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  3. (46)As technology continues to advance, countries must decide how they will deal with the issue of human cloning for reproductio

(46)As technology continues to advance, countries must decide how they will deal with the issue of human cloning for reproductio

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问题     (46)As technology continues to advance, countries must decide how they will deal with the issue of human cloning for reproduction or research. So far, several nations have placed strong restrictions on healing cloning; others are moving towards such restrictions, and a few have staked out positions in favor of curative cloning. After months of bitter debate, the Unite States must decide what it will do.
    All legislators can agree that it would be wrong now to make a walking, talking, real-life human clone. The National Academy of Sciences also supports that position. But its institute of Medicine has rightly said that its objections to the safety of reproductive cloning do not apply to research cloning. Indeed,’ some scientists say that research cloning could yield stem cells that could be used to grow healing tissues for patients with diseases such as Parkinson’s. (47)They also say that studying stem cells made from the cells of diseased patients could help us understand why people with the same genetic make-up get sick or stay well.
    Opponents of research cloning say there is no proof that it will yield any cures. They also say that adult stem cells are more promising and less controversial. They have gained Congressional and public support by beating into widespread fears about biotechnology, which some worry is winding quickly down a slippery slope towards the commodification of the human species. (48)But such fears do not represent a sensible basis for a ban on research cloning, which is likely to give insights into the processes that cause a host of devastating diseases.
    The Senate is now moving towards a slowdown on the issue. Two bills have been introduced. Senator Sam Brownback introduced a bill that would ban cloning for any purpose. His rivals, led by Senator Dianne Feinstein, have introduced competing legislation that would all low scientists to close embryos for research. And senators eager to air their views on the issue for a vote on the matter in the next few weeks. (49)Brown back is said to have nearly 50 supporters, but for technical reasons a bill is unlikely to be passed unless 60 senators support it.
    Advocates of healing cloning have outlined situations that would make the Senate more likely to pass a bill that would allow research cloning, such as amending the Brownback bill to allow research. In this way, senators could save face by simultaneously voting for Brownback and for research.
    However, any bill that does pass the Senate must be reconciled with the House bill in a conference, The Brownback bill is virtually identical to a House cloning ban that was passed last July. So it would speed through the conference committee. But Senate and House negotiators are unlikely to compromise if the Senate votes to allow healing cloning, (50)So the result of this month’s Senate debate is likely to be either that President Bush signs a bill that bans cloning for any purpose, or that he does not sign any cloning bill at all. The issue could also spill over into the appropriations process this autumn, when senators try to force rules through the Congress by attaching them to the necessary spending bills.
    The Congress has strongly supported the National Institute of Health in recent years because it wants the United States to be a world leader in biomedical research. The Senate should continue its strong support of biomedical science, and act in the national interest, by refusing to pass a ban on research cloning.

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答案同时他们认为，研究从病人细胞中提取的干细胞组织可以帮助我们理解相同遗传构成的人为什么有些会得病，而有些则能保持健康。
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