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A has remained a puzzle B lacks sufficient evidence C is a university professor D was generated by the explosion E will kill man
A has remained a puzzle B lacks sufficient evidence C is a university professor D was generated by the explosion E will kill man
admin
2016-08-16
34
问题
A has remained a puzzle
B lacks sufficient evidence
C is a university professor
D was generated by the explosion
E will kill many animals
F are attacked by aliens
The hypothesis that the explosion was caused by a rock colliding with the Earth______.
选项
答案
B
解析
句意:爆炸是由陨石撞击地球造成的假设缺乏足够的证据。根据第四段首句可知科学家们没有找到任何“陨石”的碎屑,所以这项假设缺乏足够证据,故选B.
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本试题收录于:
职称英语综合类B级题库职称英语分类
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职称英语综合类B级
职称英语
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