化工厂的防爆车间采取通风良好的防爆措施，其目的是＿。
A.消除氧化剂
B.控制可燃物
C.降低车间温度
D.冷却加热设备
参考答案：B
---Dave! Your mom is too busy! You shouldn’t throw your waste things
everywhere!
---Oh. I am sorry. I am going to_________ and put them in the waste box.[ ]
A. take out the trash
B. make the desk clean
C. fold my clothes
D. do some shopping
操作票应根据值班调度员或（）下达的操作计划和操作综合令。
A、上级领导
B、监护人
C、值班长
