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
Human sympathy【C1】______ whales is only natural of all the creatures in the sea.【C2】______ are closer relatives to us than thes
Human sympathy【C1】______ whales is only natural of all the creatures in the sea.【C2】______ are closer relatives to us than thes
admin
2010-10-28
37
问题
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.
【C19】
选项
A、feed with
B、feed up
C、feed on
D、feed from
答案
C
解析
固定搭配 。根据句意,“与其他的哺乳动物一样,小鲸鱼靠吃妈妈的奶生活”,“以……为食”可以用短语feed on表示,所以C项符合题意。
转载请注明原文地址:https://kaotiyun.com/show/w4z7777K
0
大学英语六级
相关试题推荐
A、Hehashadthirteendecayedteeth.B、Hedoesn’thaveasingledecayedtooth.C、Hehasfewerdecayedteeththanotherpeopleof
Thegeneralpublic,however,likestheidea:【B1】______favoredwiderissuingofguns.Butthey,ofcourse,wouldnothavetocar
PassageOneItcanbeshowninfactsendfiguresthatcyclingisthecheapest,mostconvenient,endmostenvironmentallydes
Directions:Forthispart,youareallowed30minutestowriteashortessaycommentingonthelatestchangeinthepostgraduate
Howeverimportantwemayregardschoollifetobe,thereisno【B1】______tothefactthatchildrenspendmoretimeathomethan
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerfulpoliticalpressurestokeepitthatway.Anyattemp
A、Relaxingattheseashore.B、Visitingherparents.C、Sailingonaboat.D、Preparingforarace.A
Aprojectlikelytoevolvein.thenearorintermediatefutureisspacetourism,apurely【B1】______activitythatwouldnothave
A、Independent.B、Strong.C、Determined.D、Persistent.A
A、Itlooksattractive.B、Ittastesdelicious.C、Itisnotexpensive.D、Theywanttoimitatetheirheroes.D本题是细节题。从第一段“Thekids
随机试题
卵泡内膜细胞主要分泌的激素是:
腰方肌具有维持腹压的功能。()
PPTP
A.文化水平:初中=1,高中和技工=2,大学和大专=3,硕士=4,博士=5B.健康重要吗,为什么C.你的身高是()cmD.你热爱体育还是文艺E.你是否赞同开展家庭健康教育属于封闭式问卷设计的是
肺循环血流量增多,而左心室、主动脉及体循环血流量减少的先心病为
A.桃红四物汤B.血府逐瘀汤C.复元活血汤D.身痛逐瘀汤E.补阳还五汤
方案评价可分为概略评价与详细评价,不论概略详价还是详细评价,都应包括()。
数据收集好后,还要进行哪些处理来支持网络规划()。
Duringthesummersessiontherewillbearevisedscheduleofservicesfortheuniversitycommunity.Specificchangesforinterc
Withregardtoitssize,theU.S.A.isthe______countryintheworld.
最新回复
(
0
)