【单选题】
The two girls are getting on very well and share with each other. ___
A. little
B. much
C. some
D. none
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【单选题】
The teacher said that the classroom was empty __________ a few chairs.___
A. but for
B. except for
C. apart from
D. besides
【单选题】
______you choose， make sure that it is a good one. ___
A. What
B. Wherever
C. Whichever
D. Which
【单选题】
Vingo was released from prison_____the successful efforts of his friends to prove his innocence. ___
A. according to
B. as a result of
C. for reasons of
D. with the help of
【单选题】
Entering the room， I found my father __ at the desk and ___ something .___
A. seat... write
B. seated ... wrote
C. seated ... writing
D. seating ... writing
【单选题】
Cake __________ of flour, sugar, egg and some other ingredients. ___
A. contained
B. consists
C. includes
D. composed
【单选题】
Mr. Peter wanted Steve to take half the money, but Steve did not __________ it. ___
A. obtain
B. achieve
C. accept
D. receive
【单选题】
I'd like to take my picture ________stands a high tower. ___
A. where
B. which
C. that
D. there
【单选题】
__________ the English examination I would have gone to the concert last Saturday. ___
A. But for
B. As for
C. In spite of
D. Because of
【单选题】
Cars moved very slowly in the 1920s, but they ______move more quickly than in 1910.___
A. were to can
B. did
C. will
D. can
【单选题】
The little girl needs __________ after her shock. ___
A. being comforted
B. be comforted
C. comforting
D. comforted
【单选题】
The __________ horse ran away from the fire.___
A. having frightened
B. frightening
C. frightened
D. frighten
【单选题】
He is __________ of an actor. ___
A. anybody
B. anything
C. somebody
D. something
【单选题】
You can take ______ seat you like. ___
A. no matter what
B. no matter which
C. what
D. whichever
【单选题】
He changed his name， _____ that nobody would find out what he had done before. ___
A. having thought
B. to think
C. thinks
D. thinking
【单选题】
----- _______is your English teacher？ ----- The one in red. ___
A. who
B. which
C. what
D. where
【单选题】
Can you give me a light for my cigarette? I have ____my matches.___
A. got out of
B. got rid of
C. got away with
D. run out of
【单选题】
Then the speaker __________ the various factors leading to the present economic crisis.___
A. went for
B. went after
C. went into
D. went on
【单选题】
I know Jonathan quite well and never doubt_____ he can do a good job of it___.
A. whether
B. that
C. when
D. what
【单选题】
I'm afraid it ______ tomorrow, but who knows?___
A. may have rained
B. might rain
C. would rain
D. ought to rain
【单选题】
He has spent ____money on his new house.___
A. a large number of
B. the number of
C. lots of
D. numbers of
【单选题】
This is the hotel __________ I like to stay.___
A. in which
B. at which
C. to which
D. at that
【单选题】
Would you mind keeping a（n）__________on the house for us while we are away？___
A. eye
B. /look
C. hand
D. view
【单选题】
He suggested the sports meet be _______because of the bad weather. ___
A. put away
B. put up
C. put down
D. put off
【单选题】
If the weather is __________ suitable, we will play the football match on Tuesday. ___
A. by means of
B. by any means
C. by no means
D. by all means
【单选题】
_____________is one of the five working languages at U.N. , which _______ are very proud of.___
A. The Chinese, the Chinese
B. Chinese language, Chinese
C. Chinese, the Chinese
D. Chinese language, the Chinese
【单选题】
The war lasted so long that people were tired of it. Everyday there was large crowds of demonstrators _____against the war.___
A. protecting
B. prescribing
C. protesting
D. prosecuting
【单选题】
Tom is so talkative. I’m sure you'll soon get tired ________ him.___
A. of
B. with
C. at
D. on
【单选题】
He ________ driving me home, even though I told him I lived nearby.___
A. insisted on
B. insisted at
C. insisted that
D. insisted in
【单选题】
We came finally ______ the conclusion that she has been telling lies all the time.___
A. of
B. into
C. to
D. at
【单选题】
I am not used to speaking ________ public.___
【单选题】
I didn’t know what to do, but then an idea suddenly ________to me.___
A. appeared
B. happened
C. occurred
D. emerged
【单选题】
Measles （麻疹） ________ a long time to get over.___
A. spend
B. spends
C. take
D. takes
【单选题】
A pair of spectacles ________ what I need at the moment.___
A. is
B. are
C. has
D. have
【单选题】
I fell and hurt myself while I ________ basketball yesterday.___
A. was playing
B. am playing
C. play
D. played
【单选题】
Don't forget _________ the window before leaving the room.___
A. to have closed
B. to close
C. having closed
D. closing
【单选题】
Twenty people were______ wounded in the air crash.___
A. quickly
B. wrongly
C. bitterly
D. seriously
【单选题】
The top of the Great Wall is ________ for five horses to go side by side.___
A. wide
B. so wide
C. wide enough
D. enough wide
【单选题】
Nancy is considered to be _________ the other students in her class.___
A. less intelligent
B. the most intelligent
C. intelligent as well
D. as intelligent as
【单选题】
She is not only my classmate __________ also my good friend.___
A. or
B. but
C. and
D. too
【单选题】
I would like to do the job ________ you don't force me to study.___
A. in case
B. although
C. though
D. as long as
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【多选题】
保证安全的组织措施包括___
A. 现场勘察制度；
B. 工作票制度；
C. 工作许可制度；
D. 工作监护制度；
【多选题】
发现直接危及___安全的紧急情况时，工作人员有权立即停止作业或在采取可能的应急措施后撤离作业现场。
A. 人身；
B. 电网；
C. 设备；
D. 环境；
【多选题】
具备必要的安全生产知识和技能，从事电气作业的人员应掌握___等紧急救护法。
A. 触电急救；
B. 创伤急救；
C. 溺水急救；
D. 食物中毒；
【多选题】
UPS的日常巡检维护中，应重点检查巡视下述___内容。
A. 现场观察UPS的操作控制显示屏，查看有无故障和报警信息；
B. 检查位于UPS机柜上空气过滤网是否通风正常；
C. 检查有无明显过热的痕迹；
D. 检查蓄电池的电压及内阻有无异常；
【多选题】
为保证凝汽器安全运行，凝汽器上装有___。
A. 液位指示器 ；
B. 液位变送器；
C. 液位开关 ；
D. 液位调节阀；
【多选题】
凝汽器真空下降的原因有___。
A. 冷却水量不足 ；
B. 真空系统漏气量增多；
C. 凝汽器满水；
D. 抽气器工作正常；
【多选题】
凝汽器真空下降的原因有___。
A. 冷却水中断；
B. 冷却水温度低；
C. 凝汽器冷却面结垢；
D. 抽气器工作不正常；
【多选题】
凝汽式发电厂的特点是___。
A. 建设周期短；
B. 基建投资较小；
C. 燃料利用率较高；
D. 建设在用户附近；
【多选题】
汽轮机运行时，需要监视的项目有___。
A. 轮室压力；
B. 凝汽器真空；
C. 轴振动 ；
D. 轴位移；
【多选题】
我们维护的汽轮机采用___监视压力.温度。
A. 压力表 ；
B. 压力开关 ；
C. 温度表；
D. 热电偶；
【多选题】
我们维护的汽轮机盘车机构的型式有___和（ ）两种。
A. 手动；
B. 油动；
C. 气动；
D. 电动；
【多选题】
机组运行时严格控制抽汽压力，因为抽汽压力是___。
A. 新蒸汽压力；
B. 第一膨胀段的排气压力 ；
C. 排汽压力 ；
D. 第二膨胀段的进气压力；
【多选题】
汽轮机运行时，转子位移增大的原因有___。
A. 加减负荷过快；
B. 通流部分损坏或结垢严重；
C. 推力瓦块磨损大 ；
D. 汽轮机水冲击；
【判断题】
直流电路中，我们把电流流出的一端叫电源的负极。
【判断题】
2个电阻串联，流过相同的电流，阻值大的电阻消耗的功率大。
【判断题】
电阻并联后接入电路，就成为并联电阻电路。
【判断题】
大小和方向都不随时间变化的电流叫直流电流。
【判断题】
导体周围的磁场方向用右手螺旋定则来判断。
【判断题】
电动势的正方向是由高电位指向低电位，即电位降低的方向。
【判断题】
电阻率和电阻的温度系数是同一个概念的两种说法。
【判断题】
欧姆定律阐明了电路中电压与电流成正比的关系。
【判断题】
电阻串联时，总阻值的倒数等于各个电阻阻值的倒数和。
【判断题】
电阻并联时，总阻值等于各个电阻阻值之和。
【判断题】
当电路处于通路状态时，外电路电阻上的电压等于电源电动势。
【判断题】
高频感应加热是利用电流的热效应实现的。
【判断题】
感抗大小取决于电源的频率和线圈的电感量。
【判断题】
电路中流入某一节点的电流的代数和恒等于零。
【判断题】
分析计算复杂电路的基本依据是欧姆定律和基尔霍夫定律。
【判断题】
星形.三角形电路的变换条件为等值变换，变换前后网络的外特性应发生变化。
【判断题】
电压源与电流源的等效条件是电压源与电流源的电阻相同。
【判断题】
复杂电路与简单电路的根本区别在于电路中元件数量的多少。
【判断题】
节点电压等于各支路的电动势和电导的乘积的相量和除以各支路电导之和。
