首页
登录
职称英语
Human sympathy【C1】______ whales is only natural of all the creatures in the
Human sympathy【C1】______ whales is only natural of all the creatures in the
游客
2023-09-08
12
管理
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. [br] 【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://tihaiku.com/zcyy/2997258.html
相关试题推荐
Silenceisunnaturaltoman.Hebeginslifewithacryandendsitinstill
Silenceisunnaturaltoman.Hebeginslifewithacryandendsitinstill
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
[originaltext]Silenceisunnaturaltoman.Hebeginslifewithacryande
[originaltext]Silenceisunnaturaltoman.Hebeginslifewithacryande
Maypeoplelikethegiganticwhales.Humansympathy【C1】______whalesisonl
随机试题
Inadditiontohistheoryofcolour,Newtondevelopedatheoryofhowlight
ThoughIdaBauerwasonly18yearsold,shehadcometoSigmundFreudsuffer
A.overachievingB.recruitingC.highD.withE.underachievingF.shor
ThereareseveralwaysinwhichAmerican【11】customsaredifferentfromthose
一、二级耐火等级地下或半地下仓库,存丙类物品里的1项,每个仓库防火分区的最大允许
下列选项中一般属于长期预算的是()A.销售预算 B.财务预算 C.管理费用
在信息安全中,数据完整性指的是( )。A.保护网络中各系统之间交换的数据,防止
患者,男性,40岁,上腹隐痛伴反酸、嗳气2个月,诊为"十二指肠溃疡"。对其用药指
已知某企业生产铜丝,其直径X~N(32.5,1.12),现从该企业生产的一批铜
于多层砌体房屋结构特点的说法,正确的有()。A.材料脆性大 B.抗拉能力
最新回复
(
0
)