句型转换。

1. She speaks Chinese. (改为否定式)

    She _______ _______ Chinese.

2. She doesn't like eggs. (改为肯定句)

    She ______ eggs.

3. The trees are near the river. (对划线部分提问)

    ______ ______ the trees?

4. Jim comes from England. (改为否定句) 

   Jim ______ _____ from England.

5. I like this red pencil. (对划线部分提问)

    ______ _______ you like?

6. Li Ping does sports after school. (改为一般疑问句)

    _______ Li Ping _______ _______ after school?

7. There are some apples in the basket. ( 改为单数)

    There ______ ______ ______ in the basket.

温度、湿度对疲劳产生的影响属于引起疲劳原因中的（）。

A.作业轻度大小

B.作业速度

C.作业时间的长短

D.环境条件