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Unit2 Reading
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Top10 inventions in 20th century:
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NO. 10 atomic bomb
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NO. 9 space shuttle
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NO. 8 television
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NO. 7 artificial satellite
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NO. 6 aspirin
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Airliner NO. 5
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NO. 4 personal computer
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NO. 3 Mobile phone
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NO. 2 internet
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NO. 1 cloning
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How much do you know about cloning? Dolly and its creator
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第一只克隆宠物猫 cloned rabbit 克隆的荧光小猪 ( 左 ) 和 正常小猪 ( 右 ) 克隆马及其 “ 母亲兼姐姐 ”
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Cloning is a way of making an exact copy of another animal or plant. It can be divided into natural clone and man-made clone. A natural clone is one that occurs in nature and a man-made clone is one that is produced through human intervention( 介 入,干预 ).
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natural clones
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man-made clones
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Commercial use : A strawberry plant 一株草莓依靠它沿地 “ 爬走 ” 的匍匐茎, 一年内就能 长出数百株草莓苗
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Is cloning good for the world?
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Careful reading The main idea of each paragraph. 1.Cloning is ____________________________ ____________________________ 2. Cloning has ____________ uses. 3. The _________ of Dolly. 4. The ___________ of clonging in society. 5. The attitudes towards cloning. a way of making an exact copy of another animal and plant. problems two major impact/effect
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It happens both in ________ and in _______. They can be cloned by themselves and humans. plantsanimals Natural cloneMan-made clone Para 1: The definition of cloning
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1. How many major uses do cloning have? Firstly, …commercial… Secondly, …research… 2. How many female sheep participate in the cloning of a new sheep? 3. When was the cloning of Dolly the sheep born? 3 Para 2: The major uses and procedures of cloning 1996
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How is a clone produced?
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About Dolly the sheep Encouraging news: Dolly developed __________. Disturbing news: normally Dolly had become seriously ill; Dolly lived for six and a half years, half the length of the life of the original one. Para 3: The problems of Dolly
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1. The sheep that donated the somatic cell most probably lived ____ years. A. 3 B. 6 C. 9 D. 13 推理判断 2.“Dolly’s illnesses were more appropriate to a much more older animal” means that ___. A. Dolly’s illness would make Dolly become old B. Dolly would have such illness when it become older C. Young animals like Dolly’s age shouldn’t have such illness
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The word “controversial” in Para 4 probably means ________. A. complicated B. arguable C. important Para 4: The impact of Dolly B
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True or false: 1. People feared that Cloned Hitlers would do harm to the world. 2. All the research into human beings will be forbidden. 3. Some countries will use cloning in a wise way. Para 5: People ’ s reaction to cloning Many governments forbade research into human beings. T T F
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Hitler: an evil leader
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意大利狂人医生 : 安蒂诺里 冒死也要克隆人的 科学家 : 布瓦瑟利耶
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3. What is the writing style? A. Expositive (说明性的) B. Descriptive C. Argumentative (议论性的) D. Narrative 5.The writer’s reaction towards cloning is____ A. Positive B. Negative C. neutral 4.From the text we can see that some people _________ the human cloning while others______________ it. are against are in favor of 推理判断
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Consolidation Clone is a way of making an exact_______ of another animal or plant. Cloning have two ______ uses. Firstly, gardeners use it all the time to produce _____________quantities. Secondly, it is valuable for research on new plant _________and for medical research on animals. But through the _________and death of Dolly, cloning has a lot of problems. On the other hand, we know cloning is controversial in some countries for ________and ___________reasons. copy major commercial species birth moral religious
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