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【单选题】
患儿,男,13岁,中耳炎导致鼓膜穿孔。关于鼓膜穿孔时的叙述, 错误 的是
A.
空气震动不会经鼓膜引起听觉
B.
空气经穿孔可以直接震动第二鼓膜
C.
声波能引起鼓阶的外淋巴震动
D.
声波震动仍然能兴奋螺旋器
E.
螺旋器能产生神经冲动，经蜗神经传导听觉
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参考答案：
举一反三
【单选题】在生产上,黄瓜常用什么嫁接方法?
A.
劈接法
B.
插接法
C.
贴接法
D.
靠接法
查看完整题目与答案
【单选题】W: You seem to have a lot of work to do at your office. You 're always staying up late and working overtime. M: That's true. But it's no bother to me. The work is interesting. I don't mind the extra h...
A.
He doesn't care much about it.
B.
He enjoys it very much.
C.
He hates working overtime.
D.
The work bored him very much.
查看完整题目与答案
【单选题】W: You seem to have a lot of work to do at your office. You're always staying up late and working overtime. M:That's true. But it's no bother to me. THe work is interesting. I don't mind the extra hou...
A.
He doesn't care much about it.
B.
He enjoys it very much.
C.
He hates working overtime.
D.
The work bored him very much.
查看完整题目与答案
【单选题】尖轨、心轨、基本轨的爬行、窜动量不得超过（）。
A.
大于10mm
B.
大于15mm
C.
大于20mm
D.
大于25mm
查看完整题目与答案
【简答题】尖轨、基本轨爬行、窜动量不大于（）mm。
查看完整题目与答案
【单选题】ZD6-D型电动转辙机日常养护作业检查道岔两杆应平行、方正、不磨卡,两杆下方无杂物,尖轨爬行不大于( )。
A.
5mm
B.
10mm
C.
15mm
D.
20mm
查看完整题目与答案
【判断题】ZD6-D型电动转辙机日常养护作业时检查道岔,要求两杆平行、方正、不磨卡,两杆下方无杂物,尖轨爬行不大于30mm。
A.
正确
B.
错误
查看完整题目与答案
【单选题】尖轨爬行不大于( )mm。
A.
20
B.
10
C.
15
D.
25
查看完整题目与答案
【单选题】尖轨、芯轨、基本轨的爬行，窜动量不得大于（）mm.
A.
30
B.
20
C.
15
D.
10
查看完整题目与答案
【简答题】幼儿洗澡中滑倒，应该自己站起来。()
查看完整题目与答案
相关题目：
【单选题】在生产上,黄瓜常用什么嫁接方法?
A.
劈接法
B.
插接法
C.
贴接法
D.
靠接法
查看完整题目与答案
【单选题】W: You seem to have a lot of work to do at your office. You 're always staying up late and working overtime. M: That's true. But it's no bother to me. The work is interesting. I don't mind the extra h...
A.
He doesn't care much about it.
B.
He enjoys it very much.
C.
He hates working overtime.
D.
The work bored him very much.
查看完整题目与答案
【单选题】W: You seem to have a lot of work to do at your office. You're always staying up late and working overtime. M:That's true. But it's no bother to me. THe work is interesting. I don't mind the extra hou...
A.
He doesn't care much about it.
B.
He enjoys it very much.
C.
He hates working overtime.
D.
The work bored him very much.
查看完整题目与答案
【单选题】尖轨、心轨、基本轨的爬行、窜动量不得超过（）。
A.
大于10mm
B.
大于15mm
C.
大于20mm
D.
大于25mm
查看完整题目与答案
【简答题】尖轨、基本轨爬行、窜动量不大于（）mm。
查看完整题目与答案
【单选题】ZD6-D型电动转辙机日常养护作业检查道岔两杆应平行、方正、不磨卡,两杆下方无杂物,尖轨爬行不大于( )。
A.
5mm
B.
10mm
C.
15mm
D.
20mm
查看完整题目与答案
【判断题】ZD6-D型电动转辙机日常养护作业时检查道岔,要求两杆平行、方正、不磨卡,两杆下方无杂物,尖轨爬行不大于30mm。
A.
正确
B.
错误
查看完整题目与答案
【单选题】尖轨爬行不大于( )mm。
A.
20
B.
10
C.
15
D.
25
查看完整题目与答案
【单选题】尖轨、芯轨、基本轨的爬行，窜动量不得大于（）mm.
A.
30
B.
20
C.
15
D.
10
查看完整题目与答案
【简答题】幼儿洗澡中滑倒，应该自己站起来。()
查看完整题目与答案
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