Some of my classmates ________ from other cities. [ ]
A. comes
B. is
C. are
答案:C
适于睡前服用的药品是( )
A.莫沙必利
B.艾司唑仑
C.帕罗西汀
D.氢氯噻嗪
E.阿卡波糖
塑力缆的额定电压为0.6/1kV,其中0.6kV为相电压,1kV为线电压。