单项选择题

It is strongly advised that you check that you have all your essential documents in a briefcase （） you set out on an international trip.

A.upon
B.before
C.beside
D.next to

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单项选择题

（） serious disadvantage of the existing plant is the lack of adequate ventilation; workers frequently complain of nausea and headaches.

A.Any
B.Other
C.Another
D.One another

单项选择题

（） unnamed sources, the central bank is unlikely to raise interest rates over the next 6 months.

A.According to
B.In case of
C.On behalf of
D.In common with

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