正线出站信号机未开放时，进站信号机的（）信号不能开放；主体信号机未开放时，预告信号机

发布时间：2017-09-09 06:35 │ 来源：www.tikuol.com

题型：单项选择题

问题：

正线出站信号机未开放时，进站信号机的（）信号不能开放；主体信号机未开放时，预告信号机或复示信号机不得开放。

A、出站

B、通过

C、调车

D、引导

考点：信号工考试信号工技师信号工技师题库

题型：单项选择题

Last Saturday, Tony went to see Benny. But he didn't know 26 Benny lived. 27 the way, he stopped in front of a yellow house, and asked an old woman the 28 to Benny's house. "His house is not far from my house," said the woman. "It's behind the trees. But you can't get there 29 You can go there by bus. It'll 30 you hours to get there 31 foot. " "What's 32 with her?" Tony thought, "I can see Benny's house from here now. It's behind the 33 ."
Then Tony walked to the other side of the trees. He found the old woman was 34 There was a river in front of him, and he couldn't see a boat. The house was on the other side of the 35 .

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题型：单项选择题

=(sinθ，2cosθ)，(θ∈R)．
（1）若

=(1，-1)，且

，求tanθ的值；
（2）若

=(cosθ，2sinθ)，求|

|的最大值．

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题型：单项选择题

孕妇24岁，G2P1，孕40周，破水14小时，有规律宫缩10小时，胎儿手脱出 * * 口来院。检查：产妇神志清，痛苦面容。腹痛拒按，烦躁不安。脉搏、呼吸快，胎心不清，约160次/分。

对该孕妇的最佳处理措施是

A．抑制宫缩同时剖宫产术前准备

B．乙醚麻药下行内倒转术

C．抗休克治疗

D．剖宫产术

E．消毒胎儿手后送回 * * 内

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题型：单项选择题

以下隧道排水作业的规定中，错误的是（）。

A.隧道内反坡排水方案应根据距离、坡度、水量和设备情况确定，抽水机排水能力应大于排水量10%，并应有备用台数

B.隧道内顺坡排水沟断面应满足隧道排水需要

C.膨胀岩、土质底层，围岩松软地段应铺砌水沟或

D.遇渗漏水面积或水量突然增加，应立即停止施工，人员撤至安全地点

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题型：单项选择题

第一产程中哪项不是温肥皂水灌肠的禁忌证

A．胎膜早破
B．胎位异常
C．初产妇宫口扩张4cm以上
D．见红
E．先兆流产

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