题干
— What can I do for you?
— ________.
A：Yes, you can
B：No, you can't
C：I'd like a shirt
D：I think so
答案(点此获取答案解析）
C
— What can I do for you?
— ________.
A：Yes, you can
B：No, you can't
C：I'd like a shirt
D：I think so
个完全相同的小球，把它们分别标号为
，随机摸取一个小球然后放回，再随机地摸取一个小球。
的倍数或
的倍数的概率。
