牛津譯林版高中英語必修五unit2theenvironmentppt練習(xí)課件5(已修改)
2024-12-20 17:30 本頁面
【正文】 Unit 2 The environment 環(huán)境污染已經(jīng)成為全球問題 ， 保護(hù)環(huán)境 ， 人人有責(zé)。你知道環(huán)境污染有哪些類型嗎？是什么造成了這些污染呢？讀一讀下面的文章了解一下吧！ Unit 2 The environment P ollu t ion Alt h ough it r ar e ly h its t h e h e adl in e s ， p oll u t ion is a bi g issu e .Air p ollu t ion is a m a j or k il ler .Othe r sor t s of p oll u t ion ，w h i le n ot h avin g s u c h a se ve r e e f f e c t on h u m ans ， d am age our e n vir onme n t and sp oil ou r q u al ity of li f e . Unit 2 The environment Air p ollu t ion A gove r n m e n t c o m m itt e e h as e stim a t e d ( 估計(jì) ) t h at 12 ， 000 t o 24 ， 000 p e opl e in t h e U K d ie e ve r y ye ar f r o m t h e e f f ect s of air p ollu t io n . In m any p ar t s of W e s t Lon d o n t h e air is n ot f it t o b r e at h e .Th e m ain sou r c e of air p o ll u t ion is t r af f ic e m iss ion s .S ig n i f ica n t am oun t s also c o m e f r o m r e sid e n t ial( 住宅的 ) and c om m e r c ial gas u se ， in d u str y ， c ons t r u c t ion site s and e m issi ons f r om o u t sid e Lon d on. Unit 2 The environment W at e r p ollu t ion Th e q u ality of t h e wa t e r in our r iv e r s an d c anal s is ge n e r ally n ot t oo e y ar e n ot f it f or u s to sw im in and t h e y ar e of t e n n ot t oo g ood f or wild l if e e ither .A p ar t icular c las s of p oll u t ants w h ich c an ge t in t o w at e r and which t h r e at e n our h e alth and our w il d li f e ar e p e stic id e s( 殺蟲劑 ) .31 ， 000 t ons of p e stic id e s ar e u se d in t h e UK e v e r y ye a r .W at e r c om p ani e s h ave t o c ons t antly t e st f o r p e stic id e s and r e m ovin g t h e m f r o m d r in k in g w at e r c ost s us — c ons u m e r s of w at e r — lar ge su m s of m one y . Unit 2 The environment No ise poll u t ion No ise is a c om m on p r obl e
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1