1.一种新的材料被刷在屋顶上用来防雨。（protect…from）
2.对不起，我没留意你说的话。（pay attention to）
3.吸烟严重影响健康。（affect）
4.吸烟对健康产生很大影响。（effect）
參考答案:1.A kind of new material was brushed on the roof to protect the house from rain.
2.I am sorry, I did not pay attention to what you say.
3.Smoking affects the health seriously.
4.Smoking has important effects to health.
