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
49
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.
【C5】
选项
A、abandon
B、attack
C、leave
D、board
答案
B
解析
此题亦必须根据上下文的意思来推测选哪个词。鲸鱼被惹怒后会攻击船只,所以选B。
转载请注明原文地址:https://kaotiyun.com/show/O4Qd777K
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
TheWorld’sBest-SellingMedicineSinceancienttimes,peopleallovertheworldhaveusedwillowtostoppain.Thewillowt
TheWorld’sBest-SellingMedicineSinceancienttimes,peopleallovertheworldhaveusedwillowtostoppain.Thewillowt
TheWorld’sBest-SellingMedicineSinceancienttimes,peopleallovertheworldhaveusedwillowtostoppain.Thewillowt
MedicineAwardKicksoffNobelPrizeAnnouncementsTwoscientistswhohavewonpraiseforresearchintothegrowthofcancer
WhereHaveAlltheBeesGone?Scientistswhostudyinsectshavearealmysteryontheirhands.Allacrossthecountry,honey
WhereHaveAlltheBeesGone?Scientistswhostudyinsectshavearealmysteryontheirhands.Allacrossthecountry,honey
Single-parentKidsDoBestSinglemumsarebetteratraisingtheirkidsthantwoparents—atleastinthebirdworld.Mother
HowTwoGreatConflictsHelpedtoChangeEuropeNinetyyearsagoonasunnymorninginNorthernFrance,somethinghappenedt
Thiskindofanimalsareonthevergeofextinction,becausesomanyarebeingkilledfortheirfur.
Theyhavetobuildcanalstoirrigatethedesert.
随机试题
肺梗死形成的先决条件是
捻转补泻法的补法操作为()
耐热性最强的食物中毒病病原菌是
由病毒感染引起的扩张型心肌病,常见的病毒是
接触()等的龙骨、埋置的木楔和金属型材应作防腐处理。
某研究者要研究我国的教育经费投入状况,最可靠的资料来源是
一种外币成为外汇有三个前提条件()。[暨南大学2011国际商务硕士]
有一个网络数据库应用系统,其中一台计算机A存有DBMS软件、所有用户数据和应用程序,其余各节点作为终端通过通信线路向A发出数据库应用请求,这种方式属于
下列描述中正确的是
Inisrael,apoliticallypowerfulJewishreligiousleaderistryingto______.
最新回复
(
0
)