19. 题干：你是机动船在海上航行，互见中与在你船左舷的另一机动船构成交叉相遇局面，此时听到他船鸣一短声，你船应：

________ is the course to reach you？

We shall change course ________ starboard．

My propeller was hit by a steel barge lying ________ ．

Mooring ________ are placed on both banks of the Suez Canal about 200m apart．

In anchoring orders，Up and down means ________.

Get everything ready ___ mooring .

I’d like to know ___ your maximum speed is.

“Midships ”refers to rudder to be held __ .

Take tug’s towing line to ___ .

The expression “drop anchor ”means ___.