問題詳情

38. How is a black hole formed?
(A) When a star explodes during a supernova.
(B) When a star gets too close to another star.
(C) When a star absorbs too much light.
(D) When a star collides with the Sun.

參考答案

答案：A

統計：A:17,B:4,C:0,D:1,E:0

難度：計算中