下列选项中，不属于室内给水系统基本组成的是( )。A．水表节点 B．进户管 C．清

用括号内所给动词的适当形式填空。

小题1:There was a loud noise while Lily _______________ (listen) to music in her study.

小题2:It is very important ________________ (not give) your goldfish too much food.

小题3:Look! The audience __________________ (clap) their hands at the theatre .

小题4:---_________ you_________  (hear) from him recently？   --- Not yet.

小题5:Listen! The radio says something bad ______________ (happen) last night.

小题6:The parade was so wonderful that all of us couldn’t stop _____________ (take) photos.

小题7:There ________________ (be) a class meeting this afternoon, isn’t there?

小题8:Computers __________________ (control) by programs .

小题9:The hot water must _________________ (keep) away from the children .

小题10:_________________ （not throw）litter everywhere, children.

物体做直线运动的v-t图象如图所示，已知第1s内合外力对物体做的功为W，则从第5s末到第7s末合外力做功为

A．–W

B．W

C．2W

D．4W

东方文化中最根深蒂固的东西是（）。

A、重农抑商思想

B、官本位思想

C、儒学思想

D、道家思想

流行性斑疹伤寒的传播媒介是（）

A、蜱

B、恙螨

C、鼠

D、鼠蚤

E、人虱

以下程序的输出结果是【 】。#include main( ){prinff("％d＼n",strlen("IBM＼n012＼1＼＼"))；}