单项选择题
The ship has a diesel engine（）a supercharger.
A.with B.of C.on D.over
单项选择题 The ship is going to get（）wharf.
单项选择题 The ship is listing too much due to your faulty method in loading operation.You must keep her（）.
单项选择题 The ship should have a slightly deeper draft（）.
