地下室采用构件自防水，外墙板的厚度不得小于200mm，底板的厚度不得小于150mm，以保证刚度和抗渗效果。
参考答案：对
句型转换。（每空1分，共10分）
小题1:Jim wants to go boating this afternoon. (变否定句)
Jim __________ _________ to go boating this afternoon.
小题2:Nancy is the cleverest student in our class.(改写同义句)
Nancy is cleverer than _____________ _____________student in our class.
小题3:Linda has done everything for the coming exam, __________ _________？(变反意疑问句)
小题4:The man has been dead for ten years. (对画线部分提问)
___________ __________ has the man been dead?
小题5:无论他说什么，我都不会相信他。
_________ _________ what he says，1 won’t believe him.
下列哪种屋面不适宜设保温层（）
A.卷材防水屋面
B.刚性防水屋面
C.沥青防水屋面
D.油毡防水屋面
