句型转换。

1. Mike often goes hiking with his brother on weekends. (改为一般疑问句)

    _______ Mike often _______  hiking with his brother on weekends?

2. Mary did her homework carefully last term. (改为否定句)

    Mary _______ her homework carefully last night.

3. The students took the bus back home after camping. (改写同义句)

    The students _______ back home ________  after camping.

4. Mary bought a souvenir for her brother. (对划线部分提问)

    _______  Mary_______  for her brother?

5.He read English book last night, ________? (反意疑问句)

将经过煎煮去渣的药液，再经加热浓缩所得的液体剂型是（）

A.煮剂

B.煎剂

C.煮散

D.饮剂

E.露剂