首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The Greatest Mystery of Whales The whale is a warm-blooded, air-breathing animal, giving birth to its young alive, sucking t
The Greatest Mystery of Whales The whale is a warm-blooded, air-breathing animal, giving birth to its young alive, sucking t
admin
2014-03-13
86
问题
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【C1】______of this. Its front flippers(鳍状肢), used for steering and stability, are traces of feet.
Immense strength is【C2】______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 strength has been estimated【C3】______ 400 horsepower. One specimen was reported to have towed(拖)a whaling vessel for seven hours at the【C4】______of eight knot(节).
An angry whale will【C5】______. A famous example of this was the fate of Whaler Essex, 【C6】______was sunk off the coast of South America early in the last century. More recently, steel ships have【C7】______their plates buckled(使弯曲)in the same way. Sperm whales(抹香鲸)were known to seize the old-time whaleboats in their jaws and crush them.
The greatest【C8】______of whales is their diving ability. The sperm whale dives to the bottom for his 【C9】______food, the octopus(章鱼). In that search he is known to go as far down as 3, 200 feet, where the 【C10】______is 1, 400 pounds to a square inch. Doing so he will【C11】______underwater as long as one hour.Two special skills are involved in this storing up enough【C12】______(all whales are air-breathed)and tolerating the great change in pressure. Just how he does it scientists have not【C13】______. It is believed that some of the oxygen is stored in a special【C14】______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 a compensating mechanism that 【C15】______adjusts the internal pressure of his body. But since you can’t bring a live whale into the laboratory for study, no one knows just how these things work.
【C14】
选项
A、system
B、place
C、arrangement
D、equipment
答案
A
解析
special虽然和几个选项都能搭配使用,但只有选项A意思上讲得通,故A为正确答案,此处是指氧气储存在特殊的血管系统中。system系统;place地方;arrangement安排;equipment设备。
转载请注明原文地址:https://kaotiyun.com/show/1oGd777K
本试题收录于:
职称英语理工类A级题库职称英语分类
0
职称英语理工类A级
职称英语
相关试题推荐
ThePersiansstartedtobuildroadsabout______.TheGreekswerenotinterestedinbuildingroadsbecause______.
TimeintheAnimalWorldRhythmcontrolseverythinginNature.(46)Thesunprovidesabasictimerhythmforalllivingcreatures
Weknowfromthepassagethatthewhalestraveled6,000milesfromtheArctictotheinletsofBaja______.Whatdidthefisher
Thelossofhercatwasthegreatestgriefthechildhadknown.
EconomicGrowthTheeconomyofanationrequires(46).Totaloutputmustgrowifthecountryistoabsorbabout1.5millionneww
IcyMicrobes1InicethathassealedasaltyAntarcticlakeformorethan2,800years,scientistshavefoundfrozenbacteriaa
HowtoSeeFriendshipMorethanfortythousandreaderstolduswhattheylookedforinchosefriendships,whattheyexpected(51)
ViennaViennawasoneofthemusiccentersofEuropeduringtheclassicalperiod,andHaydn,Mozart,andBeethovenwereall
PaperorPlastic?TakeawalkalongtheChesapeakeBay,andyouarelikelytoseeplasticbagsfloatinginthewater.Theyh
A.ReasonsforHIVresistanceB.ImplicationsofchimpanzeeextinctionforhumansC.EffectiveAidstreatmentD.Geneticsimilar
随机试题
测定影响利润的各因素敏感程度的指标称为()
各类器官移植中疗效最稳定和最显著的是
临床上将尿道的哪部分称为前尿道
下列对出血坏死性胰腺炎最具诊断价值的是
公司制期货交易所采用股份制,以营利为目的,其人员可以参与期货交易。()
有些具有良好效果的护肤化妆品是诺亚公司生产的。所有诺亚公司生产的护肤化妆品都价格昂贵,而价格昂贵的护肤化妆品无一例外地受到女士们的信任。以下各项都能从题干的断定中推出,除了()。
阅读下面这首诗,回答问题。商山早行温庭筠晨起动征铎,客行悲故乡。鸡声茅店月,人迹板桥霜。槲叶落山路,枳花明驿墙。因思杜陵梦,凫雁满回塘。前
弃婴安全岛帮助了更多身体有残疾的婴幼儿,但是近期被丢弃的婴儿越来越多,让安全岛无力承担。而社会上对于婴儿安全岛也是褒贬不一,对此你怎么看?
BOON:
Inlastweek’sTribune,therewasaninterestingletterfromMr.J.StewartCook,inwhichhesuggestedthatthebestwayofavo
最新回复
(
0
)