2011年职称英语真题之综合类A级完型填空

2011年职称英语真题之综合类A级完型填空,本站还有更多关于职称英语考试时间,职称英语考试成绩查询,职称英语考试试题,历年职称英语考试试题及答案解析的文章。
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。
　　The Greatest Mystery of Whales
　　The whale is a mammal(哺乳动物)一warm—blooded，air-breathing，giving birth to its young alive，sucking them—and，like all mammals，originated on land，There are many signs of this．________(51)front flippers(鳍肢)，used for steering and stability，are traces of feet。
　　Immense strength is built into the great body of the big whales，and in fact most of a whale’s body is one gigantic muscle。The blue whale’s pulling________ (52)has been estimated at 400 horsepower．One specimen was reported to have________ (53) a whaling vessel for seven hours at the________ (54)of eight knots．
　　An enraged whale will attack a ship．A famous________ (55)of this waswww.babaimi.com the fate of whaler Essex，which was sunk________(56)the coast of South America early in the last century．More recently ,steel ships have had their plates buckled(扭曲变形)in the same way．Sperm whales were known to________ (57)the old—time whaleboats in their jaw sand crush them．
　　The greatest mystery of whales is their diving ability．The sperm whale can________ (58)the bottom for his favorite food，the octopus(章鱼)．________ (59)that search he is known to go as far down as 3，200 feet，where the pressure is 1，400 pounds，to the square inch．Doing________ (60)he will remain submerged(水下的)as long as one hour．Two feats(绝技)are involved in this：storing up enough________ (61)(all whales are air-breathed)and withstanding the great change in pressure．Just________(62)he does it scientists have not determined．It is believed that some of the oxygen is stored in a special system of blood vessels，rather than just held in the lungs。And________ (63)is believed that a special kind of oil in his head is some sort of compensating mechanism that automatically adjusts the internal pressure of his body．But________ (64)you can’t bring a live whale into the laboratory for study，no one________(65)just how these things work.
51.A Their B It's C Theirs D Its
52.A strength B width C height D length
53.A eaten B crashed C towed(拖)D lifted
54.A distance B rate C voyage D sail
55.A picture B film C example D book
56.A 0ff B of C above D over
57.A hit B seize C damageD kick
58.A fly to B jump on C dive toD crawl on
59.A In B On C By D At
60.A SO B such C above D the same
61.A water B oxygen C energyD heat
62.A what B who C how D which
63.A it B he C she D there
64.A because of B due to C since D owing to
65.A communicatesB knows C hears D develops 2008年职称英语报名   2008年职称英语辅导  2008年职称英语试题
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