根据句意及首字母或汉语提示完成句子。

1. A__________ you can see, he is more outgoing than his brother.

2. Can you find a w__________ to solve this problem?

3. John and Tom are b__________ from America.

4. He is good at__________（物理）.

5. He has worked in the company for 15 years. __________（然而）,he doesn't like the job.

在Windows 98环境下，Win32应用程序的4GB的地址空间可以划分为四个部分。其中，私有地址空间范围是

A．0MB～4MB`

B．4MB～2GB

C．2GB～3GB

D．3GB～4GB