在物业管理活动中,物业服务企业受业主委托,对业主的物业进行(),为业主提供服务。
A.管理
B.监督
C.监察
D.决策
参考答案:A
—Hi, Lily. You look tired. What happened?
—I _____ well last night. [ ]
A. don't sleep
B. not slept
C. didn't sleep
D. won't sleep
N类Ⅰ型氯化聚乙烯防水卷材拉伸强度为()。
A.≥5.0Mpa
B.≥6.0Mpa
C.≥7.0Mpa
D.≥8.0Mpa