unit6lesson23oldedition课件
日期：2010-10-24 10:15
because________________2Ifwastefromfactoriesispouredstraightintorivers，_____________4Accordingtoaninternationallawpassedin1989，itwill______________________________________________3Whenhumanwasteispipeddirectlyintothesea，itisillegaltothrowanythingintotheocean5Howshallwedealwithradioactivewaste?ItmustbestoredonlandWhydopeoplethrowdangerouswasteintothedeepsea?Itwillbelongbeforethechemicalsstarttoescapefromthecontainers;thereisverylittlelifeandverylittlemovementofthewateratthebottomoftheoceanWhatdoes"whitepollution"referto?PlasticbagsandboxesWhatkindofwasteisnotallowedtobethrownintothesea?PlasticsandothersimilarrubbishWhatdoesthetableinPassage2indicate? 1Wastemustbetreatedproperly，ReviseLesson22Ifwastefromfactoriesispouredstraightintorivers，whatwillhappen?ItwillbecomeadangertolifeNowifyouarecloserthan___kmstoland，rubbishlike_____________________________________________Somedangerouswasteisusuallyputintometalcontainersandt，
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