【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
He suggested a small but [ ] improvement on our former plan; I really appreciate it.
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【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
She held her hand above her eyes to [ ]them [ ] the sun so that she could see more clearly the man in front of her
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
The boy studied the signs for over an hour,but still could not [ ]them, so he turned to his teacher for help
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
They [ ] the developed countries to commit more money to protecting the environment
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
We will continue to care for those [ ] and work to establish a society that is generous and prosperous
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
Many people [ ]careers and raising kids so that they forget that their marriages also need to be taken good care of
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
My most favorite program is the one that deals with scientific subjects that ordinary people can [ ]
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
Finally, I would like to [ ]by saying that it has been a tremendous pleasure to work with you all
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
He is a person that you always [ ]when you need help.
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
This restaurant is very popular because it has some separate, smaller rooms [ ] families with small children
【填空题】
in sb. 's words，count on，make sense of ，reserve for， shield from，call on， sum up， relate to ，in need，
be/ get caught up in
Betty loves reading.[ ],“Reading is the most wonderful thing in the world.”
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
Every one of you has made a contribution and I [ ] knowledging what each of you has done to make this academic convention such a success.
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in
They all tried to talk [ ], but I couldn't hear anything they said
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
Yellow flowers in the field always [ ] me [ ] my childhood in the countryside
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
We have been practicing for so long and so hard that our team should [ ]winning the game
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
Research on genes will [ ] exciting new medical treatments.,
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
My family [ ] on my father's unemployment benefit after he lost his job
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
Many subway riders read books or listent music in order to [ ] their time on the way to work
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
In order to make sure he would be able to attend the meeting, I called him up two weeks [ ]
【填空题】
open the door to，In advance，all at once，reap the benefits (of)， make the most of，over time， get by， stand a chance (of)，remind of， take pleasure in，
In order to [ ]physical exercise, you have to exercise regularly and for at least half an hour each time
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
Mary was a careful speaker, every word seemed to have been [ ] before it was allowed to escape through her lips
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
He has a special feeling for the brilliant birds, and each spring he eagerly [ ] their return
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
Thanks to the [ ] of air transport,everyone is free to go anywhere at any time
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
John believes that the [ ] of food to the hungry is more helpful than giving money
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
When she heard it was snowing in the city they were going to, she [ ] two more sweaters into her bag.
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
During our stay in Europe we visited many places of [ ] interest, including several castles
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
The wedding ceremony of my sister was a very [ ] experience for our family
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
He was [ ]when he discovered that he didn't have enough money to pay for the red wine he had ordered
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
The local government is pressed to find new places to [ ] dump waste
【填空题】
embarrass，polish， emotional， etticiency，curb ，await， donation ，dump，stuff ，historical
The new system designed to [ ] harmful emissions排放物) from factories will be put into use soon
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
It is so difficult to [ ] the bottom of the ocean because some parts are very deep.
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
It was about 30 seconds before Alex [ ] from the water, we were quite scared
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
We often [ ] that when other people do the same things as we do, they do them,for the same reasons; but this assumption is not always reasonable
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
There is widespread concern that the rising unemployment may [ ] a threat to social stability.
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
After a(n) [ ] physical exam, my doctor said I was in good condition except that my blood pressure was a little high
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
7 It is well known that China is a country with rich natural [ ] and a very big population.
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
Some people believe that the earth can [ ] enough food to support at least twice its present population
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
Sam [ ] the gift of imagination from his family, but he lacked the driving power to take action
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
A bee that has found honey is able to [ ] to other bees the information they need in order to collect the honey
【单选题】
在___时间内电流所做的功叫做电功率。P8T40
【单选题】
对单匝线圈来说,其产生的磁通与流过线圈电流的比值叫该线圈的___,也叫电感,用L表示。P11T54
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【判断题】
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【判断题】
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【判断题】
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【判断题】
在正常运行方式下、所有的厂用电源均投入工作，把没有明显断开的备用电源称为暗备用
【判断题】
保安段的工作电源和事故电源之间进行切换时，应先断开其工作电源开关，然后再合上其备用电源开关
【判断题】
厂用电在正常情况下，工作变压器投入，备用电源断开，这种方式叫做明备用
【判断题】
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【判断题】
UPS不停电电源是由整流器、逆变器、静态开关、控制、保护回路组成
【判断题】
接触器按其吸持线圈使用的电源种类可分为直流接触器和交流接触器
【判断题】
厂用电系统中的第二类负荷由两个独立的电源供电，当一个电源失电时，另一个电源迅速手动进行切换，使其恢复供电
【判断题】
厂用电系统中的第一类负荷为常用负荷，一般由单电源供电
【判断题】
同一机炉或在生产流程上相互关联的电动机和其他厂用电设备，应在同一分段上
【判断题】
大型机组设置保安电源的目的是为了机组在厂用电事故停电时，保证安全停机以及在厂用电恢复后快速启动并网
【判断题】
空气、变压器油、SF6都可用做绝缘和灭弧介质
【判断题】
真空灭弧不需要外界供给介质，但开断失败也会发生爆炸事故
【判断题】
真空断路器由于绝缘强度很高，电弧容易熄灭，所以不容易产生危险的过电压
【判断题】
高压设备发生接地时，在室内不得接近故障点 4m 以内的范围
【判断题】
当 UPS 逆变器损坏时，自动切换到 220V 直流对UPS供电
【判断题】
保安母线的常用电源与备用电源是采用不停电切换的
【判断题】
通常当 6kV 母线零序保护动作时，不切换厂用电
【判断题】
真空接触器主要由真空灭弧室和操作机构组成。真空灭弧室具有通过正常工作电流和频繁切断工作电流时可靠灭弧两个作用，同时能切断过负荷电流和短路电流
【判断题】
UPS在正常市电供应下，整流器将交流市电转换为直流电源后，供电给逆变器，整流器的输出电压调整的数值比220V蓄电池组电压高，蓄电池组不输出电流
【判断题】
当UPS逆变器发生异常状况，像温度过高、短路现象、输出电压异常或负载超载等情形，超过逆变器可承受范围时，逆变器会自动切断以防止损坏。若此时市电正常时，静态开关会将电源供应转为由备用电源（旁路电源）输出给负载使用
【判断题】
当UPS三相半控桥式整流器故障时，整流器自动退出运行，自动切换至旁路电源供电
【判断题】
厂用电快切并联切换：采取先合上备用电源，两电源短时并联，再跳开工作电源。这种方式多用于正常切换，如起、停机
【判断题】
厂用电快切串联切换：采取先跳开工作电源，在确认工作开关跳开后，再合上备用电源，此种方式多用于事故切换
【判断题】
厂用电快速切换能否实现，仅取决于开关条件和运行方式
【判断题】
厂用电快切不正常情况切换只能是单向切换，即只能由工作电源切向备用电源切换
【判断题】
熔断器的熔断时间与通过的电流大小有关。当通过电流为熔体额定电流的两倍以下时，必须经过相当长的时间熔体才能熔断
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低压熔断器所用熔体材料必须采用低熔点金属材料
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蓄电池在放电过程中，电解液中的水分增多，浓度和比重下降
【判断题】
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【判断题】
正常运行中直流母线联络刀闸在“断开”位
【判断题】
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