有关Population的优秀作文
Asisseenfromthetwographs,itisclearthatwiththerapidgrowthofU.S.populationfrom1800to1990,thenumberofitswildlifespeciesnolongerexistingsoaredduringthesameperiod.Naturally,wecandrawtheconclusionthatthesha...
Thehumanracehasexperiencedaconsistentincreaseinpopulationsincethebeginningofitshistory.Famineanddiseasehavedonelittletooffsetthissteadyincrease.Toomanypeopleareaddedannuallytothepopulationoftheworld.S...
Now,thepopulationquestionalreadytheworldwidebasisquestion,wemustpayattention.in2000theworldpopulationachieved6,000,000,000,becausethepopulationquestionhasbeenintheworldthemostmajorproblemoverpopulatio...
Ithasbeenestimatedthatathousandyearsagotherewerelessthan400millionpeopleonearth.Today,however,theworld'spopulationhasamountedto5,000million.Whatisworse,itkeepsgrowingatasurprisingspeed.Ifthistrendconti...
Populationexpansionisoneofthemostseriousproblemsintheworld.Withbetterhygienicconditionsandbettermedicalcare,fewerbabiesdietoday.Butthebirthrateremainsunchanged.Moreover,thedeathratehasbeenloweredconsi...
Manycountrieswillexperienceagingpopulationsinthenextcenturybecauseofdecliningbirthandmortalityrates.Chinawillsoonjointheirranks.Accordingtostatistics,theagingofChina'spopulationwillapproachitspeak...
nothingintoday'sworldisasbigaproblemasthatofpopulation.peoplebegintoworryaboutthesupportcapacityoftheearth.andtheremightbeonlystandingroomforeachpersoninthefuture.lima'spopulationwas5.7million...
Environmentalproblemsarebecomingmoreandmoreseriousallovertheworld.Forexample,carshavemadetheairunhealthyforpeopletobreatheandpoisonousgasisgivenoffbyfactories.Treesonthehillshavebeencutdownandwastewat...
Manycountrieswillexperienceagingpopulationsinthenextcenturybecauseofdecliningbirthandmortalityrates.Chinawillsoonjointheirranks.Asfortheissueofaging,itssituationhasbeengrowingincreasinglysevereinspite...
Thisisreallyaseriousproblemweshouldpayattentionto!Sothistopicisquitemeanfulling!sonetcollectedthisessayforyou!Thehumanracehasexperiencedaconsistentincreaseinpopulationsincethebeginningofitshistory.Fam...
Currently,thereisawidespreadconcernaboutthepreviouslyneglectedconnectionbetweengrowinghumanpopulationanddecreasingwildspecies.Asthetwographsobviouslyportrayed,Americanpopulationin1980was250timesthanth...
热门标签
-
生活因写作而精彩
银河护卫队四年级
友情与微笑
接吻
“六·一”庆祝会
避险
小黄瓜
十商
假期最难忘的游戏
以龙的姿态腾飞
过新年真开心
让城市变得更美丽
真正男子汉
巡道
千钟
小星星
夏天的热
那一刻我了写一篇500字
水果糖
K1062
你在我心里
游大雁塔北广场
冰柱
丽江古城导游词
记忆永存
我学会了捏泥人
学会关心他人
前进的时代需要英雄
损悦
却最神圣
周光召
最好的礼物
我喜欢的一种小动物
记我们的第一次辩论会
想飞的小蚂蚁
读《我的世界下雪了》有感