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
53
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] 【C6】
选项
A、support
B、preparation
C、supplies
D、supplement
答案
C
解析
名词辨析题 。根据主句中的“鲸鱼成为最大的动物”可以推断出相应的原因:“有了充足的食物供应”,supplies“供应,补给”符合句意,为正确答案。
转载请注明原文地址:http://tihaiku.com/zcyy/2997958.html
相关试题推荐
PlanningandPeopleInallkindsoforgani
PlanningandPeopleInallkindsoforgani
PlanningandPeopleInallkindsoforgani
PlanningandPeopleInallkindsoforgani
PlanningandPeopleInallkindsoforgani
Iinterviewedsomepeople______(他们是最优秀的演说家和畅销书的作者).whoaretopspeakersanda
Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeople
Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeople
Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeople
Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeople
随机试题
Somedietersfindthataftertheirdietingisover,theyeattwice_________the
Collegeaccommodationusuallyconsistsofasingleroom,andprovidesbothmeals
CPU执行指令时,先根据()的内容从内存读取指令,然后译码并执行。A.地址寄
石瘿相当于西医学的A.甲状腺肿 B.甲状腺炎 C.甲状腺瘤 D.甲状腺病
有疏散风热,解毒透疹,消肿利咽功效的中药是A.薄荷B.防风C.蝉蜕D.荆芥E.牛
某日,小李从甲地出发,开车前往乙地。若初始速度为每60千米需要行驶一个半小时。2
下列属于消防水池、消防水箱的检测验收要求的是()。A.消防水池、消防水箱的施工
某商店以56元每瓶的价格进购了一批消毒水,以80元每瓶的价格售出,从第二天起每天
ABC会计师事务所的质量管理体系部分内容摘录如下: (1)ABC会计师事务所以
2013年4月,某机电机电工程施工企业发生固定资产盘亏5万元。根据企业会计准则及
最新回复
(
0
)