單項選擇題We have stayed at Shanghai port for a long timeThe fouling on the ship’s hull greatly increases her ().

A.power
B.speed
C.resistance
D.thrust force


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題We’d better ()economic speed ()fuel consumption.

A.take;save
B.to take;save
C.take;to save
D.to take;to save

2.單項選擇題This machine ()out of order very often, but now it works well.

A.is used to be
B.was used to be
C.used to be
D.was used to

3.單項選擇題When we arrived here yesterday, their ship ()for three days.

A.has left
B.had left
C.has been away
D.had been away

4.單項選擇題The accident resulted () the motorman’s carelessness.

A.in
B.to
C.from
D.by

5.單項選擇題The second engineer seemed to know what the sign ().

A.stand by
B.stand for
C.stood by
D.stood for