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
May people like the gigantic whales. Human sympathy【C1】______ whales is only natural of all the creatures in the sea.【C2】______
May people like the gigantic whales. Human sympathy【C1】______ whales is only natural of all the creatures in the sea.【C2】______
admin
2010-10-28
50
问题
May people like the gigantic whales. Human sympathy【C1】______ whales is only natural of all the creatures in the sea.【C2】______ are closer relatives to us than these warm-blooded mammals. And how they got into the sea is one of the most fascinating stories of【C3】______ . Most authorities believe that 60 million years ago ancestors of modern whales were four-legged, wolf-size animals living on the sea shores,【C4】______ an abundance of fish and shrimp tempted them to try wading.【C5】______ 10 to 15 million years, their bodies grew, forelegs shrank into flippers used for balance and steering and hind legs disappeared. As a result of some amazing transformations, they are now helpless on land. If stranded on a beach, they can barely breathe.
With abundant 【C6】 ______ of food, whales grew into the largest creatures that lived,【C7】______ larger than dinosaurs. A blue whale can grow to 100 feet. Its tongue is ten feet thick and heavier than an elephant. Some arteries are big enough for a child to swim【C8】______ . The half-ton heart has walls two feet thick and pumps eight tons of blood.【C9】______ its size comes awesome strength. A blue whale swimming 【C10】______ 15 knots generates 1 000 horsepower.【C11】______ their size, these giants move at a good speed. An 18-ton whale can even【C12】______ 12 m. p. h., over short distances. A whale can 【C13】______ to 9 000 pounds of food a day. The world’s biggest creature【C14】______ itself almost entirely on shrimp-like krill, smaller than a person’s thumb.
Maternal instincts are also【C15】______ Because a calf is born underwater, the mother must get it to the surface before it【C16】______ . Often another whale will help. The mother pushes it gently【C17】______ the baby is confident with its swimming—usually after about 30 minutes. If the calf is【C18】______ , she may support it on her back until it gradually rots away. Like all mammals, whale babies【C19】______ mother’s milk. And the milk is more than 30-percent fat, over 10-percent protein, and the babies grow extremely fast. A blue whale calf lengthens【C20】______ two inches a day and gains an average seven pounds per hour.
【C17】
选项
A、until
B、up to
C、while
D、unless
答案
A
解析
连接词辨义题 。根据句意“鲸鱼妈妈轻轻地推着小鲸鱼游动,直到小鲸鱼对自己的游泳技术很有信心为止”,所以应选择连词until“直到……才”。
转载请注明原文地址:https://kaotiyun.com/show/1Mz7777K
0
大学英语六级
相关试题推荐
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganaspirintabletoreatingachickensandwich--theycana
Wateristheoldestformoftransportation.Theoriginalsailingvesselswerereplacedbysteamboatsintheearly1800sandbyd
A、Themanpassedtheexam.B、Themanfoundtheexamtoodifficult.C、Themanfinishedtheexaminhalfanhour.D、Themanforgot
A、Thewomenisaskingthemanforhelp.B、Thewomanwantstogetanewposition.C、Themanisinstructingthewomanhowtowrite
A、Inthedoctor’soffice.B、Inthelivingroom.C、Intheclassroom.D、Intheconferenceroom.C
Childrenaregettingsofatthattheymaybethefirst【B1】______todiebeforetheirparents,anexpertclaimedyesterday.Today
Childrenaregettingsofatthattheymaybethefirst【B1】______todiebeforetheirparents,anexpertclaimedyesterday.Today
A、Youmightfeellonelyandunhappyatfirst.B、Youmaywastealotoftime.C、Youhavetoleaveyourchildren.D、Noneoftheab
AftermonthsofspeculationaboutwhatAmazoncomwoulddowithitsmysterioussearch-enginecompany,A9,Websuffersfinallygo
Thedesignofthisauditoriumshowsagreatdealof_______.Wehaveneverseensuchabuildingbefore.
随机试题
Britishscientistsarepreparingtolaunchtrialsofaradicalnewwaytofightcancer,whichkillstumoursbyinfectingthemwi
禁止内幕交易的主要措施有( )。
下列属于银行附属资本的是()。
要约是指()。
下列不属于肥胖症的表现的是()。
水杯:透明:光线
张载说:“有象斯有对,对必反其为。有反斯有仇,仇必和而解。”这告诉我们()。
某银行保险柜被橇,巨额现金和证券失窃。警察局经过侦破,拘捕了三名重大的嫌疑犯:施辛格,赖普顿和安杰士。通过审讯,查明了以下的事实:(1)保险柜是用专门的作案工具撬开的,使用这种工具必须受过专门的训练。(2)只有施辛格作案,安杰士才作案。
Couldyou______reasonsandexamplesforyouranswer7
ASuccessStoryAt19,BenWayisalreadyamillionaire,andoneofagrowingnumberofteenagerswhohave【C1】______theirfo
最新回复
(
0
)