题目内容

This place is so crowded What shall we do about it?

A. I suggest we should evacuate the theatre as quickly as possible to avoid a trample
B. I advise you not to enter the theatre in order to avoid a trample
C. I’d like to give a tip that you may leave here quickly to avoid a trample
D. I made a suggestion that we cancel the performance immediately to avoid a trample

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50kg/m及以下钢轨,辙叉心宽40mm断面处,辙叉心垂直磨耗其他站线超过()时达到轻伤标准。

Can we use this material for the decoration of the exhibition hall?

A. Yes. Any available material will do for this job
B. Yes. Water-proof material for the decoration of the hall will be used for the interior decoration
C. No. Fire-proof materials should be used for the interior decoration
D. No. Only highly-cost materials should be used for the interior decoration

50kg/m及以下钢轨,辙叉心垂直裂纹长度(含轨面部分裂纹长度),两条裂纹相加超过()时,应及时更换及焊修。

正线曲线半径为650m,缓和曲线的正矢与计算正矢差允许为()。

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