新视野第三册第八单元

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NHCE-BIII-Unit 8
III: Leading-in
CONS:
• • • • • Decline in genetic diversity. Taking nature into our own hands. Religious and moral reasons. Physical problems, such as birth defects. Possibility of mental and emotional problems of the clone.
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NHCE-BIII-Unit 8
III: Leading-in
天赐灵婴 【导演】尼克.海姆 【主演】格雷格.金内尔, 蕾贝卡
• 《月球》《银翼杀手》《机械公敌》 • 《别让我走》《重生校园》
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Legal and Moral Implications of Cloning
NHCE-BIII-Unit 8
IV: Section A--Text
1. Structure of Text
Para.1 Para. 2-3
With the success of cloning an adult mammal, the world was suddenly brought into the reality of human cloning. This part is about the world’s strong and immediate responses in the wake of Wilmut’s announcement.
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NHCE-BIII-Unit 8
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Idaho Gem
• The world's first cloned mule, was born on May 4. He is an identical genetic copy of his brother, a champion racing mule called Taz, and the first clone to be born in the equine family.
NHCE-BIII-Unit 8
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Legal and Moral Implications Legal and Moral Implications of Cloning of Cloning
NHCE-BIII-Unit 8
III: Leading-in
Discussion
Para.19
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NHCE-BIII-Unit 8
IV: Section A--Text
2. Questions to Comprehension
1)what’s the meaning of Dolly’s success? (para.1)
Reference Words: 1)The first cloned mammal. 2)Cloned human is within reach. 3)Science fiction is coming true.
NHCE-BIII-Unit 8
IV: Section A--Text
3) Will it be possible to clone the dead?(para.7)
Reference Words: Perhaps, if the body is fresh . because the nucleus must be intact .
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NHCE-BIII-Unit 8
IV: Section A--Text
4) Would a cloned human be identical to the original?(para.9,10)
Legal and Moral Implications of Cloning
NHCE-BIII-Unit 8
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Cloned Animals
• What animals do you know have been cloned so far?
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NHCE-BIII-Unit 8
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NHCE-BIII-Unit 8
IV: Section A--Text
2) Why would anyone want to clone a human being in the first place? (para5.)
Reference Words:
1) parents who want to clone a child, either to provide transplants for a dying child or to replace that child. 2) adults who for a variety of reasons might want to clone themselves. MENU
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NHCE-BIII-Unit 8
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Noel, Angel, Star, Joy, Mary
• Five cloned piglets, born in Virginia, USA on March 5 2000. The world's first cloned piglets were produced by PPL Therapeutics from an adult sow using a slightly different technique from the one that produced Dolly.
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NHCE-BIII-Unit 8
III: Leading-in
There are some movies about cloning.
• 第六日 • 导演:罗杰· 斯波蒂伍德 • 主演:托尼· 戈德温 迈克尔· 鲁克 阿诺· 施瓦 辛格 • 《逃出克隆岛》 • 主演:伊万· 麦克格雷格 斯嘉丽· 约翰逊 杰 曼· 翰苏 肖恩· 迈克· 宾 克拉克· 邓肯 史蒂 夫· 布西密
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NHCE-BIII-Unit 8
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The Process of Cloning
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NHCE-BIII-Unit 8
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NHCE-BIII-Unit 8
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The Process of Human Cloning
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wk.baidu.com
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Dolly
• Dolly, the first mammal to be cloned from adult DNA, was put down by lethal injection Feb. 14, 2003. 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.
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NHCE-BIII-Unit 8
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Cloned Calves
• A pair of new-born cloned calves in a cowshed in Ishikawa Japan, on July 5 1998. They were born exactly two years after Dolly, the British sheep that made history by becoming the first clone of an adult animal. They are the second adult-animal clones, and were produced by a similar technique. A spokesman for the Ishikawa prefectural livestock research centre said the new technique would be used to breed better cattle strains with higherquality beef or greater milk capacity.
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NHCE-BIII-Unit 8
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Cc
• The world's first cloned kitten, named Cc. It was created by scientists in Texas using a cell taken from an adult tortoiseshell female (see next picture). The photo, taken on December 22 2001 when the kitten was seven weeks old, was made public in February 2002.
What are the pros and cons of cloning?
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NHCE-BIII-Unit 8
III: Leading-in
References
PROS: • Produce animals with desirable traits. • Increase the efficiency of the livestock production. • Offset losses of among endangered species populations. • Enable better research for finding cures to many diseases. • Provide children for parents who would like a child but can't have one for various reasons. • Provide parents with an opportunity to clone a child who has died.
Para. 4-18
This part offers complete or partial answers, from the up-to-date knowledge, to the six questions on the legal and moral implications of cloning. This part is intended to reaffirm the author’s opinion that, although the list of questions could go on, people are just beginning to wonder about the future of the world after cloning.
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NHCE-BIII-Unit 8
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ANDi
• ANDi (inserted DNA spelled backwards), the first genetically modified rhesus monkey, at the Oregon regional primate research centre in Oregon, USA. The birth of ANDi, the first rhesus monkey cloned by embryo splitting, is another incremental step toward designing and perfecting new treatments for human genetic disorders.
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