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英语四级阅读考前指导训练及答案XX英语四级阅读考前指导训练及答案xx 在当今这个学习英语风潮盛行的社会,英语似乎已经成为了我们生活中不可或缺的一部分,下面是为大家搜索的英语四级辅导练习,希望能给大家带来帮助! Where dopesticides fitinto thepicture ofenvironmental diseaseWe haveseen that they nowpollute soil,water andfood,thattheyhave thepower tomake ourstreams fishlessand ourgardens andwoodlands silentand birdless.Man,however muchhe maylike topretend thecontrary,is partof nature.Can heescape apollution thatis nowso thoroughlydistributed throughoutour world: We knowthat evensingle exposuresto thesechemicals,if theamount islarge enough,can causeextremely severepoisoning.But thisis notthe majorproblem.The suddenillness ordeath offarmers,farmworkers,and othersexposed tosufficient quantitiesof pesticidesis verysad andshould notour.For thepopulation asa whole,we mustbe moreconcerned withthe delayedeffects ofabsorbing smallamounts ofthe pesticidesthat invisiblypollute ourworld. Responsible publichealth offici...。