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【单选题】
用压缩机输送气体时A.
入口温度越高,流体输送量越大
B.
入口温度越低,流体输送量越大
C.
入口压力越低,流体输送量越大
D.
入口压力与流体输送量无关
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【简答题】阅读理解。 It had been a long time since I had been to Jacksonville, Florida. I had driven to town hoping to see the old barber shop where my hair had been cut as a child. I parked my truck and decided to ...
【单选题】(If I had been you), I (would not) refuse (his) (invitation).
A.
If I had been you
B.
would not
C.
his
D.
invitation
【简答题】It had been a long time since I had been to Jacksonville, Florida. I had driven to town hoping to see the old barber shop where my hair had been cut as a child. I parked my truck and decided to try an...
【单选题】安全事故发生后，单位负责人接到报告后，应当于( )向事故发生地县级以上人民政府安全生产监督管理部门和负有安全生产监督管理职责的有关部门报告。
A.
立即
B.
1h内
C.
2h内
D.
24h内
【简答题】简述的职权。
【判断题】生产经营单位发生生产安全事故后，事故现场有关人员应当立即报告本单位负责人，单位负责人接到事故报告后，应当于2小时内向事故发生地县级以上人民政府安全生产监督管理部门及有关部门报告。
A.
正确
B.
错误
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