题目

What is the weather like now?A.Warm. B.Hot. C.Cold. 答案：【答案】B【解析】【原文】M: I think I’m getting a cold.W: You have stayed in this air-conditioned room for too long. Just go out and catch some fresh air.M: Are you kidding? The sun is burning everything out there.一个不透明的口袋中有三个小球，上面分别标有数字2，3，4，每个小球除数字外其他都相同．小明先从袋中随机取出1个小球，记下数字后放回；再从袋中随机取出1个小球记下数字．用画树状图（或列表）的方法，求小明两次所记的数字之积大于8的概率．