句型转换：按要求完成下列各题。

1. This is my pencil sharpener. (改为一般问句)

    _______ _______ _______ pencil sharpener?

2. Sonia has a great sports collection. (改为否定句)

    Sonia _______ _______ a great sports collection.

3. His video tape is on the bookcase. (就画线部分提问)

   _______ his video tape?

4. My father is fine. (就画线部分提问)

   _______ is your father?

5. His name is Jim Green. (改写为同义句)

    _______ Jim Green.

6. That is a key. (改写为复数句)

     Those _______ _______.

严重大面积烧伤时，体液渗出的高峰可提前至伤后

A．24小时

B．2小时

C．48小时

D．12小时

E．72小时