试题与答案

巷道支架所能承受的变形量,应与巷道使用期间围岩可能的变形量相适应。

题型:判断题

题目:

巷道支架所能承受的变形量,应与巷道使用期间围岩可能的变形量相适应。

答案:

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参考答案:A

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题型:改错题

I went to a group activity, “Sensitivity Sunday”, which was to make us more aware of the problems were faced by disabled people. We were asked to “adopt ﹀disability” for several hours on one Sunday. Some members, as me, chose the wheelchair. Other wore sound-blocking earplugs or blindfolds. Just sitting in the wheelchair is a learning experience. I had never considered before how awkwardly it would be to use one. As soon as I sat down, my weight made the chair begin to roll with its wheels were not locked. Then I wondered how to put my feet. It took me quite a while to get the metal footrest into place. My wheelchair experiment was soon finished. It made a deep expression on me.

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