[多选题] "下列（ABCD ）情况接触轨不需停电挂地线。
A.接触轨区域设备故障或出现其他影响行车情况下，通过疏散平台巡视。
B.登乘电客车或工程车，通过疏散平台进/出泵房。
C.使用绝缘工器具处理轨行区异物。
D.正线人工手摇道岔（与带电接触轨距离大于700mm）。"

热门试题:

[单选题]慢性肺心病并发心律失常最多表现为
A.室性期前收缩
B.房性期前收缩
C.心房扑动
D.心房颤动
E.心室颤动

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[单选题]引起皮下包块的寄生虫是
A.华枝睾吸虫
B.链状带绦虫
C.肥胖带绦虫囊尾蚴
D.链状带绦虫囊尾蚴

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[单选题]往控制装置蓄能器胶囊里面充气前，要（）。
A.卸掉蓄能器油压
B.关闭泄压阀
C.打开液旁通阀
D.打开气旁通阀

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[单项选择]中暑是因（）时间的日光曝晒或高温而引起的。
A. 较长
B. 较短
C. 很短
D. 短

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[填空题]

Letter One

Dear Sirs,
On 5th October I bought one of your expensive "Apollo" fountain pens from Julian’s, a big department store of this town. Unfortunately I have been unable to use the pen because it leaks and fails to write without making blots. I am very disappointed with my purchase.
On the advice of Julian’s manager I am returning the pen to you and enclose it with this letter for correction of the fault.
Please arrange for the pen to be fixed or replace it with a new one and send it to me as soon as possible.

Letter Two

Dear Sirs,
Thank you for your letter of 9th October enlosing the defective "Apollo" fountain pen, received today. We very much regret that the pen you bought has given you trouble.
Normally each of our pens is individually examined before being passed into store and it is har

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[单项选择]下面程序段的输出结果是
class Test
public static void main(String args[])
MyThread t=new MyThread（　）；
t.displayOutput("t has been createD) ";
t.start（　）;

class MyThread extends Thread
public void displayOutput(String s)
System.out.println(s);

public void nm（　）
displayOutput("t is running. ");

A. t has been created.
B. t has been created.
C. t is running.
D. 编译出错

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[多项选择]苯海拉明的药理作用包括
A. 镇静作用
B. 对抗组胺H1受体效应
C. 抗胆碱作用
D. 局部麻醉作用
E. 止吐作用

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[判断题]电流对人体的伤害包括电击和电伤两种。
A.正确
B.错误

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[多项选择]在MMPI测试中，A因子得分高的受测者可能是（）。
A. 部分正常人
B. 重性精神病人
C. 神经症患者
D. 病态人格患者

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[单选题]为保证可靠性，在设计上要求保护装置（例如母差保护等）出口先跳母联，后跳其它N台断路器的，应按动作（）次评价。
A.1
B.N
C.N+1
D.N+2

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[单选题]肾损伤的常见症状是
A.休克
B.血尿
C.疼痛
D.腰部肿块
E.发热

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[单选题]在小接地电流系统中发生单相接地短路时,为使电压互感器开口三角电压3U0为100伏,电压互感器的变比应选用(____)
A. UN/√3 /100/√3 / 100
B. UN /√3 /100/√3 / 100/√3
C. UN /√3 /100/√3 / 100 / 3