高层民用建筑的通风空调系统,横向应按每个防火分区设置,竖向不宜超过()。
A、4层
B、5层
C、6层
D、7层
参考答案:B
Nigel is our new next-door neighbour. He’s a pilot(飞行员). He was in the R.F.A. He will fly to New York next month. The month after next he’ll fly to Tokyo. At the moment, he’s in Madrid. He flew to Spain a week ago. He’ll return to London the week after next . He’s only forty-one years old, and he has already been to nearly every country in the world. Nigel is a very lucky (幸运的)man. But his wife isn’t very lucky. She usually stays at home!
小题1: Nigel’s job is a ________.
A.teacher
B.doctor
C.actor
D.pilot小题2: ____ Nigel will fly to Tokyo.
A.Next month
B.The month after next
C.A week before
D.We don’t know in the text.小题3:What does Nigel’s wife usually do?
A.Goes to every country in the world with Nigel.
B.Goes to work
C.Flies to New York and London.
D.Stays at home.小题4: Is Nigel’s wife lucky?
A.Yes, she is.
B.No, she isn’t.
C.She is lucky.
D.No, she is.
画一条线段AB=4厘米,以A为圆心,以AB的一半为半径画一个圆.