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【单选题】
11. — Mum, could I have ____________ to drink? — Oh, dear.You can only drink some water.There is _________ in the kitchen. A. anything; else something B. anything; something else C. something; else nothing D. something; nothing else
A. A
B. B
C. C
D. D
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答案
D
解析
D
相关试题
【单选题】
12. We all know that learning a foreign language _______ time and effort. A. requires B. reduces C. removes D. repeats
A. A
B. B
C. C
D. D
【单选题】
13. Her son __________ Coke, but now he __________ milk. A. is used to drinking; used to drink B. used to drink; uses to drink C. used to drink; is used to drinking D. is used to drink; is drinking
A. A
B. B
C. C
D. D
【单选题】
14. I don’t know the teacher is talking with Miss Wang. A. what B. whom C. who D. which
A. A
B. B
C. C
D. D
【单选题】
15.Millie does __________ that many people are thankful to her. A. such an important and helpful job B. so important and helpful work C. a very important and helpful job D. such an important and helpful work
A. A
B. B
C. C
D. D
【单选题】
16. I think eating more vegetables is good _______ our health. —Yes, I agree _______ you. A. at, to B. for, with C. to, to D. for, to
A. A
B. B
C. C
D. D
【单选题】
17. I often go on holiday with my parents _____ summer. A. in B. at C. on D. of
A. A
B. B
C. C
D. D
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered. Sorry, I ______ with my friends at that time. A. had swum B. swam C. would swim D. was swimming
A. A
B. B
C. C
D. D
【单选题】
19.––Who is on the playground? ---__________.    A. Never B. None C. No one D. A lot
A. A
B. B
C. C
D. D
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday. A. helps B. helped C. will help D. has helped
A. A
B. B
C. C
D. D
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st. —________exciting news! We shall try our best to support it. A. How B. How an C. What D. What an
A. A
B. B
C. C
D. D
【单选题】
22. They preferred ______ in bed rather than _____ horses.    A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
A. A
B. B
C. C
D. D
【单选题】
23. —What was Jim wearing at the party? — Nothing _______. He was in his usual shirt and jeans. A. special B. simple C. important D. interesting
A. A
B. B
C. C
D. D
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there? Maybe, if possible. A. are held B. will be held C. were held D. have been held
A. A
B. B
C. C
D. D
【单选题】
25. — David, look at the man in white over there.Can you tell me _______ ? —He is a doctor.    A. who is he B. who he is C.what does he do D. what he does
A. A
B. B
C. C
D. D
【单选题】
( ) 26.With help from a Mr. H, you can__________. A. stop wearing your watch B. get new books and objects C. finish your homework on time D. know when parents or teachers are near
A. A
B. B
C. C
D. D
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________. A. repair your TV B. put away your books and objects C. become a James Bond D. get a daily weather report
A. A
B. B
C. C
D. D
【单选题】
( ) 28. You can get your Mr. H for___________. A. $299 B. $499 C. $199 D. $99
A. A
B. B
C. C
D. D
【单选题】
( ) 29. When was canned food invented? A. In 1870.          B. In 1810. C. In 1902.          D. In 1926.
A. A
B. B
C. C
D. D
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________. A. canned food             B. can openers C. frozen food           D. air conditioning
A. A
B. B
C. C
D. D
【单选题】
( ) 31. Changes in weather _____________ in Willis Carrier's company. A. helped to keep food           B. made rooms comfortable C. caused health problems        D. hurt printing paper
A. A
B. B
C. C
D. D
【单选题】
( ) 32. According to the passage, which of the following may lead to inventions? A. People's needs.             B. Public support. C. Modern technology.          D. Practical suggestions.
A. A
B. B
C. C
D. D
【单选题】
( ) 33. What is the writer's main purpose(目的)in writing this passage?    A.To tell the readers his life story.    B.To tell people what kind of person his father was.    C.To tell the readers what present he got from his father.    D. To let people know how poor he was.
A. A
B. B
C. C
D. D
【单选题】
( ) 34. Why did the father not ask his son not to do this and do that?    A.Because he felt quite confident of his son.    B.Because he was born from a poor family.    C.Because he was a man of few words.    D.Because he didn't want to be much too strict with his son.
A. A
B. B
C. C
D. D
【单选题】
( ) 35. What would someone learn from this passage?    A.How to live by oneself. B.How to stand on one's own feet.    C.What a good father should do. D.What the self-important is like.
A. A
B. B
C. C
D. D
【单选题】
( ) 36. What may be the proper Chinese for the underlined part in the passage?    A.闲暇时光 B.学费 C.精神空虚 D.经济不足
A. A
B. B
C. C
D. D
【单选题】
( ) 37. The Chinese Yellow Sea Wetlands are in the _______ of China.    A.south           B.east    C.west            D.north
A. A
B. B
C. C
D. D
【单选题】
( ) 38. Usually the weather in the wetlands is _______.    A.hot             B.pleasant   C.cold            D.dry
A. A
B. B
C. C
D. D
【单选题】
( ) 39. The World Wetlands Day is on _______.    A.February 2        B.June 25   C.April 22      D.March
A. A
B. B
C. C
D. D
【单选题】
( ) 40. We must protect wetlands because _______. A.they are home for wildlife   B.they can prevent flood    C.they can offer food to the animals and birds D.all of the above
A. A
B. B
C. C
D. D
【单选题】
) 1. —Is it far from here to the bank? —Not very, only________. A. 20 minute’s walk B. 20 minutes walk C. 20 minutes’ walk D. 20 minutes’ walks
A. A
B. B
C. C
D. D
【单选题】
2. — After discussing, the students ________ some good ideas to work on the project. — Thats great! A. put up B. set up C. caught up with D. came up with
A. A
B. B
C. C
D. D
【单选题】
3. Yesterday Tommy walked past my table and ______ my bowls and dishes. He should be careful next time. A. knocked off B. took off C. showed off D. turned off
A. A
B. B
C. C
D. D
【单选题】
4.We don’t have enough nurses to look after patients.At least ___ nurses are needed. A. ten another B. more ten C. another ten D. other ten
A. A
B. B
C. C
D. D
【单选题】
5. — Zhao Rui, it’s said that many famous singers will come to Yangzhou on April 18th. How about watching the evening show there? —________! Let’s ask Huang Tao to go with us. A. Best wishes B. Sounds great C. Good luck D. That’s OK
A. A
B. B
C. C
D. D
【单选题】
6.—Hello! This is Henry Speaking.I’d like to speak to your father. —Sorry, he has Shanghai. A. been in B. been to C. come to D. gone to
A. A
B. B
C. C
D. D
【单选题】
7. — It’s difficult for the village children to cross the river for school. — I think a bridge ______ over the river. A. was built B. is being built C. has been built D. should be built
A. A
B. B
C. C
D. D
【单选题】
8. —Where would you like to go, Jinan or Qufu? — .I only want to go to Qingdao. A. Each B. Either C. Neither D. All
A. A
B. B
C. C
D. D
【单选题】
9 — The documentary A Bite Of China II is quite popular around China recently. How do you like it? ______. A. I think so B. Pretty good C. Its my pleasure D. All right
A. A
B. B
C. C
D. D
【单选题】
10. There are three English-books on the shelf, but ______ of them is mine. A. both B. neither C.all D. none
A. A
B. B
C. C
D. D
【单选题】
11. When the parents arrived at the hall, the students _______ their projects. A. have finish B. finished C. had finished D. are finishing
A. A
B. B
C. C
D. D
推荐试题
【多选题】
高压断路器按灭弧介质不同有___。
A. 压缩空气断路器;
B. 少油.多油断路器;
C. SF6断路器;
D. 真空断路器;
【多选题】
GIS的特点___。
A. 小型化;
B. 可靠性高.安全性好;
C. 杜绝对外部的影响;
D. 安装周期短.维护方便.检修周期长;
【多选题】
GIS设备的常见故障处理有___。
A. 当气室内部电气元件发生异常响声时,应根据声音变化判别是屏蔽罩松动,内部有异物,当出现明显放电声时应采取停电处理;
B. 设备防爆膜破裂,说明内部出现严重的绝缘问题,电弧使设备部件损坏,引起内部压力超过标准,必须进行停电处理;
C. 室外GIS设备发生爆炸和严重漏气等事故时,人员接近设备应选择从上风侧接近设备,穿安全防护服并佩戴隔离式防毒面具,手套和护目眼镜;
D. 室内GIS设备发生爆炸或严重漏气,必须通风机全部开启51min以上,待含氧量和SF6气体浓度符合标准,并采取充分措施准备后,才能进入事故设备装置室进行检查;
【多选题】
断路器的拒跳故障可引起___。
A. 大范围停电;
B. 短路故障;
C. 越级跳闸;
D. 断路器损坏;
【多选题】
断路器出现___异常时应停电处理。
A. 油断路器渗油;
B. SF6断路器的气室严重漏气发出操作闭锁信号;
C. 真空断路器真空损坏;
D. 液压机构的断路器液压突然失压到零;
【多选题】
断路器出现___异常时应停电处理。
A. 油断路器渗油;
B. SF6断路器的气室严重漏气发出操作闭锁信号;
C. 真空断路器真空损坏;
D. 液压机构的断路器液压突然失压到零;
【多选题】
高压断路器按灭弧介质不同有___。
A. 压缩空气断路器;
B. 少油.多油断路器;
C. SF6断路器;
D. 真空断路器;
【多选题】
GIS母线共相式与分相式比较主要优点___。
A. SF6气体密封件用具小;
B. 气室隔板少,故障率低;
C. 电场优化较好;
D. SF6气体使用量大;
【多选题】
GIS母线共相式与分相式比较主要优点___。
A. SF6气体密封件用具小;
B. 气室隔板少,故障率低;
C. 电场优化较好;
D. SF6气体使用量大;
【多选题】
隔离开关与断路器的联锁机构的结构特点是___。
A. 断路器断开后,隔离开关才能打开;
B. 隔离开关断开后,断路器才能打开;
C. 断路器闭合后,隔离开关才能闭合;
D. 隔离开关闭合后,断路器才能闭合;
【多选题】
电压互感器是供给___用电的电源设备。
A. 继电保护;
B. 自动装置;
C. 测量仪表电流线圈;
D. 测量仪表电压线圈;
【多选题】
电压互感器的二次回路通电试验时,为防止由二次侧向一次侧反充电,除应将二次回路断开外,还应取下电压互感器___或断开电压互感( )。
A. 高压熔断器;
B. 一次刀闸;
C. 引线;
D. 避雷器;
【多选题】
电压互感器正常巡视的项目有___。
A. 瓷件有无裂纹损坏或异音放电现象;
B. 检查温度计是否正常工作;
C. 接线端子是否松动;
D. 电压指示无异常;
【多选题】
下列对电压互感器描述正确的是___。
A. 10kV电压互感器一次侧熔断器熔丝的额定电流是0.5A;
B. 电压互感器一次侧熔丝熔断后不允许用普通熔丝代替由于不能满足断流容量要求;
C. 若电压互感器二次侧熔丝容量选择不合理,有可能造成一次侧熔丝熔断;
D. 110KV的电压互感器采用石英砂填充的熔断器具有较好的灭弧性能和较大的断
【多选题】
电流互感器应在___方式下运行。
A. 电流互感器不得超额定容量长期运行;
B. 电流互感器二次侧电路应始终闭合;
C. 电流互感器二次侧线圈的一边和铁芯应同时接地;
D. 电流互感器二次侧线圈应能耐受高压;
【多选题】
电压互感器正常巡视的项目有___。
A. 瓷件有无裂纹损坏或异音放电现象;
B. 检查温度计是否正常工作;
C. 接线端子是否松动;
D. 电压指示无异常;
【多选题】
蓄电池在使用中应避免的是___。
A. 过量放电;
B. 过量充电;
C. 大电流充.放电;
D. 低温放电;
【多选题】
运行中的电流互感器发生不正常音响的原因有___。
A. 电流互感器过负荷;
B. 二次侧开路;
C. 二次侧短路;
D. 内部绝缘损坏发生放电;
【多选题】
电容器停电后,放电电阻自行放电放不尽的主要原因是___。
A. 电容器容量大;
B. 引线接触不良;
C. 熔丝熔断;
D. 电容器内部断线;
【多选题】
在电力系统中通常采用并联电容是为了___。
A. 提高无功功率;
B. 提高有功功率;
C. 减少线损;
D. 提高供电电压;
【多选题】
电容器具有___性能。
A. 隔断交流电;
B. 隔断直流电;
C. 通过直流电;
D. 通过交流电;
【多选题】
使用变频器应注意的事项有___。
A. 变频器输入端要尽量装接断路器;
B. 变频器输出端尽量装设接触器;
C. 变频器输出端要尽量装设电涌抑制器;
D. 面板上的CHARGE灯熄灭后方可进行检修;
【多选题】
消弧线圈送电规定___。
A. 消弧线圈投用前不需测量绝缘电阻;
B. 消弧线圈应在所属变压器投运后投入;
C. 消弧线圈投用必须是在系统无单相接地时;
D. 合上消弧线圈隔离开关后必须检查刀闸接触良好;
【多选题】
消除铁磁谐振过电压方法有___。
A. 拉合断路器,改变运行方式,投入母线,改变接线方式;
B. 投入母线上的备用变压器或所用变压器;
C. 将TV二次回路短接;
D. 投.切电容器或电抗器;
【多选题】
倒停母线时切母联断路器应注意___。
A. 对要停电的母线再检查一次,确认设备已全部倒至运行母线上;
B. 切母联断路器前,检查母联断路器电流表应指示为零;
C. 切母联断路器后,检查停电母线的电压表应指示零;
D. 先拉电压互感器,后切母联断路器;
【多选题】
单母线接线的10kV系统发生单相接地后,经逐条线路试停电查找,接地现象仍不消失可能是___原因。
A. 两条线路同时同相接地;
B. 消弧线圈有接地;
C. 站内母线设备接地;
D. 主变线圈有接地;
【多选题】
可能是___原因。
A. 两条线路同时同相接地;
B. 消弧线圈有接地;
C. 站内母线设备接地;
D. 主变线圈有接地;
【多选题】
判别母线失电的依据是同时出现___现象。
A. 该母线的电压表指示消失;
B. 该母线的出线负荷均消失;
C. 该母线所供的所用电失电;
D. 母线差动保护动作;
【多选题】
以下属于旁路母线接线方式的是___。
A. 专用旁路断路器;
B. 双母线接线方式;
C. 母联断路器兼做旁路断路器;
D. 分段断路器兼做旁路断路器;
【多选题】
变频器按逆变器控制方式分有___。
A. U/f控制方式变频器;
B. 转差频率控制方式;
C. 矢量控制方式;
D. 电流源变频装置;
【多选题】
运行中断路器发生误跳闸应作___处理。
A. 若因由于人员误碰,误操作或机构受外力振动,保护盘受外力振动引起自动脱扣而"误跳"应不经汇报立即送电;
B. 若保护误动可能整定值不当或流变.压变回路故障引起的,应查明原因后才能送电;
C. 二次回路直流系统发生两点接地(跳闸回路接地)引起应及时排除故障;
D. 对于并网或联络线断路器发生"误跳"时应立即送电;
【多选题】
保护装置"交流电压断线"时装置会___。
A. 发"PT断线"异常信号;
B. 退出零序保护;
C. 退出距离保护;
D. 退出纵联保护;
【多选题】
继电保护装置信号回路的特点是___。
A. 交流.直流回路分开;
B. 信号回路与控制回路分开;
C. 继电保护信号不作用于跳闸;
【多选题】
母线保护的死区一般是在___。
A. 母联断路器与母联电流互感器之间;
B. 线路断路器与线路电流互感器之间;
C. 分段断路器与分段电流互感器之间;
D. 母线上;
【多选题】
三段式电流保护中,对延时电流速断保护的要求有___。
A. 任何情况下能保护线路全长;
B. 具有足够的灵敏性;
C. 力求动作时限最小;
D. 作为下一级线路全长的后备保护;
【多选题】
故障录波通常录___。
A. 电压量;
B. 电流量;
C. 开关量;
D. 高频信号量;
【多选题】
变压器只有轻瓦斯保护动作的原因可能是___。
A. 过负荷;
B. 相间短路;
C. 绕组匝间短路;
D. 油位下降;
【多选题】
在___情况下需要将运行中的变压器差动保护停用。
A. 差动二次回路及电流互感器回路有变动或进行校验时;
B. 测定差动保护相量图及差压和不平衡电流;
C. 差动电流互感器一相断线或回路开路时;
D. 差动误动跳闸后或回路出现明显异常时;
【多选题】
在下述___情况下,变压器零序电流保护的整定电流可能启动。
A. 当电力系统出现不平衡运行时;
B. 空投变压器时;
C. 三相断路器合闸不同期时;
D. 非并列运行断路器三相接触电阻不相同时;
【多选题】
通常的母线保护包括___。
A. 一相不完全式;
B. 两相不完全式;
C. 三相完全式;
D. 横差回路;
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