首页
登录
职称英语
May people like the gigantic whales. Human sympathy【C1】______ whales is onl
May people like the gigantic whales. Human sympathy【C1】______ whales is onl
游客
2023-09-09
32
管理
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. [br] 【C10】
选项
A、in
B、with
C、on
D、at
答案
D
解析
固定搭配题 。本题考查“以……的速度”的表达,应该为at the speed of...,句中省略了the speed of,后面直接接了15 knots(15海里/小时)。所以选择介词of。
转载请注明原文地址:https://tihaiku.com/zcyy/2997962.html
相关试题推荐
【B1】______devicesarechangingthewaypeoplelistentomusic,butstudies;
【B1】______devicesarechangingthewaypeoplelistentomusic,butstudies;
【B1】______devicesarechangingthewaypeoplelistentomusic,butstudies;
【B1】______devicesarechangingthewaypeoplelistentomusic,butstudies;
【B1】______devicesarechangingthewaypeoplelistentomusic,butstudies;
【B1】______devicesarechangingthewaypeoplelistentomusic,butstudies;
【B1】______devicesarechangingthewaypeoplelistentomusic,butstudies;
[originaltext]Nearlyathirdofyoungpeoplewithdisabilitieshavetakena
Peoplebornintheautumnlivelongerthanthoseborninthespring.Andth
Peoplebornintheautumnlivelongerthanthoseborninthespring.Andth
随机试题
(1)Farmersinthedevelopingworldhatepricefluctuations.Itmakesithard
下列哪一种酶是mRNA合成所必需的A.RNA聚合酶 B.RNA酶 C.DNA
关于固定资产折旧,以下说法中,不正确的是()。A.固定资产使用寿命、预计净残值和
拉斯韦尔的5W模式中throughwhatchannel的含义是A.通过什么路经
患者,男性,68岁,尿频、夜尿多、排尿不畅4年,10小时前饮酒后突然出现小便不能
下列法律事实中,能够引起诉讼时效中断的有( )。A.债权人的法定代理人丧失代理权
下列哪一选项不可能是左侧立体图形的视图? A.如上图所示 B.如上图所示
下列生产控制方式中,具有反馈控制特点的是()A.事前控制方式 B.事中
外资企业不能申请在中国境内设立银行卡清算机构。()
适用于黏性土、砂类土及碎石类土河床的围堰是()。A.竹、铅丝笼围堰 B.
最新回复
(
0
)