句型转换。

1. Would you please look after the bags for me?(改为同义句)

    Would you please _____ _____ _____ the bags for me?

2. I like to wash the plates because it's relaxing.(对画线部分提问)

    _____ _____ you _____ to wash the plates?

3. My brother borrowed a dictionary from Tim just now.(改为同义句) 

    Tim _____ a dictionary _____ my brother just now.

4. Could you please not sweep the floor now?(改为同义句)

    _____ _____ the floor now!

5. He needs to do it like that.(改为一般疑问句)

    _____ he _____ _____ _____ it like that.

给水排水厂站中，对钢筋（预应力）混凝土水池（构筑物），设计上不作要求的混凝土性能是（）。

A.防腐

B.抗渗

C.抗裂

D.抗冻