首页
登录
职称英语
Over the history of the earth, millions of animal and plant species have dis
Over the history of the earth, millions of animal and plant species have dis
游客
2023-07-11
26
管理
问题
Over the history of the earth, millions of animal and plant species have disappeared. Most of these species disappeared, or became【S1】______, because of【S2】______causes such as climatic changes or a catastrophic event, like an asteroid hitting earth. What is different today is that most species that are in danger of becoming extinct are not endangered because of natural causes but because of【S3】______activity. Today, we will be looking at the reasons that many plants and animals are endangered and how these reasons, or causes, are related to human activity.
They single most important cause of endangered species today is the【S4】______and degradation of habitat (栖息地). Most animals and plants are【S5】______live and reproduce in a specific environment, habitat. They cannot【S6】______if they lose the specific habitat that they are adapted to live and reproduce in.
There are many ways that human activity destroys habitat. For example, forests, grasslands, and deserts, which provide habitat to many plants and animals, are【S7】______in order to develop residential areas for people to live in and industrial area for people to work in. Land is also cleared to prepared it for farmers to grow crops on. Swamps and marshes, which provide habitat to many animal and plant species, are often【S8】______and filled in, also to provide land for development or agriculture.【S9】______rivers are sometimes dammed (筑坝) in order to provide people with electrical power. All of these human activities, such as clearing forests, grasslands, and deserts; draining (排水)swamps and marshes, and damming rivers【S10】______the destruction of habitats that many plants and animals need to live and reproduce in.
A) extinct B) natural C) survive D) anniversary
E) destruction F) human G) result in H) separated
I) cleared J) leave K) Finally L) correspondence
M) drained N) In addition O) adapted to [br] 【S3】
选项
答案
F
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2827868.html
相关试题推荐
Forthefirsttimeinhistory,evolutionhastakenabackseat.Thereisanongoi
Ihavebeenstudyingthenatureofthe"loweranimals"andcontrastingitwi
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
Throughouthistorythebasicunitofalmosteveryhumansocietyhasbeenthe
Throughouthistorythebasicunitofalmosteveryhumansocietyhasbeenthe
随机试题
Astheholidaysapproach,manypeoplearefinishingtheirtravelplans.And
Americanculturehasnotbeenimmunetoculturalinfluencesfromoutside.Th
(1)Foranyonewhodoubtsthatthetextingrevolutionisuponus,considert
A.黄色脓性痰 B.棕红色痰 C.铁锈色痰 D.棕褐色痰 E.浆液脓性痰
酚妥拉明的药理作用不包括A.阻断血管平滑肌α受体B.直接舒张血管平滑肌C.阻断神
孕早期心脏病病人,决定能否继续妊娠的重要依据是A.胎儿的大小 B.症状严重程度
下表是我国2011年主要商品进口数量、金额及其占比情况。请问单价(金额+数量)低
为减小在软弱地基上的建筑物沉降和不均匀沉降,下列措施最有效的是( )。A.调整
某政府机关内甲、乙两部门通过门户网站定期向社会发布消息,甲部门每隔2天、乙部门每
绿原酸分子结构中含有的结构单元是A.一分子大黄酸 B.一分子胆酸 C.一分子
最新回复
(
0
)