当屋面坡度达到（）时，卷材必须采取满粘和钉压固定措施。
A.32
B.10%
C.15%
D.25%
参考答案：D
SAH防治脑血管痉挛的药物是_______通道拮抗剂。
There_____a football game between China and Japan tomorrow.[ ]
A. has
B. is going to be
C. will have
D. is going to have
