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自动闭塞区间的通过信号机加装容许信号时，显示红灯时，货物列车不必在信号机前停车。
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第4题
对数据进行验证（validate），意思是指保证数据在合适的范围之内。 Validate data means to ensure that the data is within the appropriate range.
第9题
Usually a speech of presentation is made at an award ceremony and is always followed by a speech of acceptance.
第11题
I should say he is not _________ a scholar as a writer.
A、too much
B、very much
C、so much
D、as much
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