人教版高中英語(yǔ)選修8 Unit 2《Cloning》( Language points)課件

1、 language points課時(shí)是對(duì)課時(shí)是對(duì)reading課時(shí)的課時(shí)的補(bǔ)充。幫助學(xué)生鞏固課文重點(diǎn)詞匯、短語(yǔ)和補(bǔ)充。幫助學(xué)生鞏固課文重點(diǎn)詞匯、短語(yǔ)和句型的用法，進(jìn)一步扎實(shí)基礎(chǔ)知識(shí)。教師可句型的用法，進(jìn)一步扎實(shí)基礎(chǔ)知識(shí)。教師可根據(jù)學(xué)生預(yù)習(xí)情況選擇性講解。根據(jù)學(xué)生預(yù)習(xí)情況選擇性講解。 （詞匯的釋義和用法，建議引導(dǎo)學(xué)生自行（詞匯的釋義和用法，建議引導(dǎo)學(xué)生自行查找字典等相關(guān)資料來(lái)學(xué)習(xí)，以培養(yǎng)其自主查找字典等相關(guān)資料來(lái)學(xué)習(xí)，以培養(yǎng)其自主學(xué)習(xí)能力。）學(xué)習(xí)能力。） 詞匯詞匯講解，建議采用歸納法，先盡可能多講解，建議采用歸納法，先盡可能多的呈現(xiàn)一些相關(guān)例句，或讓學(xué)生從已學(xué)課文的呈現(xiàn)一些相關(guān)例句，或讓學(xué)生從已

2、學(xué)課文中查找相應(yīng)例句，引導(dǎo)學(xué)生試著從所觀察到中查找相應(yīng)例句，引導(dǎo)學(xué)生試著從所觀察到的語(yǔ)言現(xiàn)象中總結(jié)出詞匯的意思和用法。的語(yǔ)言現(xiàn)象中總結(jié)出詞匯的意思和用法。words: undertake, breakthrough, altogether, object, obtain, attain, forbid, accumulate expressions:pay off, cast down, object to, in favour of patterns:then 位于句首，倒裝位于句首，倒裝it is valuable for to learn some useful words, expre

3、ssions and patterns in the passage.objective 1. undertake the scientist undertakes the experiment. 科學(xué)家從事這項(xiàng)實(shí)驗(yàn)。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。我愿意承擔(dān)這些變革的責(zé)任。vt. 著手；從事；承擔(dān)著手；從事；承擔(dān)translate the following sentences. (1) 誰(shuí)將承擔(dān)這項(xiàng)工作的責(zé)任誰(shuí)將承擔(dān)這項(xiàng)工作的責(zé)任?who will undertake r

4、esponsibility for this work? students are required to undertake simple experiments.(2) 要求學(xué)生從事簡(jiǎn)單的實(shí)驗(yàn)。要求學(xué)生從事簡(jiǎn)單的實(shí)驗(yàn)。2. pay offit took them three years to pay off the debt.her design won the first prize in the competition. years of patience and hard work had paid off. 償清償清(債務(wù)債務(wù))；得到好結(jié)果；得到好結(jié)果ling feng won t

5、he first prize in the national english competition and im glad that her efforts at last _.a. worked out b. got backc. paid off d. turned outchoose the best answer.translate the following sentences. (1) with the help of his father, he _ (償清了所有債務(wù)償清了所有債務(wù)). (2) believe me, all your efforts will _ (取得好結(jié)果

6、取得好結(jié)果) some day.(3) 約翰學(xué)習(xí)一直很刻苦，因此取得了好成約翰學(xué)習(xí)一直很刻苦，因此取得了好成 績(jī)。績(jī)。pay off paid off all the debtsjohn studied hard all the time, and it paid off.3. breakthroughscientists are hoping for a breakthrough in the search for a cure for cancer.a major breakthrough in negotiations has been achieved.n. 突破突破they have

7、 achieved a big _ in the treatment of cancer, which brings hope to cancer patients. advantage b. reputation c. breakthrough d. assumptionchoose the best answer.ever since i saw the diary excerpts ive been cast down. 自從看到日記摘錄，我就一直非常沮喪。自從看到日記摘錄，我就一直非常沮喪。4. cast沮喪，不愉快沮喪，不愉快vt. 扔；投；擲扔；投；擲cast a stone 扔石

8、頭扔石頭the angler cast his line (into the water).釣魚(yú)的人把魚(yú)線拋入水中。釣魚(yú)的人把魚(yú)線拋入水中。cast downtranslate the following sentences. dont let yourself be cast down by a small failure in the experiment; try again. he was cast down by the sad news.(2) 這悲傷的消息使他情緒低落。這悲傷的消息使他情緒低落。別為了實(shí)驗(yàn)中的小小失敗而沮喪；別為了實(shí)驗(yàn)中的小小失敗而沮喪；再試下去。再試下去。no

9、one objected to the plan.i really object to being charged for parking. mother objected that jimmy was too young to take up the job.our object is to get at the truth.what are those strange objects?v. 反對(duì)；反對(duì)；n. 目標(biāo)；物體目標(biāo)；物體objectionn. 不贊成；反對(duì)；異不贊成；反對(duì)；異議議my main objection to the plan is that it costs too m

10、uch.5. object拓展拓展object to doing sth. 反對(duì)做某事反對(duì)做某事 object that 以以為理由反對(duì)為理由反對(duì)raise/ have/ make an objection to (doing) sth. 對(duì)對(duì)表示反對(duì)表示反對(duì)i have no objection to your plan. they made an objection to the meeting date. i can hardly stand his rude manners. i object _ like a child.a. to be treated b. being treat

11、edc. to being treated d. to treatchoose the best answer.fill in the blanks. what _ (物體物體) can you see in the picture?(2) some members of our group _ (反對(duì)反對(duì)) my plan, which made me disappointed.(3) they _ (反對(duì)反對(duì)) the plan was risky.objectsobjected toobjected that6. obtainto obtain permissionfirst editi

12、ons of these books are now almost impossible to obtain.in the second experiment they obtained a very clear result.vt. 獲得；贏得獲得；贏得translate the following sentences. 很難獲得可靠的證據(jù)。很難獲得可靠的證據(jù)。you can also obtain knowledge through practice.(2) 你還可以從實(shí)踐經(jīng)驗(yàn)中獲得知識(shí)。你還可以從實(shí)踐經(jīng)驗(yàn)中獲得知識(shí)。it is difficult to obtain reliable e

13、vidence.7. accumulateas people accumulate more wealth, they tend to spend a greater proportion (比例比例) of their incomes.the company said the debt was accumulated during its acquisition of nine individual businesses.weve accumulated so much rubbish over the years.vt. & vi. 積累；聚積積累；聚積clinical (臨床的臨

14、床的) evidence began to _, suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals. (2011湖北湖北) a. operateb. strengthen c. approve d. accumulate choose the best answer.課文難句精析課文難句精析1. cloning plants is straightforward while cloning animals

15、 is very complicated.克隆植物簡(jiǎn)單，但克隆動(dòng)物就非常復(fù)克隆植物簡(jiǎn)單，但克隆動(dòng)物就非常復(fù)雜了。雜了。while作并列連詞用，意思為作并列連詞用，意思為“然而然而”，表示前后意義上的對(duì)比或轉(zhuǎn)折。如：表示前后意義上的對(duì)比或轉(zhuǎn)折。如：some people waste food while others dont have enough. you like sports, while i prefer music. while的其他用法：的其他用法： while 用作從屬連詞，意思為用作從屬連詞，意思為“當(dāng)當(dāng)時(shí)候時(shí)候”，引導(dǎo)時(shí)間狀語(yǔ)從句。如：，引導(dǎo)時(shí)間狀語(yǔ)從句。如：while th

16、e old man was out, a thief entered the house. strike while the iron is hot. while 用作從屬連詞，意思為用作從屬連詞，意思為“雖然；雖然；盡盡管管”，引導(dǎo)讓步狀語(yǔ)從句。如：，引導(dǎo)讓步狀語(yǔ)從句。如：while i like the color of the mobile phone, i dont like its shape. translate the following sentences. 他出去散步了，而我卻呆在家里。他出去散步了，而我卻呆在家里。i like singing while she likes

17、 dancing.(2) 我喜歡唱歌，而她喜歡跳舞。我喜歡唱歌，而她喜歡跳舞。he went out for a walk, while i stayed at home.(3) 雖然我們盡了最大努力，但還是輸了雖然我們盡了最大努力，但還是輸了 比賽。比賽。while we tried our best, we lost the game.2. then came the disturbing news that dolly had become seriously ill. 接著傳來(lái)了多莉病重的壞消息。接著傳來(lái)了多莉病重的壞消息。此句用的是全部倒裝結(jié)構(gòu)，副詞此句用的是全部倒裝結(jié)構(gòu)，副詞the

18、n 位于句首。正常的語(yǔ)序?yàn)槲挥诰涫住Ｕ５恼Z(yǔ)序?yàn)閠he disturbing news that dolly had become seriously ill came then.常見(jiàn)的使用全部倒裝結(jié)構(gòu)的情況：常見(jiàn)的使用全部倒裝結(jié)構(gòu)的情況： 在在there be / lie / stand / live 等結(jié)構(gòu)等結(jié)構(gòu)中。如：中。如：there goes the car. 表示地點(diǎn)、方向、時(shí)間的副詞表示地點(diǎn)、方向、時(shí)間的副詞(如如here, there, in, out, up, down, away, now, then等等) 位于句首，且謂語(yǔ)常用不及物動(dòng)詞位于句首，且謂語(yǔ)常用不及物動(dòng)詞(如如

19、go, come, leave, move, run, rush, jump等等)時(shí)。時(shí)。如：如：down jumped the man from the tree.注意：如果主語(yǔ)是人稱(chēng)代詞，主語(yǔ)和謂語(yǔ)注意：如果主語(yǔ)是人稱(chēng)代詞，主語(yǔ)和謂語(yǔ)的語(yǔ)序不變。如：的語(yǔ)序不變。如：away they went. 表示方位的介詞短語(yǔ)置于句首時(shí)，句子表示方位的介詞短語(yǔ)置于句首時(shí)，句子需全部倒裝。如：需全部倒裝。如：in front of the house sat an old man. outside the entrance stood two police officers with guns.tran

20、slate the following sentences. 這群人一個(gè)一個(gè)地離去。這群人一個(gè)一個(gè)地離去。here comes our teacher.(2) 我們的老師來(lái)了。我們的老師來(lái)了。away went the crowd one by one.(3) 在我們面前有很多困難。在我們面前有很多困難。before us lay a lot of difficulties.tips for teacherlet the word fly 板塊是幫助學(xué)生學(xué)習(xí)一板塊是幫助學(xué)生學(xué)習(xí)一些一詞多義、熟詞生義的詞匯。通過(guò)此些一詞多義、熟詞生義的詞匯。通過(guò)此環(huán)節(jié)，學(xué)生可以對(duì)一些常見(jiàn)詞的用法、環(huán)節(jié)，學(xué)生可以

21、對(duì)一些常見(jiàn)詞的用法、意思有一個(gè)全面的了解。在翻譯過(guò)程中意思有一個(gè)全面的了解。在翻譯過(guò)程中體會(huì)詞匯使用的豐富多彩。體會(huì)詞匯使用的豐富多彩。the cuckoo comes in april, and stays the month of may; sings a song at midsummer, and then goes away. 布谷鳥(niǎo)，四月來(lái)，五月一直在，仲夏布谷鳥(niǎo)，四月來(lái)，五月一直在，仲夏唱支歌，然后就離開(kāi)。唱支歌，然后就離開(kāi)。不及物動(dòng)詞不及物動(dòng)詞 vi. he stayed with a friend while he was in paris. 他在巴黎時(shí)住在一位朋友家里。他在

22、巴黎時(shí)住在一位朋友家里。停留停留; 留下留下; 暫住暫住i hope the weather will stay fine. 我希望天氣能持續(xù)放晴。我希望天氣能持續(xù)放晴。繼續(xù)繼續(xù), 保持保持stay right here.站住站住; 停下停下; 止住止住就在這里停下。就在這里停下。he made few friends during his stay in the village. 及物動(dòng)詞及物動(dòng)詞 vt. the government took no step to stay the rise in prices. 政府未采取措施抑制物價(jià)上漲。政府未采取措施抑制物價(jià)上漲。阻止阻止; 抑制抑制

23、she managed to stay her anger.她努力克制了怒氣。她努力克制了怒氣。平息平息, 暫時(shí)解除暫時(shí)解除名詞名詞 n.他在這個(gè)村子逗留的期間他在這個(gè)村子逗留的期間, 沒(méi)有交上幾個(gè)沒(méi)有交上幾個(gè)朋友。朋友。停留停留, 逗留逗留活學(xué)活用活學(xué)活用從上面給出的例句中我們可以看到從上面給出的例句中我們可以看到stay在在不同的語(yǔ)境中會(huì)產(chǎn)生豐富的含義，不僅不同的語(yǔ)境中會(huì)產(chǎn)生豐富的含義，不僅僅表示僅表示“停留停留”。大家還知道哪些。大家還知道哪些stay含含義呢？請(qǐng)選擇幾個(gè)進(jìn)行造句或?qū)υ捑毩?xí)。義呢？請(qǐng)選擇幾個(gè)進(jìn)行造句或?qū)υ捑毩?xí)。individual activity注注: : 另附另附 w

24、ord word 文檔。文檔。點(diǎn)擊此處鏈接點(diǎn)擊此處鏈接i. complete the following sentences with proper words.1. i saw a little boy c_ a stone into the river just now.2. the issue is not quite _ (簡(jiǎn)單的簡(jiǎn)單的) as it seems.3. do you think anyone would o_ if i smoke here?4. the man always manages to o_ what he wants.aststraightforwardb

25、jectbtain5. tell me the _ (確切的確切的) time when the next train will arrive.6. the man failed to see the _ (商業(yè)的商業(yè)的) value of his discovery.7. the scientist has made a major b_ in this research.8. the manager should u_full responsibility for the project.9. by investing wisely he has already a_ a fortune.

26、exactcommercialreakthroughndertakeccumulatedii. complete the following sentences without changing their meanings. that i didnt pass the driving test made me frustrated. my not passing the driving test made me _ _.2. when i was young, my parents didnt allow me to go out alone at night. when i was you

27、ng, my parents _ me _ going out alone at night.cast down forbade from 3. to my surprise, he didnt agree to my plan. to my surprise, he _ _ my plan. 4. in our class there are five students in all from america. in our class there are _ five students from america.5. why i am not for it can be easily answered. why i am not _ _ _ it can be easily answered.in favour of objected toaltogether the fact that _ _ (多莉看來(lái)是在正常地成長(zhǎng)著多莉看來(lái)是在正常地成長(zhǎng)著) was very encouraging. then came the disturbing news that _ _ (多莉病重多莉病重). 2. _ (科學(xué)家們腦海里產(chǎn)生的問(wèn)題科學(xué)家們腦海里產(chǎn)生的問(wèn)題) were: “wou