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【判断题】
金属钠着火可用水灭火。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】化工用钢管最有可能的是()。
【单选题】All passengers _______, please fasten your seat belts and remain seated _______ the plane is landing.
A.
on board; until
B.
abroad; since
C.
on the board; before
D.
aboard; when
【单选题】All passengers ______, please fasten your seat belts and remain seated ______ the plane is landing.
A.
on board; before
B.
abroad; since
C.
on the board; after
D.
aboard; when
【单选题】下列选项中,不属于信息披露的实际质量难以保证的原因是( )
A.
人缺乏对信息披露主体的有效法律约束机制
B.
行政干预和资本市场缺乏足够的竞争
C.
客户内部缺乏有效的信息披露实施机制
D.
客户财务极表不公开
【单选题】—Amy, please tell the people seated and ________ for their turns to come to my office five minutes later. —Yes, sir.
A.
wait
B.
waiting
C.
waited
D.
to wait
【单选题】Please remain ; the winner of the prize will be announced soon. [ ]
A.
seating
B.
seated
C.
to seat
D.
to be seated
【单选题】The flight will be announced soon. ____ ,please remain seated.
A.
Besides
B.
After all
C.
Meanwhile
D.
In general
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