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
2024-02-12
4
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] 【S8】
选项
答案
M
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3444139.html
相关试题推荐
Ihavebeenstudyingthenatureofthe"loweranimals"andcontrastingitwi
Inhistorythereweremanywell-knownpeople______.(经历过失败)whounderwent/suffe
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
DiscoverybyAccidentInthelonghistoryofman’si
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
[originaltext]Millionsofwordshavebeenwrittenaboutyoungpeopleinthe
Throughouthistorythebasicunitofalmosteveryhumansocietyhasbeenthe
随机试题
[originaltext]Majestic,serene.Justtwowordstodescribethescenicregio
WhyPagodasDon’tFallDownA)Inalandsweptbytyphoon
喉上神经内支经()入喉()A.甲状舌骨膜 B.环后隙 C
经产妇,29岁,足月妊娠在家自然分娩,胎儿娩出l小时后胎盘未娩出而入院。诉产时顺
A.MRI B.膝关节造影 C.关节镜 D.CT E.X线平片无助于半月
甲公司期末进行财产清查时,发现如下情况:现金盘亏544元,原因待查。现金盘亏
A.HPC B.PVP C.CAP D.HPMC E.EC羟丙甲基纤维素
教育必须适应儿童的身心发展水平。
关税是对( )所征收的一种税。A.进出境货物 B.进出境运输工具 C.进出
对确诊的儿童艾滋病病毒感染者,医疗机构的工作人员应当将其感染的事实A.告知本人
最新回复
(
0
)