船舶油水分离器运行中误报警的最大可能是（）。
A．分油太快
B．检测装置反冲不良
C．排油电磁阀失灵
D．加热温度太低
参考答案：B
. Many experts agree that once these treasures are _______ to the air, great harm will be done to them. So they think it better not to unearth the treasures.
A．exposed
B．threatened
C．constructed
D．conserved
The young man didn't mean to the house. He stole into it and made a fire only to get warm.
A．pull down
B．lay down
C．burn down
D．turn down
