职称英语考试

试题来源：职称英语模拟题-综合类-完形填空
【单选题】

The Greatest Mystery of Whales

The whale is a warm-blooded，air-breathing animal，giving birth to itsyoung alive，sucking them--and，likeall mammals，originated on land．Thereare many front flippers(鳍状肢)，usedfor steering and stability, are traces of feet．______(1)ofthis．Its Immense strength is______(2)into the greatbody of the big whales，and in fact most of a whale’s body is one gigantic muscle．The blue whale’s pulling strength has been estimated ______(3)400 horsepower．One specimen was reported to have towed(拖)awhaling vessel for seven hours at the______ (4) of eight knot (节). An angry whale will ______ (5) A famous example of this was thefate of Whaler Essex, ______ (6)was sunk off the coast of South America earlyin the last century．

More recently, steel ships have ______(7)theirplates buckled(使弯曲)in the same way． Sperm whales(抹香鲸)were known to seize theold-time whaleboats in their jaws and crush Them. The greatest ______ (8)ofwhales is their diving ability．The sperm whale dives tothe Bottom for his______ (9)food，the octopus(章鱼)．In that search he is known to go as farDown as 3,200 feet, where the．______ (10)is 1,400pounds，to a square inch．Doingso he Will ______ (11)underwater long as one hour．Twospecial skills are involved in this storing up enough______ (12)(all whales areair—breathed)and tolerating the great change inpressure．Just how he does it scientists have not______(13)．It is believed that some of the oxygen isstored in a special______ (14)of blood vessels，ratherthan just held in the lungs．And it is believed that aspecial kind of oil in his head is some sort of compensating mechanism that______ (15)adjusts the internal pressure of his body．Butsince you can’t bring a live whale into the laboratoryfor 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 Bbecome C remain D rest

12 A heat B energy C food D oxygen

13 A witnessed B determined C applied Dcalculated

14 A system B place C arrangement D equipment

15 A mentally B artificially C manually Dautomatically

网考网参考答案：B、C、A、D、B、C、A、D、A、B、C、D、B、A、D
大数据分析：根据网考网与考试题库的统计分析，该试题：
56%的考友选择了A选项
9%的考友选择了B选项
17%的考友选择了C选项
18%的考友选择了D选项
考友解析与评论：
 · 这题不解，原来选B、C、A、D、B、C、A、D、A、B、C、D、B、A、D，感觉没错啊
 · 应该是B、C、A、D、B、C、A、D、A、B、C、D、B、A、D啊
 · 这个答案肯定不对