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有關Population的精選作文

the population question作文
  • the population question作文

  • Now,thepopulationquestionalreadytheworldwidebasisquestion,wemustpayattention.in2000theworldpopulationachieved6,000,000,000,becausethepopulationquestionhasbeenintheworldthemostmajorproblemoverpopulationbringsmanyquestions,causedthedevelopingcountrypop...
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Population to Be Curbed作文
  • Population to Be Curbed作文

  • nothingintoday'sworldisasbigaproblemasthatofpopulation.peoplebegintoworryaboutthesupportcapacityoftheearth.andtheremightbeonlystandingroomforeachpersoninthefuture.lima'spopulationwas5.7millionin1985butitgrewto9.1millionin2000.tianjin'swas...
  • 28589
Population and Environment作文
  • Population and Environment作文

  • Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Forexample,carshavemadetheairunhealthyforpeopletobreatheandpoisonousgasisgivenoffbyfactories.Treesonthehillshavebeencutdownandwastewaterisbeingpouredcontinuouslyintohermore,whereverweg...
  • 31276
The Problem of Human Population作文
  • The Problem of Human Population作文

  • Ithasbeenestimatedthatathousandyearsagotherewerelessthan400millionpeopleonearth.Today,however,theworld'spopulationhasamountedto5,000million.Whatisworse,itkeepsgrowingatasurprisingspeed.Ifthistrendcontinues,theworld'spopulationwillshootupto7,000millionb...
  • 15665
Aging of Population in China作文
  • Aging of Population in China作文

  • Manycountrieswillexperienceagingpopulationsinthenextcenturybecauseofdecliningbirthandmortalityrates.Chinawillsoonjointheirranks.Accordingtostatistics,theagingofChina'spopulationwillapproachitspeakbythemiddleofthenextcentury,withthepercentageofthe...
  • 19649
Population Burden作文
  • Population Burden作文

  • Manycountrieswillexperienceagingpopulationsinthenextcenturybecauseofdecliningbirthandmortalityrates.Chinawillsoonjointheirranks.Asfortheissueofaging,itssituationhasbeengrowingincreasinglysevereinspiteofthefactmostpeoplearestillignorantoftheproblemsit...
  • 8072
The World Population Explosion作文
  • The World Population Explosion作文

  • Thehumanracehasexperiencedaconsistentincreaseinpopulationsincethebeginningofitshistory.Famineanddiseasehavedonelittletooffsetthissteadyincrease.Toomanypeopleareaddedannuallytothepopulationoftheworld.Soboththecausesofpopulationincreaseandtheresultsofh...
  • 32296
The World Population Explosion大綱作文
  • The World Population Explosion大綱作文

  • Thisisreallyaseriousproblemweshouldpayattentionto!Sothistopicisquitemeanfulling!sonetcollectedthisessayforyou!Thehumanracehasexperiencedaconsistentincreaseinpopulationsincethebeginningofitshistory.Famineanddiseasehavedonelittletooffset(抵消)thissteadyi...
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Population expansion作文
  • Population expansion作文

  • Populationexpansionisoneofthemostseriousproblemsintheworld.Withbetterhygienicconditionsandbettermedicalcare,fewerbabiesdietoday.Butthebirthrateremainsunchanged.Moreover,thedeathratehasbeenloweredconsiderablybyvariouskindsofprogress.Peoplegenerallyliv...
  • 18934
population growth作文
  • population growth作文

  • Asisseenfromthetwographs,itisclearthatwiththerapidgrowthofU.S.populationfrom1800to1990,thenumberofitswildlifespeciesnolongerexistingsoaredduringthesameperiod.Naturally,wecandrawtheconclusionthatthesharpdeclineofwildlifespeciesresultedfromthepopulatio...
  • 12988
growing human population作文
  • growing human population作文

  • Currently,thereisawidespreadconcernaboutthepreviouslyneglectedconnectionbetweengrowinghumanpopulationanddecreasingwildspecies.Asthetwographsobviouslyportrayed,Americanpopulationin1980was250timesthanthatin1800,atrendaccompaniedbytheextinctionofnearly7...
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