句型转换。

1. The man is very old, so he can't do the work. (改为简单句)

    The man is _____ _____ _____ do the work.

2. Bruce has been working in this factory since two years ago. (对划线部分提问)

    _____  _____ _____ Bruce_____  _____ in this factory?

3. If you try your best to study hard,  you can go to college. (改为同义句)

   If you try your best to study hard,  you _____ _____ _____ go to college.

4. I  was  getting out of the shower when the bell rang. (对划线部分提问)

    _____ _____ you _____ when the bell rang?

5. My mother said, "Don't turn on the TV." (改为间接引语)

    My mother _____ _____ _____ _____ turn on the TV.

以下哪项最不符合成釉细胞瘤的X线特征（）

A.边缘常不整齐，有切迹

B.早期呈蜂房状后呈多房

C.牙根有不规则吸收

D.肿瘤内可见钙化影

E.肿瘤所在的骨皮质膨隆