三年级作文空气污染

Nowtheairisgettingworse,manyofthecity'sairqualityarenotuptothestandard.Sowemustprotectenvironment!

theairisduty.andsometimes.Wearetheteachers.Theyareworkers.Ourschoolisbeautiful.Howdoyoudo?Fine,thank

Toresolvetobefromtheirown,bitbybitthelittlethings.Suchas:multiplantsandtrees,donotspit,donotreadilyt

人与自然的关系是人类始终面临和解决的问题.当今,人与自然环境的关系出现了紧张和对立,整个生态系统不断受到破坏.由此,必须要建立人与自然和谐与共的新文明.为保障人与自然的和谐,保护生态平衡,除经济和法律

HowtoDealwithAirPollutionAlongwiththeadvanceofthesociety,moreandmoreissuesarebroughttoourattention,o

ProtectionoftheEnvironmentOncemandidnothavetothinkabouttheprotectionofhisenvironment.Therewerefewpeo

Airpollutionisoneofthemajorproblemsofthemodernworld.Agreatdealofenergyisneededtorunthefactoriesofmod

空气污染我们生活在钢筋水泥的森林里,我们对生机勃勃的树木远离了.现在的交通工具、建筑物或复杂的机械都给空气带来极大的污染,它们虽然都给我们带来方便,但大家有没有想到,它们也会污染空气对人体有害的.此时

简单.再答：我帮你再答：先好评。再告诉作名字是什么。

Airpollutionisoneofthemajorproblemsofthemodernworld.Agreatdealofenergyisneededtorunthefactoriesofmod

Airpollutionisoneofthemajorproblemsofthemodernworld.Agreatdealofenergyisneededtorunthefactoriesofmod

Airpollutionisoneofthemajorproblemsofthemodernworld.Agreatdealofenergyisneededtorunthefactoriesofmod

关于室内空气治理我可以帮到你,但如果是大气治理的话,只能说多采取些保护环境的措施,尽量减少污染的排放,多一些环保产业的开发.你也可以去深圳市力曼环境技术有限公司去查看下.

给你两篇,一篇是专业的,另一篇是比较简单的Thereareseveralmaincausesofairpollution,thevastmajorityofthemcanbeattributedtom

Airpollutionisoneofthemajorproblemsofthemodernworld.Agreatdealofenergyisneededtorunthefactoriesofmod

AirpollutionAirpollutioncomesfromfactories,powerstationsandcars.Chemicalsinthesmokefrompowerstations

Airpollutionisoneofthemajorproblemsofthemodernworld.Agreatdealofenergyisneededtorunthefactoriesofmod

我的课余生活像一座七彩桥,丰富多彩,下五子棋、打羽毛球、玩电脑、弹手风琴……没有一样是我不喜欢的,但我还是喜欢看书.星期天,妈妈都要带我到新华书让去看书,那里看书的人真多啊!有站着的,也有坐着的.我到

三年级作文扔沙包　　“叮铃铃,叮铃铃”下课的铃声响了,我们几个同学像小鸟一样,冲出教室,来到空地上,来玩我们喜爱的游戏：扔沙包.这个游戏的规则是：两个人在外面扔,几个人在里面躲,里面被砸到的就算“死”

Recentlyairpollutinhasbeenoneofthemostimportantproblemforus.Asachildoftheearth,whatshouldwedo.firstl