矿井下巷道遇断层时的征兆？_爱下问搜题

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问题问答题简答题

矿井下巷道遇断层时的征兆？

答案

参考答案：

1、断层附近煤岩层塑性变形现象，包括：

煤岩层的产状发生变化、煤层厚度发生变化、出现牵引褶曲等。

2、断层附近的脆性断裂现象，包括：顶底板中裂隙增多（一般在10-20m范围）；常伴生一系列小断层；如岩层裂隙构通含水层，则出现淋水增加、甚至发生涌水。

3、遇断层前后，瓦斯涌出量往往明显变化。

完形填空

It happened many years ago, and I was in high school then. Being a student from a 36  family, I had to work on weekends to make some extra money that my family couldn’t really 37   to give me, and one day after work I lost my wallet.
My old car 38 gas in the back. I paid for the gas and then put my wallet on the bumper(保险杠)，and drove off. I hadn’t even had time to 39 it when my phone rang and an old man asked me 40 I had lost my wallet. I checked the 41 of my jacket and to my horror, I had. He asked me to tell him how much money was 42  it, and I told him. He then told me where to 43 my wallet.
As I drove into his driveway, I 44 that his car was for the 45 . I was thinking that there was no way this man could 46  get out of hid car and get my wallet off the 47 . He had to pull over, 48 in his wheelchair, lower the lift, and then pick it up, I was 49 .
I knocked on the 50  and he told me to come in. I thanked him like 10 times for 51   my wallet. While I didn’t want to make him angry by offering him 52 , I really felt like offering something. So I asked him if there was anything I could do to repay his 53 , and he said, “Just pass 54 on.” I really wanted to thank him, so I 55  promised I would.

C．think about

C．disappointed

C．invitations

A．carefulness

C．understanding

读图填空题

酒后驾车,容易引发交通事故。其主要原因是酒精影响了的控制能力。某人不慎受伤,伤口处喷出的血液呈鲜红色。应采取的急救措施是:在受伤血管的采用指压止血或止血带止血。