—Would you like to come to dinner tonight —Yes, I'd like to. Shall I tell John about it —No, you ______. I've told him, already.
A. needn't
B. wouldn't
C. mustn't
D. shouldn't
查看答案
发生2人以下死亡事故，应在( )内口头报告、6小时内书面报告。
A. 1小时
B. 2小时
C. 3小时
D. 4小时
What sort of underground systems are already here with us
A. Offices, shopping areas, power stations.
B. Tunnels, car parks, shopping areas.
C. Gardens, car parks, power stations.
D. Tunnels, gardens, offices.
遇有恶劣气候，如( )影响施工安全时，禁止进行露天作业。
A. 炎热天气或重雾、阴天
B. 风力在五级以上或重雾、雨雪天气
C. 风力在六级以上或重雾、阴天
D. 风力在六级以上或重雾、雨雪天气
1万m2以上、5万m2以下的工地设( )专职人员。
A. 1～2名
B. 2～3名
C. 3～4名
D. 4～5名
微信支付 
支付宝支付