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
61
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] 【C8】
选项
A、through
B、across
C、into
D、within
答案
A
解析
介词辨义 承接前文提到的鲸鱼身体庞大,本句进行了类比,鲸鱼的artery(动脉)非常大,足够小孩在其中游泳。因为artery是一个封闭空间,所以选用介词through。
转载请注明原文地址:https://tihaiku.com/zcyy/2997247.html
相关试题推荐
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
[originaltext]Silenceisunnaturaltoman.Hebeginslifewithacryande
[originaltext]Silenceisunnaturaltoman.Hebeginslifewithacryande
Maypeoplelikethegiganticwhales.Humansympathy【C1】______whalesisonl
Maypeoplelikethegiganticwhales.Humansympathy【C1】______whalesisonl
Maypeoplelikethegiganticwhales.Humansympathy【C1】______whalesisonl
Maypeoplelikethegiganticwhales.Humansympathy【C1】______whalesisonl
Maypeoplelikethegiganticwhales.Humansympathy【C1】______whalesisonl
随机试题
Manysmallculturalgroupsliveinplacesfarawayfrommoderncities.Some
Thecountry’stransformationintoamarketeconomycallbeslowanddifficult.A、
______eitherofthemtakenpartintheperformance?A、HaveB、IsC、HasD、AreCeit
合力F、密度ρ、长度l、流速v组合的无量纲数是( )。
根据《建设工程质量管理条例》的规定,施工单应当建立质量责任制,确定工程项目的(
心脏内传导速度最快的部位是A.窦房结 B.心房肌 C.心室
接地引下线金属表面锈蚀,影响外观的定为()陷。(A)普通缺陷(B)一般缺陷
2015年11月18日习近平在亚太经合组织工商领导人峰会上的主旨演讲中指出,要解
某建筑工程混凝土灌注桩桩长为25m,桩径为1200mm,采用钻芯法检测桩体质量时
()关系到明挖法实施的成败。A.围护结构及其支撑体系 B.查明地质条件
最新回复
(
0
)