职称英语真题之综合类A级完型填空

1、职称英语真题之综合类 A 级完型填空为了方便广阔学员更好的备考职称英语考试，考试大外语站点编辑特收集整理了 2021年职称英语真题之综合类 A 级完型填空，希望能帮助学员有效复习。2021 年职称英语真题之综合类 A 级完型填空 :第6局部：完型填空(第5165题，每题1分，共15分)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 个选项。The Greatest Mystery of WhalesThe whale is a mammal(哺乳动物)一 warm blooded, air-breathing,考试大 giving birth to its young alive

2、 ， sucking themand， like all mammals， originated on land, There are many signs of this(51)front flippers( 鳍肢 ), used for steeringand 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

3、whale' s pulling(52)hasbeen estimated at 400 horsepower One specimen was reported to have(53)a whaling vessel for seven hours at the(54)of eight knotsAn enraged whale will attack a ship A famous(55)of this was 考试大the fate of whaler Essex, which was sunk(56)the coast of South Americaearly in the

4、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 timewhaleboats in their jaw sand crush themThe greatest mystery of whales is their diving ability The sperm whale can(58)the bottom for his favorite food, the octopus(章鱼

5、).(59)that search he is known to go as far down as 3, 200 feet, where the pressure is 1, 400 poun ds, to the square in ch. Doing(60)he will rema in submerged(水下的 )as long as one hour Two feats( 绝 技 )are involved in this ： storing upenough (61)(all whales are air-breathed)and withstanding the great c

6、hange inpressureJust(62)he does it scientists have not determinedIt is believed thatsome of the oxygen is stored in a special system of blood vessels，rather than just heldin the lungs。And(63)is believed that a special kind of oil in his head is somesort of compensating mechanism that automatically a

7、djusts the internal pressure of hisbody .考试大 But(64)you can' t bring a live whale into the laboratory forstudy，no one(65)just how these things work.51. A Their B It' s C Theirs D Its52. A strength B width C height D length53. A eate n B crashed C towed 拖)D lifted54. A distance B rate C voyage D sail55. A picture B film C example D book56. A 0ff B of C above D over57. A hit B seize C damageD kick58. A fly to B jump on C dive toD crawl on59. A In B On C By D At60. A SO B such C above D the same61. A water B oxygen C energyD heat62. A what B who C ho