评定为弱冲击危险的作业地点可不进行冲击地压危险状态的观察。
参考答案：错
Rarely _____ by car at that time. Their parents were too poor to buy one. [ ]
A. they went to school
B. did they go to school
C. they didn't go to school
D. did they not go to school
没有完成活动目标值的活动圈，原则上（）
A.可以进行参加发表
B.不可以进行参加发表
C.由厂处工作组决定
D.由公司工作组决定
