在线辅导团队特为考生整理了2013年职称英语考试每日一练,供大家练习,祝考试顺利!请大家可随时关注在线职称英语考试动态栏目,我们将第一时间公布相关考试信息。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,涂在答题卡相应的位置上。
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
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