2. 财务会计
  3. The hypothesis that the explosion was ca

The hypothesis that the explosion was ca

shuhaiku2019-12-17  20
问题 The hypothesis that the explosion was caused by a rock colliding with the Earth
选项 A. has remained a puzzleB. lacks sufficient evidenceC. is a university professorD. was generated by the explosionE. will kill many animalsF. are attacked by aliens
答案B
解析
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