2014年职称英语综合类完形填空练习(6)-查字典英语网
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2014年职称英语综合类完形填空练习(6)

发布时间:2016-03-01  编辑:查字典英语网小编

  本文为大家搜集整理了2014年职称英语综合类完形填空练习,供大家参考。

  The Greatest Mystery of Whales

  The whale is a warm-blooded,air-breathing animal,giving birth to its young alive,sucking them--and,like all mammals,originated on land.There are many front flippers,used for steering and stability, are traces of feet.______of this.Its Immense strength is______into the great body of the big whales,and in fact most of a whales body is one gigantic muscle.The blue whales pulling strength has been estimated ______400 horsepower.One specimen was reported to have toweda whaling vessel for seven hours at the______ of eight knot . An angry whale will ______ A famous example of this was the fate of Whaler Essex, ______ was sunk off the coast of South America early in the last century.

  More recently, steel ships have ______their plates buckledin the same way. Sperm whaleswere known to seize the old-time whaleboats in their jaws and crush Them. The greatest ______ of whales is their diving ability.The sperm whale dives to the Bottom for his______ food,the octopus.In that search he is known to go as far Down as 3,200 feet, where the.______ is 1,400 pounds,to a square inch.Doing so he Will ______ underwater long as one hour.Two special skills are involved in this storing up enough______ and tolerating the great change in pressure.Just how he does it scientists have not ______.It is believed that some of the oxygen is stored in a special______ of blood vessels,rather than just held in the lungs.And it is believed that a special kind of oil in his head is some sort of compensating mechanism that ______ adjusts the internal pressure of his body.But since you cant bring a live whale into the laboratory for study, no one knows just how these things work.

  1 A aspects B signs C ways D reasons

  2 A worked B divided C built D moved

  3 A at B in C of D with

  4 A number B degree C distance D rate

  5 A abandon B attack C leave D board

  6 A as B who C which D that

  7 A had B operated C Seen D caught

  8 A interest B job C danger D mystery

  9 A favorite B fast C new D sufficient

  10 A depth B pressure C level D size11 A set B become C remain D rest

  12 A heat B energy C food D oxygen

  13 A witnessed B determined C applied D calculated

  14 A system B place C arrangement D equipment

  15 A mentally B artificially C manually D automatically

  

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