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
81
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
TimeintheAnimalWorldRhythmcontrolseverythinginNature.(46)Thesunprovidesabasictimerhythmforalllivingcreatures
ANewfindingabouttheupperatmosphereBStratosphereCIonosphereDThecompositionofthepermanentgasesintheatmosph
ANewfindingabouttheupperatmosphereBStratosphereCIonosphereDThecompositionofthepermanentgasesintheatmosph
AKripke’sResearchToo1BDangersofHabitualShortagesofSleepCCriticismonKripke’sReportDAWayofOvercomingInsom
ViennaViennawasoneofthemusiccentersofEuropeduringtheclassicalperiod,andHaydn,Mozart,andBeethovenwereall
AAShortHistoryofNamingHurricanesBHarnessingtheHurricaneEnergyCDifficultyinForecastingtheCourseofaHurric
ThefirstnavigationallightsintheNewWorldwereprobablylanternshungatharborentrances.Thefirstlighthousewasputup
PaperorPlastic?TakeawalkalongtheChesapeakeBay,andyouarelikelytoseeplasticbagsfloatinginthewater.Theyh
TakingaNapduringtheDayMedicalexpertssaymostAmericansdonotgetenoughsleep.TheysaymoreAmericansneedto【51】
Thechildrentrembledwithfearwhentheysawthepoliceman.
随机试题
影响汽车通过性的主要因素有哪些?
国内学者对“领导作风”界定的类型主要包括______、______。
男,27岁。3小时前因交通事故出现剧烈腹痛、腹胀急诊入院,若在查体过程中发现下述哪一项,属剖腹探查指征()
下列会计科目中,其期末余额应列入资产负债表“存货”项目的有()。
A、B注册会计师负责对审计客户甲公司2×10年度财务报表进行审计,涉及到应付账款项目审计工作时,存在如下事项。(1)考虑到函证应付账款获取的是外部证据,可靠性强于从甲公司获取的内部证据,A、B注册会计师为了查出未入账的应付账款,主要实施函证程序。
一个任务由甲、乙、丙三个人共同完成。如果让甲单独做需要20小时完成;甲、乙两个人合作需要8小时完成;乙、丙两个人合作需要6小时完成。那么,让丙单独做需要多少小时可以完成任务?()
随着互联网络的发展,网上购物同手机购物已成为快节奏的生活人群所不可缺少的一部分。电子车票主要是指通过网络获取(二维码、短信信息等)虚拟凭证,并凭此代替原本的纸质车票(汽车票、火车票等)使用登车的车票。购买“电子车票”体现了()。
目前全球的粮食年产量比满足全球人口的最低粮食需求略高。因此,那种认为将来会因粮食短缺而引发饥饿危机的预言,是危言耸听。饥饿危机总是源于分配而不是生产。以下各项关于全球粮食需求的断定,哪项最符合题干?
A、 B、 C、 D、 E、 C
在UNIX系统中,若文件File4的权限是736,则表示()。
最新回复
(
0
)