【单选题】
She __________ in wearing that old – fashioned hat.___
A. insists
B. persists
C. assists
D. consists
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相关试题
【单选题】
Some of the meat came from Canada. How about________？___
A. another
B. the other
C. others
D. the rest
【单选题】
I have brought you ___ flowers for your birthday. ___
A. few
B. a few
C. little
D. a little
【单选题】
I have also experienced many adventures, but nothing that I have seen ___what you have described. ___
A. compares
B. relates
C. resembles
D. assembles
【单选题】
That young man has made so much noise that he ___ not have been allowed attend the concert. ___
A. could
B. must
C. would
D. should
【单选题】
“What is Mary doing at home?” “She is playing ____.”___
A. a piano
B. her piano
C. piano
D. the piano
【单选题】
I’m busy now ,ask him to see me ____ time.___
A. the other
B. some other
C. other
D. another
【单选题】
The child took a spoonful and tasted it carefully __________ it was hot.___
A. in case
B. provided
C. if
D. unless
【单选题】
The French pianist who had been praised very highly __________ to be a great disappointment. ___
A. turned off
B. turned up
C. turned out
D. turned down
【单选题】
“Shall I turn on the television?” – “No, I’d rather not __________ television tonight.”___
A. have watched
B. to watch
C. watch
D. for watching
【单选题】
They said that they had made up their minds to ____the task in spite of the extremely difficult conditions.___
A. carry on
B. carry off
C. carry away
D. carry forward
【单选题】
The two girls are getting on very well and share with each other. ___
A. little
B. much
C. some
D. none
【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
推荐试题
【单选题】
我国规定的安全电压是___V及以下。
A. 36
B. 110
C. 220
D. 380
【单选题】
钳型电流表使用时应先用___。
A. 较大量程
B. 较小量程
C. 最小量程
D. 空量程
【单选题】
电力变压器温度监视仪所显示的温度是变压器的___温度。
A. 高压侧线圈
B. 低压侧线圈
C. 变压器的铁芯
D. B相线圈
【单选题】
断路器可以切断的最大电流取决于该断路器的___。
A. 开断电流
B. 额定电流
C. 短路时的电流
D. 峰值电流
【单选题】
高压电气设备预防试验常用兆欧表的额定电压是___V。
A. 500
B. 1000
C. 2500
D. 5000
【单选题】
电力系统电压互感器的二次侧额定电压均为___V。
A. 220
B. 380
C. 36
D. 100
【单选题】
红色示温腊片的熔化温度为___。
A. 60℃
B. 70℃
C. 80 ℃
D. 90℃
【单选题】
运行中电压互感器二次侧不允许短路，电流互感器二次侧不允许___。
【单选题】
电力线路发生故障时，本线路继电保护的反应能力，称为继电保护的___。
A. 选择性
B. 灵敏性
C. 可靠性
D. 快速性
【单选题】
当电力系统发生故障时，要求本线路继电保护，该动的动，不该动的不动称为继电保护的___。
A. 选择性
B. 灵敏性
C. 可靠性
D. 快速性
【单选题】
空载变压器突然合闸时，可能产生的最大励磁涌流的值大小___。
A. 远小于额定电流
B. 远大于短路电流
C. 比拟短路电流
D. 比拟额定电流
【单选题】
所有电流互感器和电压互感器的二次绕组应___。
A. 保护接地
B. 永久性、可靠的保护接地
C. 不接地
D. 无所谓
【单选题】
以下保护类型中哪一个保护不会随运行方式改变而改变保护范围___。
A. 线路差动保护
B. 延时电流速断保护
C. 电流速断保护
D. 定时限过流保护
【单选题】
以下直流保护类型中哪一个不会启动自动重合闸功能___。
A. Imax速断保护
B. di/dt保护
C. △I保护
D. 电缆温度保护
【单选题】
以下直流保护类型中哪一个针对接触网中远距离进行保护___。
A. Imax速断保护
B. di/dt保护
C. △I保护
D. 电缆温度保护
【单选题】
以下哪一个保护类型不能作为变压器主保护___。
A. 变压器差动保护
B. 瞬时电流速断保护
C. 瓦斯保护
D. 定时限过流保护
【单选题】
电压互感器二次侧不得___。
A. 开路
B. 短路
C. 直接接电压表
D. 直接接电阻
【单选题】
击穿电压与___。
A. 时间的作用时间无关
B. 介质材料有关
C. 电压的作用时间长短和介质的老化均有关
D. 环境温度无关
【单选题】
交流耐压是一种破坏性试验，___。
A. 故在做此试验之前应先做其他绝缘试验
B. 故在做此试验之前不得在做泄漏试验
C. 故只有在做完其他绝缘试验发现缺陷后再做
D. 所以只对新设备试验
【单选题】
工频高压试验变压器的特点是___。
A. 电压高，电流小
B. 电压高，电流大
C. 电压低，电流小
D. 电压高，电流恒定
【单选题】
绝缘良好的电力电缆其不平衡系数一般不大于___。
【单选题】
测电力变压器绕组绝缘电阻时，若绕组额定电压高于1000V则应选用___兆欧表
A. 500V
B. 1000V
C. 2000V
D. 2500
【单选题】
变压器的极性主要取决于___。
A. 所接电源的极性
B. 与之并联运行的变压器极性
C. 绕组的绕向
D. 负载的极性
【单选题】
金属氧化物避雷器75%U1mA电压下泄漏电流应不大于___。
A. 50μA
B. 60μA
C. 40μA
D. 25μA
【单选题】
在直流泄漏试验中，限流电阻的作用___。
A. 保护硅堆
B. 保护被试设备
C. 保护测量仪表
D. 保护人生安全
【单选题】
化学电池的三要素分别为正极、负极、___。
A. 电解液
B. 稀硫酸
C. 自来水
D. 蒸馏水
【单选题】
单相桥式整流电路的输出电压是输入电压的___倍。
A. 0.45
B. 0.9
C. 1.0
D. 1.2
【单选题】
阀控铅酸蓄电池的电解液是___。
A. 净化水
B. 自来水
C. 硫酸
D. 盐水
【单选题】
当人的皮肤被氢氧化钾侵蚀时应及时用___清洗。
A. 肥皂水
B. 净化水
C. 3%硼酸溶液
D. 自来水
【单选题】
放电是蓄电池内化学能转化为___的过程。
【单选题】
蓄电池从外电路获得电能的过程称为___。
【单选题】
直流屏主要由充电装置、___、馈电输出组成。
A. 蓄电池组
B. 辅助装置
C. 浮充装置
D. 微电脑
【单选题】
蓄电池的核对性充放电按规定每年进行___次。
【单选题】
阀控铅酸蓄电池深放电后应尽快___。
A. 停止充电
B. 恢复放电
C. 恢复充电
D. 降低温度
【单选题】
受环境温度影响，阀控铅酸蓄电池使用的实际寿命___设计值。
【单选题】
对馈线屏的要求是电源走向一目了然，负载名称清晰___。
【单选题】
交流失电后，蓄电池继续对控母供电，同时输出___照明电源。
