問題詳情

【題組】32.Why isn’t Pluto a planet?
(A) Most astronomers don't like it.
(B) It is not big enough to be a planet.
(C) It does not move around the sun.
(D) It is not part of the solar system.

參考答案

答案：B
難度：非常困難0
統計：A(0),B(0),C(0),D(1),E(0)