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【单选题】
In the absence of a route leading from seaward，the conventional direction of buoyage generally follows ______．A.
an anti-clockwise direction around land masses
B.
a clockwise direction around land masses
C.
an anticlockwise direction around sea masses
D.
a clockwise direction around sea masses
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【简答题】What do we need to do right now?
【单选题】If we do not do something now, we may face a scenario where only 20% of people have a permanent job.
A.
situation
B.
outline
C.
setting
D.
context
【单选题】If we do not do something now, we may face a scenario where only 20% of people have a permanent job.
A.
outline
B.
context
C.
situation
D.
setting
【单选题】2- 丁酮 CH 3 COCH 2 CH 3 的红外光谱中,羰基峰的位置最有可能位于
A.
2981cm-1
B.
1722cm-1
C.
1170cm-1
D.
1123cm-11
【单选题】They didn’t do it ______ we do now.
A.
i n t he way
B.
by the way
C.
on the way
D.
that
【单选题】Now we could not do anyting but for him here.
A.
waited
B.
waiting
C.
to wait
D.
wait
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