欢迎来到牛牛题库网 牛牛题库官网
logo
搜索
全部科目 > 大学试题答案(课后习题答案)

单项选择题

《煤矿安全质量标准化标准》规定，防治水应坚持“有疑必深”，凡不清楚或有怀疑的地段，都必须安排探放水井有防探水钻孔设计及( )。

A.作业标准
B.防水措施
C.技术措施
点击查看答案
上一题 目录 下一题

相关考题

单项选择题
(句子释义)The wretched boy never set foot upon a football field without scoring a goal.
A. Each time this boy played football, he was sure to get the ball into the goal.
B. This unfortunate boy never played football, as he couldn't score a goal.
C. This boy was unhappy because he didn't kick the ball into the goal.
D. If this boy didn't score a goal he would feel wretched.
A.
A.
B.
B.
C.
C.
D.
D.
E.
单项选择题
生物质混燃发电至今无实质性的经济激励政策，主要原因是混入煤炭的生物质原料量较少。( )
A.对
B.错
单项选择题
The more words you are familiar with, the less you are aware of reading words and ________ you are aware of content and meaning.
A. more
B. less
C. the more
D. the less
A.
A.
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题