来自高龙琴的问题
现在地球上生态环境恶化的主要原因是什么?
现在地球上生态环境恶化的主要原因是什么?
1回答
2020-03-30 19:57
我要回答
请先登录
李保利
人类活动.
由于工农业的的发展,城市化的发展,人们开山劈岭,开拓耕地,从而造成动物栖息地骤减.
而且由于人类的无节制的开采和捕猎,使得动植物多样性降低,进而使生态恶化.
工农业的发展造成的污染也是环境恶化的重要原因.
2020-03-30 20:00:44
最新问答
推荐文章
猜你喜欢
附近的人在看
推荐阅读
拓展阅读
- "shesaidhappy"or"shesaidhappily"如题
- 感恩的心是诗歌吗?
- MissLiusaid______shewouldleavethemessageontheheadmaster”sdesk.填什么?
- 【Afterhearingthesong,shesaidwhatawonderfulsongshe_.AheardBhadheardChasheardDwouldheard】
- Katesaid“Hello”toMrPatelassheentered.Shepickedupawirebasketandwalkedtowardsthebackofthestore1thericewaskept.Theroomwasquitelargeanddividedbythreelongaisles(过道)withrowsofshelvesfullof2&sh
- 【请不要把我当小孩的英语怎么写】
- 【Shesaid,”Mary,Ihavefinishedmywork.”(改为间接引语)ShetoldMarythatshehadfinishedherwork.不知这样是否也可以：ShesaidtoMarythatshehadfinishedherwork.、、、?】
- ____whoshewas,shesaidshewasMr.Johnson'sfriendAaskingBaskedCtoaskDwhenasking解析下
- shesaidthatshelikedenglishverymuch.是什么从句?kuaikuai
- Shesaid,"Imustgohome."变为间接引语时,must需要变吗?像Shesaid,"Icanswim."就变为Shesaidthatshecouldswim.把can变为了could
- 英语填空题shesaidthatshedidnotlikeherpresentflatand_____(try)tofindanother.用括号里单词的正确时态填空.为什么不能用tried?wastrying.并把这个句子翻译了.
- sheliedtohim.whatshesaidwasfalse.在这两句话中,WHAT在句之中起什么作用啊.如何翻译啊.
- 请用所给的英语单词和词组组合成句子.don'tcananotherIhamburgerslikewetoresaurantgo______________________________________________
- Theladysaidshewouldbuyagiftforherdaughterwiththe___.A.20dollarsremainedB.remaining20dollars为什么选B.
- 【Marysaidshewouldcomelate,andlateshewas.请讲解第二个分句为什么是这样的一个形式?】
- she_thatshe_herbesttohelpthemthenextterm.A.said,willdoB.said...woulddo怎么填啊
- 【英语翻译Oneday,MrBlackwentintoarestaurant.Heputhiscoatonachairnearthedoor.Therewasnothinginthepocketsofhiscoat.Afterhehadhismeal,hewenttotakehiscoatback.Hefoundtherewasmuchmoneyinoneofhispockets.“Whos】
- --Thegirlissaidtohave__giftforteachingdeafchildren.--She`ssomething.Ithinkitcallsfor__patienceandimagination.请填冠词
- 【选填notallow和use的适当形式Shesaidshe_____tothelifeinShanghaiTheprivatecars_____inBeijing.】
- shewasverysad,andshesaidshewantedtodrink_thatwineAalittleBalittleofCabitDalittlebit
- IwonderifJuliewillarriveatfivethirtyasshesaidthismorning.这个事选A吗A、Ithinkso.B、Shewillbelate.C、Idon’tknow.D、Don'tworry.Shealwayskeepsherword
- 引号后的单词首字母是大写还是小写?比如说"Really?"shesaid.还是"Really?"Shesaid.
- 跪求高一必修三课文caughtbyablackhole全文翻译!
- Janesaidshe__sendinge-mails___letters.Apreferred,towritingBpreferred,towriteCprefers,towritingDprefers,towrite
- 【shesaidtous,"i'llcomeheretomorrow改为间接引语】
- Shesaidthatshewoulddo_______shecould__________herdaughterlaugh.A.whatmakeB.thatmakeC.whattomakeD.thattomake
- 【Shesaidthatshewoulddo_____shecould______】
- Shesaid__shedidn'tliketheuniform
- 关于母亲节的英语作文（急!）母亲节就要到了,为了感谢母亲,我能做些什么及感受?（3件以上、80词）
- 【什么是多音节词,双音节词和单音节词】