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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, reallife 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. As technology continues to advance, countries must decide how they will deal with the issue of human cloning for reproduction or research.

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Plato asked "What is man" and St Augustine asked "Who am I’ A new breed of criminals has a novel answer: "I am you!" Although impostors have existed for ages, the growing frequency and cost of identity theft is worrisome. Around 10m Americans are victims annually, and it is the leading consumer-fraud complaint over the past five years. The cost to businesses was almost $50 billion, and to consumers $5 billion, in 2002, the most recent year that America’s Federal Trade Commission collected figures. After two recent, big privacy disasters, people and politicians are calling for action. In February, ChoicePoint, a large data-collection agency, began sending out letters warning 145,000 Americans that it had wrongly provided fraudsters with their personal details, including Social Security numbers. Around 750 people have already spotted fraudulent activity. And on February 25th, Bank of America revealed that it lost data tapes that contain personal information on over lm government employees, including some Senators. Although accident and not illegality is suspected, all must take precautions against identity theft. Faced with such incidents, state and national lawmakers are calling for new regulations, including over companies that collect and sell personal information. As an industry, the firms—such as ChoicePoint, Acxiom, LexisNexis and Westlaw—are largely unregulated. They have also grown enormous. For example, ChoicePoint was founded in 1997 and has acquired nearly 60 firms to amass databases with 19 billion records on people. It is used by insurance firms, landlords and even police agencies. California is the only state, with a law requiring companies to notify individuals when their personal information has been compromised—which made ChoicePoint reveal the fraud (albeit five months after it was noticed, and after its top two bosses exercised stock options). Legislation to make the requirement a federal law is under consideration. Moreover, lawmakers say they will propose that rules governing credit bureaus and medical companies are extended to data-collection firms. And alongside legislation, there is always litigation. Already, ChoicePoint has been sued for failing to safeguard individuals’ data. Yet the legal remedies would still be far looser than in Europe, where identity theft is also a menace, though less frequent and costly. The European Data Protection Directive, implemented in 1998, gives people the right to access their information, change inaccuracies, and deny permission for it to be shared. Moreover, it places the cost of mistakes on the companies that collect the data, not on individuals. When the law was put in force, American policymakers groaned that it was bad for business. But now they seem to be reconsidering it, Plato and St Augustine are mentioned in the text to

A. raise philosophical questions.
B. show an obvious contrast.
C. introduce the criminals,
D. pave the way for the main topic.

男性,56岁,深静脉血栓溶栓治疗期间突然出现胸痛、呼吸困难、血压下降。 预防此并发症的措施是

A. 鼓励急性期病人下地行走
B. 卧床期间增加床上运动
C. 密切观察神志变化
D. 急性期病人禁止按摩患肢
E. 吸氧

How much Comfortact should be used before putting lenses into the eye

一项技能的形成需要经过______、______、自如阶段。

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