问题
单项选择题
《矿山井巷工程施工及验收规范》中规定，在掘进与永久支护平行作业中，掘进工作面与永久支护间的距离不应大于（）
A.10m
B.20m
C.30m
D.40m
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
《矿山井巷工程施工及验收规范》中规定，在掘进与永久支护平行作业中，掘进工作面与永久支护间的距离不应大于（）
A.10m
B.20m
C.30m
D.40m
参考答案：D
PART ONE
Question 1-8
· For questions 1-8 you will hear eight short recordings.
· For each question, mark one letter (A, B or C) for the correct answer.
Which part of the job offer was George unhappy about
A．
| A. The amount of pay. |
B．
| B. The number of hours. |
C．
| C. The number of holidays. |