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  3. According to the text, stem cells are hard to obtain because _____. The "compromise" in the last paragraph probably refers to t

According to the text, stem cells are hard to obtain because _____. The "compromise" in the last paragraph probably refers to t

admin2009-04-26  67
问题 According to the text, stem cells are hard to obtain because _____.
The "compromise" in the last paragraph probably refers to the practice of _____.
选项 A、allowing human cloning to be strictly supervised in laboratories.
B、permitting human cloning to be done in laboratories only.
C、allowing cloning technology to be used in strictly limited areas.
D、permitting cloning technology to be used in any field other than medical science.
答案C
解析 词义题。文章最后一段第一句说"在寻求继续进行这一技术研究的妥协方式时，很多科学家呼吁立法禁止克隆人，但是要允许克隆胚胎以生产干细胞来进行研究和治疗"，所以这种"妥协"就是允许克隆技术被用于严格规定的领域中。
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