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The news of the first successful cloning o

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题目:

The news of the first successful cloning of a sheep has sent shock waves around the world.As a result, in many countries, officials and even some scientists are calling for new or strengthened legislation to outlaw human cloning, although at this early date, no concrete measures have been proposed.In the United States, which currently has no law prohibiting the procedure, President Clinton announced an urgent inquiry into the potential ethical and legal implications bythe National Bioethics Advisory Commission, which will report its conclusions by the end of May. Meanwhile, Clinton has banned federal funding for human cloning research and asked for a moratorium on nonfederally funded efforts. In addition, both houses of the U. S. Congress had held holding hearings on the issue. Scientists have cloned embryos for the first time from patients with serious diseases and injuries. It is believed that the day will come when some of mankind’s most destructive diseases and injuries can be effectively treated through the use of therapeutic stem cells.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析: 结构化设计是使用系统概念来分解信息系统需求和定义子系统边界和接口的流程。选项(a)不正确,因为自上而下的设计是根据系统的综合目的来定义系统,然后以层次结构的方式逐步精化到详细信息。选...

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中东的民主化是一个表面的形式,要整合成稳定的民主是极为困难的事情。平时我们所理解的民主化,往往是推翻某一个派别或个人的专制统治,但其实推翻专制之 后的民主化进程是更艰难得多的。中东多数国家不同于日本、韩国这样的单一民族国家,人们往往难以理解中东国家政治进程是多么复杂。关于这段文字,以下理解有误的是()。

A.平时我们所理解的民主化过于狭窄化

B.中东多数国家并不是单一民族国家

C.人们对中东国家政治进程想象得太简单

D.单一民族国家民主化进程比多民族国家顺利

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