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1、SavingtheEarth Thepopulationoftheearthisincreasingveryfast.Humansmustmaketheearthsupporttheincreasingpopulation.Thishasmadeitnecessaryforagricultureandindustrytodeveloprapidly.Sucharapiddevelopmentproducesmoreandmorewaste,whichgoesintothewater,thesoilandtheair.Someofitis
2、madeharmless.However,wherethereistoomuchofit,thepoisonouswastemaydogreatharmtothe thingsaroundthepeople. Whenfarmersaddfertilizertothesoiltomakeplantsgrowbetter,orusepoisontokillpests,poisonissentintotheair,thewaterandthesoil.Whenbirds,fishandpeopleeatthegrain,drinkthewa
3、terorbreaththeair,harmwillbedonetotheirhealth. Theairinbigcitiesisoftenmadeverydirtybycarsandfactories.Millionsoftonsofwasteandpoisonousgasesaresentintotheairwiththesmoke.Insomeplaces,littleisdonetomakethesmokecleanbeforeitgoesintotheair. Fortunately,peoplearebeginning
4、torealizejusthowseriousthewholesituationis.Inmanycountries,lawshavebeenmadetostopfactoriesfromsendingoutpoisonousgases.[点评] 人类人口过快的增长，社会过快的发展使地球不堪重负。所幸，人们已意识到这一点，开始行动起来拯救地球，也就是拯救自己。此文证据虽然充分，结尾却有些分量不足。[参考译文]拯救地球 地球的人口增长很快。人类要使地球能够养活众多的人口，就得迅速发展工农业。由于工农业的迅速发展，即能产生出越来越多的废
5、弃物，这些废弃物流进水里，渗入到土壤中，散发进空气中。其中的有些是无害的。然而，在废弃物太多的地方，有毒的东西会对周围的物和人有害。 农民为了让庄稼地茂盛，给地里施肥，为了杀死害虫，往地里喷药，这个时候，有毒的气体就会散发到空气中，水里和上壤里。当鸟、鱼以及人们吃这些粮食，饮用这些水，呼吸空气时，就对他们的健康造成危害。 大城市的空气经常被汽车和工厂弄得很糟。成千上万吨的废物和有毒气体随烟散发到空气中，有些地方，根本就不做净化处理，直接让它排到空气中。 可庆幸的是，人们已渐渐对此严重的形势有所认识。有些国家还颁布了法令来阻止工厂
6、向外排放毒气。Natural Resources-自然资源 Naturehasprovideduswithmanykindsofresources.AlmosteverythingweuseinoureverydaylifecomesfromNature.Thefoodweeat,thewaterwedrink,theclotheswewear,theconcreteandbrickstobuildourhouses,thematerialstomakebikesweride,etc,allcomeoriginallyfromNatur
7、e. Peoplehavebeenmakinguseofthesenaturalsuppliesforthousandsofyears.Withthedevelopmentoftechnologyandtheincreaseofthepopulation,theamountandrangeofmaterialstakenhasincreased.Itisestimatedthatthistreadwillcontinueintheyearstocome. However,naturalresoucesarenotinexhausti
8、ble.Someresourcesarealreadynearlyusedup.Forexample,theendoftheworld'sfuelisalreadywithins
