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109.和谐型电力机车换端前将大闸放置重联位,插上防脱插销,小闸置___位。
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110.和谐型电力机车冷却系统主要包括___系统冷却、主变流装置系统冷却、牵引电动机冷却、辅助电源装置冷却、空气压缩机的冷却及包括卫生间通风及车内换气等。
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111.和谐型电力机车制动系统采用的是克诺尔的___型和法维莱制动机。
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112.CCBⅡ型制动机主要由LCDM制动显示屏、EBV___、集成处理模块IPM、继电器接口模块RIM和电空控制单元EPCU等组成。
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113.和谐型电力机车升弓前,首先需确定总风缸压力在___ kPa以上。
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115.当牵引电动机通风机发生故障隔离时,只有对应的___和牵引电动机停止工作。
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116.和谐型电力机车辅助变流器向牵引通风机电机和压缩机电机等辅助机器供给___交流电。
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117.和谐型电力机车弹停装置动作,且弹停塞门___关闭时,如要缓解弹停装置,必须在走行部的___上进行手动缓解。
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118.和谐型电力机车采用___方式,当负载分配不均匀时,均可以通过牵引变流器的控制进行适当补偿,以实现最大限度地发挥机车牵引力。
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119.CCBⅡ制动机在___状态,自动制动手柄在制动区,如果列车管有泄漏,总风将不会自动给列车管补风。
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120.主变压器油泵发生故障隔离时,其对应的___和牵引电动机全部停止工作。
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121.当控制风压低时,由___提供升弓所需的风压。
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122.合蓄电池开关后,电压不得低于___ V。
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123.当使用动力制动时,牵引电动机作为___电机。
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124.司机操纵台整体脚踏包括的脚动控制设备有无人警惕安全装置 、撒砂装置和___。
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125.换端操纵时,非操纵端的大闸必须保证在“___”位。
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126.无论牵引客、货车,均严禁使用制动机的“___”功能。
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127.小闸放到全制动位制动缸压力上升到___kPa。
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128.司机控制器是机车的主令控制电器,用来转换机车的___工况,改变机车的运行方向。
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129.机车无火回送时,将制动柜内ERCP上的无火回送塞门打到___位。
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130.和谐型机车供电制式为单相交流25kV,___Hz 。
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131.停放制动作为一种___制动,用来防止机车停放时意外溜放。
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132.轴端接地装置是一个用于实现网侧电路从电网到钢轨回路作用并且是轴向运行的滑行触头,其也用于机车___保护。
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133.___装置是一个用于实现网侧电路从电网到钢轨回路作用并且是轴向运行的滑行触头,其也用于机车接地保护。
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134.CCBII空气制动控制系统是一个为货运和客运机车设计的、以网络为基础的___空气制动系统。
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135.CCB II合并了许多___功能,如果发生故障,CCB II具有独特的识别、重新配置、备份主要部件的能力。
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136.机车的轮对驱动系统结构由___、轴箱、牵引电机、齿轮箱、抱轴承等零部件组成。
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137.进入定速控制模式,机车将根据实际行驶速度与定速期望目标速度的差异,自动进行___的快速转换,控制机车行驶速度不变。
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138.如果机车司机不能正确的操作无人警惕安全装置,在开始紧急制动之前将给出视觉和___报警。
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139.HXD1C型电力机车在正常情况下,受电弓选择开关位应该在“___”位,升后弓。
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140.HXD1C型电力机车如果空气制动施加且机车速度大于___km/h,牵引将切除。
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141.HXD1C型电力机车在升弓命令最晚___分钟之后,必须闭合主断路器,否则降弓以保护蓄电池。
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142.HXD1C型电力机车,在机车使用单独制动并且制动缸压力大于___ kPa时,电制动不可用。
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143.HXD1C型电力机车,机械间通风支路的冷却空气由辅助逆变器柜___提供,冷却机械间后,经车顶通风窗和压缩机散热排风口排出车外。
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144.HXD1C型电力机车,空气供应系统安装有一个低压保护装置,当总风缸压力低于___Pa时,低压保护装置经MMI显示屏发送一个信号给司机。
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145.HXD1C型电力机车,停放制动没有缓解同时机车速度大于___ km/h将触发惩罚制动。
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146.HXD1C型电力机车25T轴重时启动牵引力为___ kN。
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147.HXD1C型电力机车最大速度为___ km/h。
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148.HXD1C型电力机车,自动换端时,___分钟内没有司机室被再次占用,所有辅机和HVB应断开,同时受电弓应降下,然后“自动换端”程序结束。
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149.HXD1C型机车的牵引电动机为交流异步电动机,额定功率___ kW。
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150.HXD1C型机车的轮对驱动系统,牵引电机采用___悬挂,由轮对、轴箱、牵引电机、齿轮箱、抱轴等主要零部件组成。
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中国共产党要把______这场伟大的革命进行好,党必须进行自我革命,全面增强党的执政本领。 ___
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党是最高政治领导力量,是推进伟大事业的( )保证。 ___
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According to one study, what do green spaces do to people? ___
A. Improve their work efficiently.
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What does Dr. White say people usually do to make themselves happier? ___
A. Earn more money.
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What does Dr. White try to find out about living in a greener urban area? ___
A. How it affects different people.
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What did Dr. White’s research reveal about people living in a green environment? ___
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According to Dr. White, what should the government do to build more green spaces in cities? ___
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D. Raise public awareness of the issue.
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The survey by the Kaiser Family Foundation is mentioned to illustrate the idea that . ___
A. kids don’t always follow parents’ rules
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What did the kids do when parents set any time or content limits, according to the Kaiser Family Foundation? ___
A. They cut down on their screen time.
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What will Kenneth Ginsburg most probably suggest that parents should do? ___
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Margaret Broe -Fitzpatrick finds it impossible. ___
A. to achieve just- right parenting
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The passage is mainly intended for parents . ___
A. whose kids have difficulty in self- discipline
B. whose kids are addicted to media use
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【单选题】
The word “it” (Para. 2) most probably refers to. ___
A. the lack of stable communities
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The main problem people may encounter today arises from the fact that . ___
A. they have to learn new things consciously
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From the passage we can infer that _______. ___
A. electronic mail will soon play a dominant role in transmitting messages
B. it will become more difficult for people to keep secrets in an information era
C. people will spend less time holding meetings or conferences
D. events will be reported on the spot mainly through satellites
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Technology facilitates _______. ___
A. sharing information
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C. providing people with easy access to more information
D. all of the above
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We can learn from the last paragraph that _______. ___
A. it is necessary to obtain as much
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The author thinks that people are _________. ___
A. satisfied with their appearance
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C. far from neglecting what is in fashion
D. reluctant to follow the trends in fashion
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Fashion magazines and TV advertisements seem to link fashion to _________. ___
A. confidence in life
B. personal dress
C. individual hair style
D. personal future
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Causes of fashions are _________. ___
A. uniform
B. varied
C. unknown
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Present-day society is much freer and easier because it emphasizes _________. ___
A. uniformity
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C. informality
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Which is the main idea of the last paragraph? ______________ ___
A. Care about appearance in formal situations.
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C. Ignoring appearance in informal situations.
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【单选题】
Permissive parents would ________. ___
A. let their children read any books they like to
B. not let their children see any films they like to
C. not let their children read any books without first checking their contents
D. let their children see the films with their first checking
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The fact that parents check the contents of the book or the film for their children to read or see shows __________. ___
A. the necessity of censorship
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C. that children need their parents to help them understand more
D. that the parents are permissive
【单选题】
Which of the following statements is NOT true?____________ ___
A. Some adults can’t tell right from wrong.
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C. Censors pay attention only to genuine works of art.
D. Censorship is necessary because many books, plays and films are far from being “works of art”.
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What does the word “corrupt” in Para.4 mean?__________ ___
A. Make morally bad.
B. Hurt.
C. Injure.
D. Damage.
【单选题】
What would be the best title of this passage?_____________ ___
A. Permissive Parents and Responsible Parents.
B. Censorship and the Law.
C. Censors Value Artistic Merits .
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Lie detectors are widely used in the United States because _____________. ___
A. they can help detect people’s emotional stress
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D. they can measure the subject’s electrical resistance
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According to the passage, we know that Britain______________. ___
A. will adopt lie detectors widely
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The tests themselves are by no means free from error..." (Line 1-2.Para.3) means ____________. ___
A. the tests definitely have no error
B. the tests sometimes make mistakes
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Which of the following is true? ________________ ___
A. The tests are conducted by qualified polygraphers.
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C. Guilty people can definitely be found out by answer questions
D. Guilty people may escape by refusing to answer questions.
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What troubles lie detector researchers most is that _______________. ___
A. innocent people are convicted crimes
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In the passage the author's attitude towards "mixed-ability teaching" is _______. ___
A. critical
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By "held back" (Line 1) the author means _____. ___
A. made to remain in the same classes
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The author argues that a teacher's chief concern should be the development of the student's _________. ___
A. personal qualities and social skills
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Which of the following is NOT MENTIONED in the third paragraph? __________ ___
A. Group work gives pupils the opportunity to learn to work together with others.
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D. Pupils also learn how to participate in teaching activities.