All the flights be fore nine have been delayed because of poor visibility this morning.由于今天上午机械故障，9点钟以前的航班都被延误了。（）

前滨（fore shore）

A．prepare
B．therefore
C．are
D．care

The projection on a shaft designed to change circular motion into up and down or back and fore motion is called _____.

A:wheel B:crankshaft C:running gear D:cam

Topping wires fix the height of the derricks and _____ to the deck may be used to prevent fore and aft movement.

A:stays B:winches C:barrels D:brakes

The structural members of the hull extending in a fore and aft direction are called _____.

A:frames B:joiners C:longitudinals D:knees

Please________all the lines fore and aft,the vessel is just in her position of the berth now.

A:pay out B:make fast C:shorten D:hold on