For decades, posters depicting rabbits with inflamed, reddened eyes symbolized campaigns against the testing of cosmetics on ani

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问题     For decades, posters depicting rabbits with inflamed, reddened eyes symbolized campaigns against the testing of cosmetics on animals. Now the most severe of those【C1】________are to be banned across the European Union.
    The so-called Draize tests are a series of notorious procedures【C2】________involve applying cosmetics ingredients【C3】________the eyes and skin of live laboratory rabbits. The animal’s, reactions are【C4】________to assess whether the【C5】________is an irritant or not. However, on April 27 the independent scientific advisory committee of the European Center for the Validation of Alternative Methods (ECVAM) approved a series of humane【C6】________.
    Two of these alternative tests use waste animal tissue reclaimed from slaughterhouses to replace live animals and test【C7】________chemicals might severely irritate the eyes. Two more will【C8】________live animals with in vitro cell cultures for determining whether【C9】________irritate the skin. A fifth alterative test,【C10】________identify whether chemicals will cause skin allergies, will spare hundreds of thousands of mice a year.
    These humane alternatives have been available【C11】________commercial use for years, but to enforce their use, ECVAM has had to show they are as【C12】________as or better than the procedures on live animals they are to replace. Now【C13】________the committee has validated the alternatives,【C14】________ will become illegal under the European Cosmetics Directive【C15】________cosmetic companies to continue to use live animals, and regulatory authorities in【C16】________member state will be forced to outlaw their use.
    【C17】________these changes, cosmetics companies will still be allowed to【C18】________ relatively mild chemicals on the eyes of live animals until further alternative tests are approved, or until 2009,【C19】________most cosmetic tests on live animals will be banned in Europe, regardless of【C20】________alternatives have been approved or not.
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解析 空缺处所在句句意:上述这些人性化的替代实验已经存在很多年了,但是要想实施它们,ECVAM需要证明比起活体动物实验,这些替代测试的效果一样甚至更好。 “be available for sth. ”意为“对……有用,有效”,为固定搭配。因此,此空应填介词“for”。
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