题目

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。Reuters reported that the scientist’s efforts got rewarded when the twin chickens were cloned in the lab after years of experiments. This breakthrough 【1】(possible) enabled people to bring their adored pets back to life. 【2】, it bothered him from time to time that their health was in poor condition because they were 【3】(able) to resist illnesses. This drawback 【4】(cast) him down. Merely two weeks later, the clones and their carrier died, 【5】struck frustration into his heart. He retired before he attained his ambition and became a member of an opera chorus to relieve his depression.Shortly afterwards, the media published a conservative 【6】(argue) objecting to cloning owing to moral problems, and suggested commercial profits from cloning 【7】 (forbid).When 【8】(interview), the scientist stared at the decorations on the ceiling, thinking for a while, and then said, " I’m not in favour 【9】 any arbitrary assumption, but 【10】 (undertake) cloning does differ from the straightforward procedure of making loafs out of flour. Until we accumulate enough exact knowledge, any practice is in vain and is bound to fail.” 答案：【答案】【1】possibly【2】However【3】unable【4】cast【5】which【6】argument【7】(should)be forbidden【8】interviewed【9】of【10】undertaking【解析】本文是一篇说明文，介绍了科学家成功克隆的双胞胎鸡仅仅两周后就死掉了，科学家认为克隆技术很复杂，还需要积累更多这方面的知识才会成功。【1】考查副词。句意：这一突破可能使人们喜爱的宠物死而复生。修饰动词enabled用副词，故填possibly。【2】考查副词。句意：然而，困扰他的是它们的健康状况很差，因为它们不能抵抗疾病。前后是转折关系，而且空后有逗号，故填However。【3】考查形容词。句意参考上题解析，根据句意可知此处表示“不能”，故填unable。【4】考查时态。句意：这个缺点使他很沮丧。事情发生在过去，应该用一般过去时，cast的过去式为cast，故填cast。【5】考查非限定性定语从句。句意：仅仅两周后克隆体和它们的载体就死了，这使他感到非常沮丧。此处为非限定性定语从句，关系词指代前面的内容，在从句中作主语，故填which。【6】考查名词。句意：媒体报道了一篇因道德问题而反对克隆的保守言论，并建议禁止克隆的商业利润。作动词published的宾语用名词，故填argument。【7】考查虚拟语气。句意参考上题解析，commercial profits 与forbid之间是被动关系，且suggest表示“建议”时，其后的宾语从句要用（should）do的虚拟语气，故填(should)be forbidden。【8】考查状语从句的省略。句意：在接受采访时，这位科学家盯着天花板上的装饰品。在when引导的时间状语从句中，当主从句主语一致，且含有be的某种形式时，可省略从句中的主语和be, the scientist与interview之间是被动关系，本句相当于省略了he was，故填interviewed。【9】考查固定短语。句意：我不赞成任何武断的假设，但克隆确实不同于用面粉做面包的过程。in favour of表示“支持、赞成”，故填of。【10】考查非谓语动词。句意参考上题解析，分析句子结构可知，此处用动名词作主语，故填undertaking。注意在表示建议、命令、要求、坚持认为等词后的宾语从句中要用(should) do的虚拟语气，其中should可以省略，常见的这类词有advise, order, demand, request, require，propose，suggest等。

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