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
51
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] 【C10】
选项
A、in
B、with
C、on
D、at
答案
D
解析
固定搭配 。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里/小时)。所以选择介词of。
转载请注明原文地址:https://www.tihaiku.com/zcyy/2997249.html
相关试题推荐
Silenceisunnaturaltoman.Hebeginslifewithacryandendsitinstill
Silenceisunnaturaltoman.Hebeginslifewithacryandendsitinstill
Silenceisunnaturaltoman.Hebeginslifewithacryandendsitinstill
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
Forme,scientificknowledgeisdividedintomathematicalsciences,natural
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
[originaltext]Naturaldisastersaffectpeopleatalllevels.Theexperience
Maypeoplelikethegiganticwhales.Humansympathy【C1】______whalesisonl
随机试题
Carsandotherroadvehiclesarethesinglemainsourceofharmfulnitrogen
妊娠晚期正常羊水的颜色为A.黄绿色 B.轻微乳白色不透明 C.深黄色 D.
H1受体阻断药对下列何种疾病疗效差A、过敏性鼻炎 B、过敏性皮炎 C、过敏性
1,32,81,64,25,()A.6 B.10 C.16 D.21
遥感技术是建立在物体()理论基础上的。A.对光的反射 B.对光的折射 C
对于同一不合格类的多个项目也可以规定一个AQL值,在规定时注意,项目越多,AQL
(2022年真题)养老院的社会工作者为认知症老人开展服务前,需征得其监护人同意,
患者男性,55岁。低热、腹胀5个月。查体:消瘦,全腹膨隆,未及肿块,移动性浊音阳
薄防渗墙槽孔的孔斜率不应大于()。A.2% B.4% C.2‰ D.
男,28岁,突发剧烈头痛、呕吐3天,伴发热1天。体检:神志模糊,瞳孔右6mm,对
最新回复
(
0
)