L类Ⅰ型聚氯乙烯防水卷材断裂伸长率应（）。
A.≥100%
B.≥150%
C.≥200%
D.≥250%
参考答案：B
—Miss White goes to climb mountains every Sunday.
—Really? But she _____ hate it. [ ]
A. used to
B. is used to
C. didn't use to
下列要后下的中药的是（）。
A、生石膏
B、生寒水石
C、车前子
D、生石决明
