問題詳情

【題組】14. It can be inferred from the passage that the nucleus of a comet is made up of
(A) dust and gas
(B) ice and dust
(C) hydrogen gas
(D) electrically charged atoms

參考答案

答案：B
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)