, take place與come about四詞都有“發(fā)生"之意,但有區(qū)別。 happen是一般用語,詞義較廣,強(qiáng)調(diào)事情發(fā)生的偶然性; occur用法較正式,既可以指自然發(fā)生,也可以指有意安排。 take place 一般指有計(jì)劃,按事先安排的進(jìn)行的含義。 come about往往注重事情

5、發(fā)生的原因,常與how連用。 以上四組詞均為不及物動(dòng)詞,無被動(dòng)語態(tài)。 Use the above words to fill in the blanks 1) When did the explosion ? 2) Important elections this fall. 3) The concert will next Sunday. 4) How did the quarrel ? 2. undertake vt. (undertook; undertaken)著手做,從事,進(jìn)行;擔(dān)任,承擔(dān),答應(yīng), The procedure is difficult to under

6、take, of course.當(dāng)然,這個(gè)過程很難實(shí)施。 The scientist undertakes the experiment.科學(xué)家從事這項(xiàng)實(shí)驗(yàn)。 I can undertake the responsibility for the changes 我愿意承擔(dān)這些變革的責(zé)任。 完成下列句子。 1) The lawyer a new case.那個(gè)律師接了一個(gè)新的案子。 2) He will next month (去旅行). 3) He .(承擔(dān)一項(xiàng)新任務(wù)) 3. pay off (事業(yè)、計(jì)劃等)成功;付清薪水并解雇;償還(債務(wù)等)。 At last the de

7、termination and patience of scientists paid off... 最終科學(xué)家們的決心和耐心得到了回報(bào)...??. He paid off the crew of the ship.他付清全體船員的工資并將他們解雇。 In the end he paid off all his debts.最終他還清了 所有的債務(wù)。 pay back報(bào)答;報(bào)復(fù) 用介詞back, off, to,填空: 1) —Your effort is sure to pay . ―Thank you for your encouragement. 2) The superm

8、arket which he had ever paid a visit, was burnt to the ground. 3) How can I pay you for all your kindness? 4) Well, after these years, we've at last paid all our debts. 4. The fact that she seemed to develop normally was very encouraging. 多莉看來是在正常地成長(zhǎng)著,這很令人鼓舞。 “that she seemed to develop normall

9、y"是同位語從句。同位語從句可由 when/ where/ how/ why/that/ whether 等詞引導(dǎo)。先行詞多半是 idea/ fact/ news/hope/ belief/ thought/ doubt/question等。同位語從句一般放在抽象名詞之后,用以說明抽象名 詞的具體內(nèi)容,有時(shí)為了保持句子的平衡,同位語從句還可以放在動(dòng)詞的后面。 如:Soon word came that we won. 5. Then came the disturbing news that Dolly had become seriously ill. 然后傳來了多莉病重的壞消息

10、。 本句中,副詞then放于句首,主語是名詞"news", “that Dolly had become seriously ill”是同位語從句,句子用了倒裝語序。 In the dark forests , some large enough to hold several English towns. A. stand many lakes B. lie many lakes C. many lakes lie D. many lakes stand 6. cast down使沮喪;毀掉(常用于被動(dòng)語態(tài)或j乍表語) Cloning Scientists were cast d

11、own to find that Dolly's illness were more appropriate to a much older animal.克隆科學(xué)家沮喪地發(fā)現(xiàn)多莉的病更容易在年老的羊身上。 不要這么沮喪,打起精神來! Don't be so cast down. Just keep up your spirits. cast away丟棄 castoff 放棄;丟棄 cast out 趕走 將下列句子譯成英語。 1) 聽到這個(gè)消息他很沮喪。 2) 發(fā)現(xiàn)事情的真相使他很沮喪。 7.object vi. We object to being treated

12、like this. 我們抗議這種待遇。 I object to the plan.我反對(duì)這項(xiàng)計(jì)劃。 object vt. I object that he is too young to take that position. 我提出反對(duì)意見:他太年輕不適合那個(gè)職位。 object to (doing ) sth. object + that 從句 objection 是名詞,常與 have, take, feel 等連用 have / take / feel objection to (doing )sth. 即時(shí)練習(xí):句型轉(zhuǎn)換 (1) Have you any obje

13、ction to my opening the window? =Would you my opening the window? (2) take objection to smoking.= I smoking. (3) “But he is too young,” she argued = She that he was too young. 13. attain vt.獲得(尤其指經(jīng)過努力)達(dá)到(年齡,水平,狀況等) He attianed success through hard work. He attained the age of 25 before marriag

14、ing. 比較: obtain vt.(經(jīng)買,借,拿等)獲得,得到某物 He always manages to obtain what he wants. Where can I obtain a copy of her latest books? 8. forbid vt. (forbade; forbidden)禁止,不許,妨礙,阻止 Governments became nervous and many forbade research into human clothing. 政府開始感到不安,有許多政府禁止對(duì)克隆的研究。 Smoking should be forb

15、idden in public places.公共場(chǎng)所應(yīng)禁止吸煙。 Her father forbid her to go out alone.她父親不許她單獨(dú)外出。 I forbid you entering my study.我不許你進(jìn)入我的書房。 forbid sb. to do / forbid sb. from doing sth.禁止某人做某事 forbid sth.禁止某事與forbid結(jié)構(gòu)相同的詞有: permit sb to do / permit doing sth 允許某人做某事/允許做某事;allow sb. to do / allow doing sth

16、允許某人做某事/允許做某事;advise sb. to do / advise doing sth. 建議某人做某事/建議做某事 1) The school (禁止學(xué)生吸煙). 2) He is forbidden to (進(jìn)入這個(gè)房間). 3) There are laws in some countries which forbid advertisements — at inappropriate times and places. A. being shown B. shown C. show D. to have shown 4) At the conference

17、he was forbidden the subject again. A. mentioning B. to mention C. mention D. mentioned 9.1s it in favour of cloning or against it? in favour of是固定短語,意思為:贊同,支持;等同于approve ofo如: As to education, most specialists are in favour of further reform. 關(guān)于教育問題, 多數(shù)專家支持做進(jìn)一步改革。 do a favour for sb. / do sb.

18、 a favour 幫某人一個(gè)忙 與in favour of結(jié)構(gòu)相同的短語有: in praise of 表揚(yáng) in honor of /in memory of 紀(jì)念 in case of 如果,假使 in charge of 掌管 in possession of 擁有 in consequence of 由于,作為 的結(jié)果 用上述短語填空。 1) All his family are his decision to work in western area after graduation. 2) While reading, coming across new wor

19、ds, you'd better guess their meanings rather than refer to the dictionary. 3) Mary told me that she was some lovely jewels. 4) They had to move to another city the typhoon. 五.當(dāng)堂檢測(cè)及總結(jié)提升: 1. In many aspects natural clones, such as identical twins, do not d greatly from man-made ones. 2. He was

20、c down when the procedure he had used to produce a mammal clone ended in failure. 3. Dust will a in a deserted house. 4. Her memory is so excellent that she could remember the e names 5. She was not a pleased at the corrections he made to her work. 6. Grey decided to move to the countryside and his wife made no o to it. 7. According to the constitution, it is compulsory for a citizen to u military service. 8. The media has a m responsibility to report news truthfully. Homework: 1.Complete the Exxl,2,3 on page 13 in the SB. 2 .閱讀同位語從句的定義及用法并做同位語從句的預(yù)習(xí)自測(cè)。

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