首页
登录
职称英语
What is this passage mainly about? [originaltext] Scientists say sharks have
What is this passage mainly about? [originaltext] Scientists say sharks have
游客
2023-11-18
55
管理
问题
What is this passage mainly about?
Scientists say sharks have lived in the world’s oceans for millions of years. Scientists say there are more than 350 different kinds of sharks.
Sharks do not have bones, and a shark has an extremely good sense of smell. It can find. small amounts of substances in the water, such as blood, body liquids and chemicals produced by animals. Sharks also sense electrical and magnetic power linked to nerves and muscles of living animals. These powerful senses help them find their fond. Some sharks will eat just about anything. Many unusual things have been found in the stomachs of some large sharks. They include shoes, dogs, a cow’s foot and metal protective clothing.
About forty percent of the different kinds of sharks lay eggs. The others give birth to live young. Some sharks carry their young inside their bodies like humans do.
Scientists are beginning to understand the importance of sharks to humans. Medical researchers want to learn more about the shark’s body defense system against disease. They know that sharks recover quickly from injuries. Sharks appear never to suffer infections, cancer or heart diseases.
选项
A、The necessity of protecting sharks.
B、The living environment of sharks.
C、The dangers of sharks to human beings.
D、An introduction to sharks.
答案
D
解析
原文围绕着鲨鱼(sharks)的生活习性展开,依次说明了它的身体特征,捕食方法,繁殖方式和对疾病的抵抗性等,故D 为答案,而A 和C 与本文无关,B 过于片面。
转载请注明原文地址:https://tihaiku.com/zcyy/3196679.html
相关试题推荐
WhendidMrs.Westongotoseeherdoctor?[br][originaltext]WhenJohnWe
Whatistheplacethewomancallsto?[br][originaltext]M:Hello,NationalEx
Whatistheplacethewomancallsto?[originaltext]M:Hello,NationalExpress
Whatisthewoman’spurposetohavesuchaconversation?[br][originaltext]W:
Whatisthewoman’spurposetohavesuchaconversation?[br][originaltext]W:
Whatisthewoman’spurposetohavesuchaconversation?[originaltext]W:Philip
Thescientistshaveabsolutefreedomastowhatresearchtheythinkitbestto_
WhohasthesovereigntyovertheHarwarIslands?[br][originaltext][26]Str
Whendidtheincidenthappen?[br][originaltext][27]Theincidenttookpla
Whendidtheincidenthappen?[originaltext][27]Theincidenttookplacelas
随机试题
DuringMcDonald’searlyyearsFrenchfriesweremadefromscratcheveryday.
It______snowtomorrow,buttheywillclimbthemountain.A、mustB、mayC、canD、cou
FirstAidforAnimalBitesRisksofBitesThemostc
某单位在当地行使环境监督管理权的部门现场检查时弄虚作假.情节恶劣,则有关部门应该
下列句子中,加点的成语使用不恰当的一项是()。
欲称取0.1g药物,按规定其相对误差不超过±10%,选用天平的分度值为A:0.2
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
塑钢是铝合金的可替代商品,根据塑钢的销售量,可大体预测铝合金的需求变化。这种预测
下列选项中,对“丝绸之路”有关的表述,不正确的是( )。A.货物中丝绸品影响最
根据禁毒部门的要求,社会工作者需要排查机构服务辖区内登记在册的吸毒人员,社会工作
最新回复
(
0
)