在智能建筑中,需要对电力系统进行监测,电力系统监测的电量指标是()。
A.频率
B.相序
C.效率
D.功率
参考答案:D
A Nice Clean Plate
It’s Saturday evening. Bruce is having a birthday party. There are a lot of children at the party. They play together for an hour. Then Bruce’s mother gives them some food. But she forgets to give Sam any.
Sam feels wronged(委屈) but then he remembers his mother’s words, “Be polite.(礼貌). Don’t ask for food.” So he waits for a few minutes, then he holds his plate up over his head and says loudly, “ Does anyone want a nice clean plate?”
小题1:What day is it?
A.Sunday
B.Saturday
C.Monday
D.Friday小题2:What are the children doing in the afternoon? They are ___.
A.reading
B.singing
C.playing
D.dancing小题3:They play for ___.
A.an hour
B.ten minutes
C.half an hour
D.twenty minutes小题4:Who gives them some food?
A.Bruce’s father
B.Bruce’s uncle
C.Bruce
D.Bruce’s mother小题5:Sam’s mother tells him not to ___.
A.play in the street
B.ask for food
C.play with girls
D.swim in the river
下列有关抗生毒的应用原则中,错误的是()
A.严重创伤者应用抗生素
B.无明确应用指征者不用
C.根据药敏结果选用抗生素
D.抗生素联用以3种为宜
E.症状好转后继续应用3~4天