句型转换。

1.  I eat many vegetables for dinner. (改为同义句)

     I eat _____ _____ _____ vegetables for dinner.

2.  She has two hamburgers for lunch.  (对画线部问)

     _____ _____ she _____ for lunch?

3.  Does he like salad? (改为陈述句)

     _____ _____salad.

4.  They like strawberries.  (改为一般疑问句)

     _____ they _____ strawberries?

5. He like oranges. (改为否定句)

    He_____ _____ oranges.

如图所示，物体静止在固定的斜面上，下面关于斜面对物体的作用力的方向说法中，哪个是正确的（　　）

A．沿斜面向上

B．垂直斜面向上

C．沿斜面向下

D．竖直向上