控制设备的泄漏电流应()。A、>5mAB、<5mAC、>10mAD、<10mA

题型:单项选择题

问题:

控制设备的泄漏电流应()。

A、>5mA

B、<5mA

C、>10mA

D、<10mA

考点:土木建筑工程智能建筑工程智能建筑工程题库
题型:单项选择题

It is Sunday today. Ann is shopping with her mother. She wants her mother to buy a new sweater for her. In a clothing shop, she finds an orange one. She tries it on (试穿). It is too small. She wants a bigger one, but the bigger ones are not orange. Ann doesn’t like other colours. Her mother asks:” Shall we go to another shop to have a look? ” So they go out of the shop and go into another one.

The second shop is bigger than the first, and in it there are many kinds of sweaters of different sizes and colours. Ann tries on an orange one. It is too big. She tries a smaller one. It is OK.

“How much is it ?” Ann’s mother asks the women who sells clothes. Then they find it too dear (贵), and they don’t have so much money with them.

“Would you like a cheaper one ? ” The women asks.

“ No, we shall take this one. My daughter likes it. We will come back to buy it tomorrow. ” Ann’s mother answers.

小题1: It is Sunday. Ann and her mother                

A.are at home

B. are in a clothing shop

C.are in a restaurant

D. are in a park小题2: Ann wants to buy          .

A.an orange

B.an orange sweater

C.an orange for her mother

D.an orange sweater for her mother小题3:There is only one             .

A.shop near her home

B.orange in the first shop

C.orange sweater in the first shop

D.orange sweater in the second shop小题4: The orange sweater in the first shop is          .

A.too small

B.OK.

C.longer

D.too dear.小题5:In the second shop, why don’t they buy the sweater ?

A.Because Ann doesn’t like the sweater.

B.Because it’s too small.

C.Because they don’t have enough(足够的) money.

D.Because they want to buy a cheaper one.

题型:单项选择题

The teacher wants his students _________  hard. [ ]

A. work

B. works

C. working

D. to work

题型:单项选择题

你的项目必须对时间表风险进行一项蒙特卡罗(Monte Carlo)分析。这是你组织的什么要求()

A.项目计划方法

B.项目执行方法

C.项目管理信息系统

D.项目经验积累

题型:单项选择题

对某个小区的载波功率参数BSPWRB,BSPWRT修改后,采用()算法,一定要对参考点功率参数BSPWR,BSTXPWR作相应的修改。

A.上行K算法

B.下行K算法

C.L算法

题型:单项选择题

规模经济是指因为生产规模的变动而引起的收益变动。所以规模经济意味着企业的规模越大越好。( )

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