用所给词的适当形式填空。

1. — Where is Mr. Wang?

    — He ______ (go) to the library. He wants to borrow some library books.

2. At first she ______ (think) about going camping, but later she changed her mind.

3. They are from ______ (foreigner) countries.

4. I ______ (discover) the truth, but I couldn't tell it to others.

5. How long have you been ______ (wait) here?

一般优势半球指的是下列哪项特征占优势的一侧半球

A．重量

B．运动功能

C．感觉功能

D．语言功能

E．皮层沟回数