高聚物改性沥青防水卷材屋面施工时,接缝口应用密封材料封严,宽度不应小于______mm。
A.2
B.5
C.8
D.10
参考答案:D
下列能够降低血糖的激素是()
A.肾上腺素
B.糖皮质激素
C.胰岛素
D.甲状腺素
E.胰高血糖素
Would you be kind enough_____me how to go to the office
A.as to tell
B.to tell
C.telling
D.tell