單項(xiàng)選擇題Stand by（）VHF CH16.
A.of
B.on
C.in
D.at
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1.單項(xiàng)選擇題M/V Yanyuan No.1.（）is your course and speed?
A.When
B.Which
C.That
D.What
2.單項(xiàng)選擇題When（）the pilot embark?
A.will
B.shall
C.can
D.may
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