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【单选题】
What do we know about the local people in the story?A.
They thought that the gods were crazy.
B.
They were isolated from the outside world.
C.
They enjoyed living in the peaceful desert.
D.
They worshipped the gods all the more after the incident.
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【单选题】在用比例调节器组成的温度控制系统中,量程为0~100°C,在测试中当温度为80°C时,调节器输出为0.04MPa,在60°C时,调节器输出为0.06MPa。此调节器为()调节器,其比例带PB为()。
A.
正作用式,80%
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反作用式,80%
C.
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D.
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【简答题】The chief and immediate cause of the war was ____.
【单选题】在用比例调节器组成的温度控制系统中,量程为0~100°C,在测试中当温度为80°C时,调节器输出为0.04MPa,在60°C时,调节器输出为0.06MPa。此调节器为( )调节器,其比例带PB为( )。
A.
正作用式,-80%
B.
反作用式,80%
C.
正作用式,40%
D.
反作用式,-80%
【简答题】What is the chief cause of unhappiness when actual circumstances are not unfavorable?
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