新課標(biāo)人教版選修八Book8-Unit2-Using-language

1、 Unit 2 cloning using language The Return of the Dinosaurs?Answer the following questions:1.Have you ever seen the film Jurassic Park? Do people like this film? What animals do you see in the film? Are they real dinosaurs? Warming up ( 4ms ) Do you think it is possible to clone dinosaurs? If not,why

2、? If yes, do you think thats good for human beings? Why?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 cloningC. thinks it impossible or unsuitable to clone extinct animals like dinosau

3、rs D. dreams of dinosaurs returning to the earth2. The film Jurassic Park is popular because _. A. people are interested in the subject of cloning B. all the actors are dinosaurs C. it was directed by a scientist who clones dinosaurs D. it proves very interesting細(xì)枝末節(jié)細(xì)枝末節(jié)A3. Which of the following is

4、 true? _A. Mice were cloned in 1981.B. Dolly the sheep was the first cloned animal.C. The name of the cloned cow is “Bison”D. China was successful in cloning mammals.4. The reasons why a group of cloned animals all die of the same illness do NOT include_. A. they have the same arrangement of genes B

5、. there isnt enough diversity in the group for it to overcome illnesses C. the illness is a new one D. their arrangement of genes can not resist that new disease5. We can infer from the text that_ A. scientists are experimenting to clone dinosaursB. dinosaurs will never return to the earthC. cloned

6、animals will only live in the zooD. the DNA of dinosaurs can only survive 10 000 yearAnswer the following questions: 1. Why shouldnt you clone an extinct animal if there isnt enough diversity in the group? 2.Why is it wrong to clone an extinct animal if it would have to live in a zoo? 1. Why shouldn

7、t you clone an extinct animal if there isnt enough diversity in the group? Keys: There will not be enough genetic variation in the group to be able to resist new illnesses. 2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? It is not a good idea to clone an animal that

8、would have to 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.Give some reasons why it is either impossible or unsuitable to clone extinct animalsReason 1:Reason 2:Reason 3:You need All efforts of cloning

9、an animal will be if there is not enough in this group to It would be to clone any extinct animals if they live in a zoo.perfect DNAin vaindiversityovercome illnessesunfairwere to 1. The popularity of the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs, .

10、 長(zhǎng)句分析：本句是一個(gè)復(fù)合句， in which 引導(dǎo) ，修飾 ；how 引導(dǎo) ，作 的賓語(yǔ)。 在侏羅紀(jì)公園這部電影中，有一位科學(xué)家克隆了好幾種不同的絕種恐龍。類(lèi)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有恐懼。 strike fear, etc into somebody/somebodys heart 使某人感到恐懼 The tsunami 這場(chǎng)海嘯使得受災(zāi)國(guó)家的人民膽戰(zhàn)心驚。proves how the idea struck a mixture of fear and excitement into peoples heart.非限制性定語(yǔ)從句非限制性定語(yǔ)從句films賓語(yǔ)從

11、句賓語(yǔ)從句provestruck fear into the people of the tsunami-hit countries 2. people suggest that extinct animals like dinosaurs, can possibly be through cloning. 人們時(shí)常設(shè)想從地球上消失的動(dòng)物,例如恐龍,有可能通過(guò)克隆技術(shù)使它們復(fù)活。 The car manufacturers changed the car models from time to time. 汽車(chē)制造商不時(shí)地改變車(chē)的型號(hào)。 He only comes to the company

12、 from time to time.他只是偶爾到公司來(lái)。 【歸納總結(jié)】 from time to time_ _， 等于_,_。 即時(shí)練習(xí)將下列句子譯成英語(yǔ) （1）他有時(shí)變得很沒(méi)有道理。_. （2）他們有時(shí)吵架。_.From time to timebrought back to life不時(shí)，偶爾不時(shí)，偶爾occasionallynow and thenHe becomes quite unreasonable from time to time. They quarrel from time to time. 3. if there is not enough diversity in

13、the group to overcome illnesses. 如果某個(gè)動(dòng)物群體沒(méi)有足夠的多樣性以戰(zhàn)勝疾病，那么克隆這種動(dòng)物的所有女里都將是無(wú)用的。 in vain 無(wú)效果的，無(wú)用的 The girl tried to open the locked door. 女孩怎么也打不開(kāi)鎖著的門(mén)。為挽救那個(gè)患癌癥的男孩的所有嘗試都無(wú)濟(jì)于事。 4 Diversity in a group means having animals with their genes arranged in different ways. 譯：_. 句式透析 with their genes arranged in dif

14、ferent ways作_, in different ways 意思是_。All efforts of cloning an animal will be in vainin vainAll attempts to rescue the boy with cancer were in vain.群體的多樣性是指這群動(dòng)物的基因要以不同的方式排列群體的多樣性是指這群動(dòng)物的基因要以不同的方式排列作定語(yǔ)作定語(yǔ)以不同的方式以不同的方式 5 . .but others will survive and .其他的將存活下來(lái)并傳遞給其后代抵抗這種病的能力。 【觀察探究】They resisted the a

15、ttack.他們抵抗那次攻擊。 She resisted being carried off.她拒絕被帶走。 The material resists water.這材料是防水的。 She could not resist the temptation.她無(wú)法抗拒那項(xiàng)誘惑。 歸納拓展 resist作及物動(dòng)詞主要有兩個(gè)義項(xiàng)：_；_；（與cannot， could not 連用）即時(shí)練習(xí)將下列句子譯成英語(yǔ) (1)我無(wú)法抵擋巧克力。_. (2)他們決定留下來(lái)抵抗敵人。_.pass on the ability to resist that disease to the next generation

16、 抵抗抵抗對(duì)抗對(duì)抗 I cannot resist chocolate. They decided to stay and resist the enemy. 6 , you can not clone animals that have been extinct longer than 10000 years. 據(jù)我們現(xiàn)在所知, 絕種一萬(wàn)年以上的動(dòng)物不能克隆。 base -on/upon- 以為基礎(chǔ), 依據(jù) 其結(jié)構(gòu)為: base sth. on/upon、 sth. is based on/upon You must your words facts.你說(shuō)話要有事實(shí)根據(jù)。 據(jù)我所知，他只上了

17、三年學(xué)。Based on what we know now,base onBased on what I know, he attended school for no more than three years. 當(dāng)堂訓(xùn)練：當(dāng)堂訓(xùn)練： 1 地震中的恐懼讓這個(gè)小男孩刻骨銘心。 2 我們的努力都付諸東流了，這讓我們每個(gè)人都非常沮喪。（which-） 3 據(jù)報(bào)道，這個(gè)官員抵制不住金錢(qián)的誘惑，因?yàn)槭苜V被判刑。(It is reported that-) 4 據(jù)我所知，這兒的居民都保持著傳統(tǒng)的生活方式，過(guò)著簡(jiǎn)樸的生活。 5 醫(yī)生和護(hù)士使這個(gè)重傷的女孩活過(guò)來(lái)了。 The little boy struck the fear in the earthquake into his heart .All our efforts were in vain, which made us cast down.It is reported