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问题 多项选择题

最高运行速度为200km/h，验收线路时，正线轨道静态几何尺寸允许偏差（）。

A.高低2mm（弦长10m）

B.轨向1mm（弦长10m）

C.轨距为±2mm

D.轨距变化率1/1500

答案

参考答案：A, C, D

阅读理解

阅读理解

It was Zhang Lei’s first time to visit Singapore. He lived in his uncle’s home. It was sunny most days. He visited many places and had many kinds of nice food. Linda spent her vacation in Hawaii. She had a great time there. The beaches were beautiful and the weather was fine.  She had lots of delicious food.  People there were friendly. Mrs. Brown didn’t enjoy her vacation in London. The bus trip was boring.  And it rained every day, so she stayed at the hotel for 6 days. On the last day, she went shopping.  But the shops were crowded and things were really expensive.

根据短文内容，回答下列问题。

小题1:Where did Zhang Lei live when he was in Singapore?

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小题2:How was the weather in Singapore?

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小题3:Where did Linda go on vacation?

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小题4:How were the people in Hawaii?

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小题5:Why did Mrs. Brown stay in the hotel for 6 days?

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问答题 简答题

怎么能够超越二元对立呢？
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