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问题 单项选择题

在检修作业中，电动转辙机的调整包括尖轨密贴的调整、表示杆缺口的调整和（）。

A、摩擦电流的调整

B、动作电流的调整

C、动作电压的调整

D、表示电压的调整

答案

参考答案：A

改错题

One day I happened to find chat room on QQ,where people were chatting with English.I tried to chat with some of them.To my surprise,I find that the spoken English of some junior students was better than me.I asked them for advices and they told me to practice more on QQ.But every day after school I would spend one hour practice my spoken English on QQ.Day after day I learned much useful words and expressions.As time going by,I found that I could even communicate with some college students free.
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单项选择题

洋地黄中毒的治疗措施是

A．停服洋地黄，补充钾盐，出现快速型心律失常时应用苯妥英钠或利多卡因，缓慢型心律失常时应用阿托品或安装临时起搏器

B．停用洋地黄，心律失常时用奎尼丁或心律平

C．减量洋地黄，加强利尿剂控制心力衰竭

D．停用洋地黄，改用血管扩张剂和利尿剂控制心力衰竭
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