GRE

简答题根据短文,回答题:
A cable ferry,sometimes called afloating bridge,is a simple means of crossing afast—flowing or shallow river.As the name suggests,the transport itself is
propelledusing cables that are secured at either side of the river.The simplest Line type ishand operated--a crank system or pulley guides the craft across.Some(5)cable ferries are motorized,butothers simply use the power of the current to propel the craft.The ferries may carry up to half a dozen Cars,or they may be for foot traffic only, depending on their size.In most cases,the cables are visible,but some ferries have underwater cables.
Underline the sentence that suggests anotherdesignation for the form of transportation discussed in the passage.

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A cable ferry, sometimes called a floating bridge,is a simple mealls of crossinga fast-flowing or shallow riven The “other designation” is “floating bridge.”

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