A.is
B.has
C.are
D.have
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A.backup
B.blocking
C.choking
D.obstructing
A.on
B.in
C.out
D.with
A.this
B.who
C.which
D.it
A.if
B.very
C.too
D.very much
A.ample
B.sufficient
C.enormous
D.incredible
最新試題
The dew point temperature is（）.
It is dangerous for vessels without the operational radar（）the estuary.
A tide is called diurnal when（）.
What is it called when it is possible to ignite the vapour above the oil?（）
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Which of the following is not a form of precipitation?（）
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Before any loading takes place any signs of the previous cargo should do（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）