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问题 选择题
从一副扑克牌中抽出5张红桃、4张梅花、3张黑桃放在一起洗匀后，从中一次随机抽出10张，恰好红桃、 梅花和黑桃3种牌都抽到，这事件是（   ）
A.可能发生
B.不可能发生
C.很可能发生
D.必然发生
答案

答案：D

单项选择题

W: Hello, John. How are you feeling now I hear you’ve been ill.
M: They must have confused me with my twin brother Rod. He’s been sick all week, but I’ve never felt better in my life.
Q: What do we learn about the man().

A. He is taking care of his twin brother.

B. He has been feeling ill all week.

C. He is worried about Rod’s health.

D. He has been in perfect condition.
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单项选择题

有如下程序段
int *p,a=10，b=1；
p=&a；a=*p+b;
执行该程序段后，a的值为_____。

A．12

B．11

C．10

D．编译出错
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