第7题: [单项选择]The shrinking range poses （）to Africa’s elephants A. a graver threat that is long-term B. long-term the gravest threat C. the gravest long-term threat D. a long-term threat graver 参考答案:C 答案解析:
A. the moral aspect B. the technical side C. the end and the means D. the philosophy 参考答案:A 答案解析:推理判断题。原文前四段都围绕对基因和克隆技术的道德思考展开，题干问本文对科技进步的首要思考在于哪一方面，所以选A)项“道德方面”。[避错指导] B)项“技术方面”显然不是文章旨在强调的内容； C)项“
