preparing/prepared

句(1)的意思是“鲍勃正在为考试做准备”。而句(2)的意思：“鲍勃已为考试做好了准备。”注意下列各句中prepared的含义：

1. He was not prepared for the question. 对于这个问题他没有做好准备。

2. It was going to rain. It didn't matter, he was prepared for it. 要下雨了。但是，没有关系，他已做好了准备。