解方程 x-35%x=6.558%x+23%x=1.62x+25x=8.4．

句型转换。

1. Is this racket yours? (同义句)

    Is this _____ ______?

2. There is one ball under the desk. (对划线部分进行提问) 

    How many _______ ______ there under the desk?

3. Close the window, please. (否定句)

    ______ _______ close the window.

4. My trousers are black and white. (对划线部分进行提问)

    What _______ _______ your trousers?

5. The old man there is a doctor. (对划线部分进行提问)

    ______ ______ the old man there?

用侧滑试验台检验转向轮的横向侧滑量时，其值应≤（）m/km。

A．2

B．5

C．8

抹大拉的马利亚曾被多少个鬼附在身上？

单纯疱疹病毒性脑炎治疗原则是什么？

什么是最根本的浪费？