? ?阅读下面的短文，文中有15处空白，每处空白给出4个选项。请根据短文的内容，从4个选项中选择1个最佳答案。

? ?Today, most countries in the world have canals. Even in the twentieth century, goods can be moved more cheaply by boat {{U}}?(51) ?{{/U}} by any other means of trans- port. Some canals, such as the Suez or the Panama, {{U}}?(52) ?{{/U}} ships weeks of time by making their voyage a thousand miles shorter. Other canals permit boats to reach cities that are not located on the coast. Still other canals {{U}}?(53) ?{{/U}} lands where there is too much water, help or irrigate fields where there is not enough water, and furnish water power for factories and mills.
? ?The {{U}}?(54) ?{{/U}} of a canal depends on the kind of boats going through it. The canal must be wide enough to permit two of the {{U}}?(55) ?{{/U}} boats using it to {{U}}?(56) ?{{/U}} each other easily. It must be deep enough to leave about two feet of water {{U}}?(57) ?{{/U}} the keel of the largest boat using the canal. Some canals have sloping sides, {{U}}?(58) ?{{/U}} others have sides that are nearly vertical. Canals that are cut through rock can have nearly vertical sides. However, canals with earth banks may crumble if the angle of their sides is too steep.
? ?Some canals are lined with brick, stone, or concrete to keep the water {{U}}?(59) ?{{/U}} soaking into the mud. This also permits ships to go {{U}}?(60) ?{{/U}} greater speeds, since they cannot make the banks fall in by stirring up the water. In small canals with mud banks, ships and barges must {{U}}?(61) ?{{/U}} their speed.
? ?When the canal goes {{U}}?(62) ?{{/U}} different levels of water, the ships must be raised or lowered from one level to the other, This is generally done by means of locks. If a ship wants to go up to higher water, the lower end of the lock opens to let the boat in. Then this gate closes, and the water is let into the lock chamber from the upper level. This raised the level of the water in the lock {{U}}?(63) ?{{/U}} it is the same as the upper level of water.
? ?Now the upper gates can be opened to {{U}}?(64) ?{{/U}} the ship into the higher water. Of course there must always be enough water on the upper level to allow for the flooding of the lock. Sometimes a canal contains a {{U}}?(65) ?{{/U}} of locks when the difference in levels is very great.

A:means B:group C:series D:mass

The ( 1 ) means that the shipowner promises to carry on board a specific ship a particular cargo for a single or several voyages from one or more loading ports to one or more discharging ports. The payment paid by the charterer to the ship owner for cargo transport by sea is called ( 2 ) and the contact made by ship owner and charterer is called a voyage charter party. Under a voyage charter party, the actual operation of the vessel is left to the ( 3 ). There are the provision for the ( 4 ), demurrage and dispatch money etc., in the voyage charter. There are more standard forms of voyage charter parties than any other form of contract of carriage. ( 5 ) is the most popular and widely used general purpose voyage charter party on a global basis for numerous types of cargoes.

1（）

A:voyage chartering B:time chartering C:bareboad chartering D:TCT

The voyage charter means that the vessel is put at the disposal of the charterer for a certain period employment without any crew．( )

（ ）means that a charterer hires a ship for a particular voyage.

A:Time chartering B:Voyage chartering C:Bareboat chartering D:A+B+C

( )means that a charterer hires a ship for a particular voyage.

A:Time chartering B:Voyage chartering C:bareboat chartering D:A+B+C

汉译英：“运输工具；运输方式”，正确的翻译为：( )

A:means of conveyance；means of transport B:means of voyage；means of transport C:means of transport；means of conveyance D:means of conveyance；means of voyage

汉译英：“运输工具；运输方式”，正确的翻译为( )

A:means of conveyance；means of transport B:means of voyage；means of transport C:means of transport；means of conveyance D:means of conveyance；means of voyage

汉译英：“运输工具；运输方式”，正确的翻译为：( )

A:means of conveyance；means of transport B:means of voyage；means of transport C:means of transport；means of conveyance D:means of conveyance；means of voyage