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
2013-11-20
70
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,此处是指氧气存在特殊的血管系统中。
转载请注明原文地址:https://kaotiyun.com/show/l4Qd777K
本试题收录于:
职称英语理工类B级题库职称英语分类
0
职称英语理工类B级
职称英语
相关试题推荐
OntheTrialoftheHoneyBadgerOnarecentfieldtriptotheKalahariDesert,ateamofresearcherslearnalotmoreabout
MedicineAwardKicksoffNobelPrizeAnnouncementsTwoscientistswhohavewonpraiseforresearchintothegrowthofcancer
BreakfastStudiesshowthatchildrenwhoeatbreakfastdobetterinschool.Itdoesn’ttakemuchfurtherthoughttobelieve
Single-parentKidsDoBestSinglemumsarebetteratraisingtheirkidsthantwoparents—atleastinthebirdworld.Mother
Single-parentKidsDoBestSinglemumsarebetteratraisingtheirkidsthantwoparents—atleastinthebirdworld.Mother
EarlyorLaterDayCareTheBritishpsychoanalystJohnBowlbymaintainsthatseparationfromtheparentsduringthesensitiv
EarlyorLaterDayCareTheBritishpsychoanalystJohnBowlbymaintainsthatseparationfromtheparentsduringthesensitiv
HowTwoGreatConflictsHelpedtoChangeEuropeNinetyyearsagoonasunnymorninginNorthernFrance,somethinghappenedt
AdaptationofLivingThingsCertainanimalsandplantsdevelopcharacteristicsthathelpthemcopewiththeirenvironmentbe
随机试题
A.LHB.FSHC.雌激素D.雄激素E.孕激素作用于卵巢颗粒细胞和睾丸支持细胞的是:
产品成本按其与产品数量之间的关系,分为()。
正常卵子受精的部位是
革兰阴性杆菌脓毒症的发热特点是
A.处方调剂B.药品不良反应监测和报告C.参与健康教育D.治疗药物监测E.药学信息服务药师参与临床药物治疗,提高药学服务的重要方式和途径的工作是()
()是指硬件设备的不同组合方式。
在信用风险缓释工具中,合格保证应满足的最低要求包括()。
已知类X中一个成员函数的原型声明为“voidCopy(X&r);”,则下列选项中。解释正确的是()。
SarahwasbornonApril27,1984,toawomandescribedbythelawyersfamiliarwiththecaseasbeingaddictedtoheroinandcoc
WhenGeorgeW.BushdeliveredhisStateoftheUnionAddressthispastJanuary,threewordsappearedthathadnotpreviouslybee
最新回复
(
0
)