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1、NatureandhumanInthepasthundredyears,therehavebeenfrequentnaturaldisasters,suchasfloods,droughts干旱,mud-rockflows,seismic地震seawaves,earthquakes,windstormsandthestretchingofnewdeserts.Thedisastershavekilledmillionsuponmillionsofpeople,destroyedcountlesshomes,andwipedout消灭numerousp
2、iecesoffertile肥沃的land.Nowmoreandmorepeoplebecomeawarethatthosedisastershavemuchtodowithwhatwehavedonetotheearth.Wehavecutdowntoomanytreesintheforests,wehavebadlypollutedtheenvironment,wehaveshockedourownhome-planettimeandagain多次，常常withtremendouslypowerfulexplosionsofnuclearbomb
3、s.Asaresult,climateshavebecomeabnormal,rainwaterrushesdownhillsides山腰山坡angrily,andtheundergroundenergygoesup上升，增长，建起torevengeitselfonus.Theearthisouronlyhome-planet.Itisurgentforustostopdamagingit,andtodoourbesttoprotectitandmakeitalovelyplacesuitabletolivein,forwehavenowhereto
4、goandsurviveexceptwherewearenow.humanandanimalsThereisnodoubtthathumanactivityhasaneffectontheplanet.Weseetheevidenceofmankind’sendeavors努力尽力allaroundus.Overall全面考虑,itseemsthathumanactivityharmstheEarthmorethanbenefitsitmakes.Asisvividlybetrayedinthephotoabove,duetooverdevelopm
5、ent,thereislimitedlandbeingsetaside留出forendangeredanimals.Absolutely,weshouldreservesomelandfortheworld’sanimalsforthefollowingreasons.First,mankind’sneedforlandisconstantlygrowing.Ifthedemandisnotcheckedcontrolledinsomeway,humanswilleventuallydevelopalloftheearth’savailablelan
6、d.Atthattime,mankindwillhavenomoreroomtogrow,andallthewildanimalswillhavedisappeared,aswellasothervaluableresources.Second,humansareabletoinnovate改革andcanusethelandthattheyalreadypossessinmoreefficientways.Animalsareunabletodothis.Oncetheirlandistakenawayfromthem,theywilldie.Th
7、irdandlast,endangeredanimalsareanimportantpartofthebiodiversity生物多样性ofourplanet.Iftheydisappear,wecannotpredictwhattheeffectwillbe.Therefore,weshouldtreatsuchanimalsasavaluableresourcetobeprotected.Tosumup,theworld’sendangeredanimalsareanimportantresourceandweshouldprotectthemb
8、ysettingasidesomelandforthem.Althoughmankind’sneedforl
