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【单选题】某张音乐合辑中包含9首钢琴曲和若干首小提琴独奏曲，在随机播放时听到的第一首是钢琴曲的可能性为60%，那么钢琴曲的数量比小提琴独奏曲的数量( )。
A.
多3首
B.
多6首
C.
少3首
D.
少6首
【单选题】My family and I recently returned from a trip to Alaska, a place that combines supernatural beauty with a breathtaking amount of bear risks. I’ll start with some facts at a glance: WHERE ALASKA IS: Wa...
A.
Because they can attack without warning just like bears.
B.
Because they are used to give warnings to visitors about bears.
C.
Because they are as funny as stuffed bears.
D.
Because they are used to show the oddness of the stuffed bears.