問題詳情

45.( ) Why ISN’T Pluto a planet? 
(A) Most astronomers don’t like it.  
(B) It is not part of the solar system.
(C)  It does not move around the sun.
(D) It is not big enough to be a planet.

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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