用所给词适当形式填空

小题1:If you       (go ) camping in the forest, you                (have ) a great time .

小题2:You’d  better find out how          (use) this digital camera.

小题3:I prefer           (spend) my summer holidays in the countryside.

小题4:He studies English by              (make) cards.

小题5:It’s very nice of you                (draw) pictures for me.

《中华人民共和国清洁生产促进法》规定：国家对浪费资源和严重污染环境的落后生产技术、工艺、设备和产品实行( )制度。

A．定期淘汰
B．限期淘汰 C．限期整顿
D．限期整治