在数据库设计中，将E-R图转换为关系模式的过程属于( )。A．需求分析阶段 B．逻

我国汽油的标号是指（）。

A.凝点

B.自燃温度

C.辛烷值

D.10%馏出温度

微电子技术发展的趋势是（）

A、微型化

B、高集成、大容量、大型化

C、低功耗、操作方便

D、高速超并列、高灵敏度化

小题1:What strange _______________(suggest) you have offered!

小题2: Five         (nine) of the people at the conference come from European countries.

小题3: The house ____________ (it) is not to my mind, but I like its environment.

小题4:My head teacher does everything_______ (patient) while she is in a good mood.

小题5:There are some things that you can’t change, like your       (身高).

小题6:The seats have no back ___________ (紧靠着)which to lean.

小题7:A space sleeping bag is used to be fixed to the walls to prevent_________________(漂浮).

小题8:We must do something to deal with the ____________ (污染) water, otherwise, the fish will die.

下利清谷

建筑设备监控系统检测应在系统试运行连续投运时间不少于（）个月后进行。

A、4

B、3

C、2

D、1