高中英語unit2cloning教學(xué)設(shè)計2新人教版選修8-資料下載頁
2024-12-05 06:12本頁面
【導(dǎo)讀】本單元的中心話題是“克隆”?？寺∫鉃闊o性繁殖，克隆技術(shù)即無性繁殖。1997年英國羅斯林研究所實驗成功的克隆羊Dolly，是首次利用體。細(xì)胞克隆成功的，它在生物工程史上揭開了新的一頁。絕、表揚與鼓勵、不關(guān)心的表達(dá)方式。本單元語言功能項目是：接受、拒絕；表揚和鼓勵；漠然。本單元語言結(jié)構(gòu)項目是“復(fù)習(xí)同位語”。本單元還要求學(xué)生學(xué)習(xí)寫作“討論：議論文”。但在實際教學(xué)過程中，建議教師依。到最佳教學(xué)效果。要求學(xué)生以兩人小組形式展開討。論，了解兩種不同的克?。鹤匀坏呐c人工的無性繁殖克隆。Pre-reading課本要求學(xué)生提出有關(guān)克隆的問題，并列入表內(nèi)。學(xué)生對克隆的興趣，為閱讀做好認(rèn)識上和知識上的準(zhǔn)備。人類可以從克隆中得到什么好處？這些問題旨在測試和誘發(fā)學(xué)生的想象力和判斷。力，并引發(fā)更多的思考。教師也可以采用本書的Pre-readingby. 幫助學(xué)生進(jìn)一步認(rèn)識克隆的意義在于解決醫(yī)學(xué)上的難題，的關(guān)注以及對克隆技術(shù)發(fā)展前景的再思考，具有現(xiàn)實意義。
【正文】 病重 , be cast down to do? 很沮喪地做?? , affect other species 影響其他的物種 , cloned mice克隆鼠 , occur to? 浮現(xiàn)在??的腦海里 , a major difficulty for? 一個??的主要困難 , half the length of the life of ? ??的壽命的一半 , despite the problems 盡管有這些問題 , produce a lamb 生產(chǎn)了一只小羊 , in a natural birth自然生產(chǎn)的方式 , on the other hand 另一方面 , raise a storm of objections引起了一陣強(qiáng)烈的反對 , have a great impact on? 對??產(chǎn)生了巨大的影響 , bee controversial引起了爭議 , open everybody’ s eyes to? 使大家明白 , use? to cure serious illnesses利用??來治療重病 , produce human beings 克隆人類 , tell stories of? 報道?? , clone themselves 克隆他們自己 , bee nervous 開始惶恐不安 , forbid research into? 禁止??的研究 , accumulate evidence of? 收集??的證據(jù) 7. Reading and transforming CLONING： WHERE IS IT LEADING US? What is cloning? Cloning is a way of making an exact copy of another animal and plant. What are the two major uses of cloning? Firstly, gardeners use it all the time to produce mercial quantities of plants. Secondly, it is valuable for research on new plant species and medical research on animals. What is the progress of Dolly the sheep? She seemed to develop normally in the beginning. Then Dolly had bee seriously ill. Dolly lived for six years， half the length of the life of the original sheep. What did Dolly’ s appearance raise? Dolly’ s appearance raised a storm of objections and had a great impact on the media and public imagination． How did governments react to the technology of Governments became nervous and many forbade research into human cloning. cloning? 8. Reading the text again to draw a diagram of it and retell the story with your own words Writers structure, or anize, their writing in many different ways. Recognizing the way in which a text has been anized will help you understand its meaning more fully. 9. Closing down by learning more about Dolly To end this class, let’ s get to know more about Dolly. Celebrity Sheep Has Died at Age 6 Dolly, the first mammal to be cloned from adult DNA, was put down by lethal injection Feb. 14, 2021. Prior to her death, Dolly had been suffering from lung cancer and crippling arthritis. Although most Finn Dorset sheep live to be 11 to 12 years of age, postmortem examination of Dolly seemed to indicate that, other than her cancer and arthritis, she appeared to be quite normal. The unnamed sheep from which Dolly was cloned had died several years prior to her creation. Dolly was a mother CLONING： WHERE IS IT LEADING US? a way of making an exact copy of another animal and plant Cloning’s two major uses: using it to produce mercial quantities of plants。 valuable for research on new plant species and medical research on animals Would Dolly’s illnesses be a major difficulty for all cloned animals? Dolly’s appearance raising a storm of objections Scientists still wondering whether cloning will help or harm us and where it is leading us. to six lambs, bred the oldfashioned way.
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