Lesson2ProtectingtheSea (4).ppt

Lesson 2 protecting these a、watersportssprocessts、sailing、waterpolo、surfing、waterskiing、diving、swimming、food、transportation、oil、medicine、research、oil、dirty、however和doyouknowwtheseaisnow？theseaisbeingillnow . itisbadrlypolluted、polluted、weshouldprotectthesea。whatakestheseadity/polluted？agricultural waste、industrial waste、chemical、plastic、oil、rubbish、over fish、listening和what is，it saboutprotectingthesea。listentolearn、listening strategies : beforeyoulisten、havelookattheexercissqueicklyanduseyourbackgroundknowledgetoon，listening，q1: what are the 2 main problems？q 3: whatarehersonsforthe 1st problem？q 2330 whatrethecats forthe 2nd problem？pollution、over-fisheing、toomanyfinishereniintrsamepace、better technology、chemical、plastic和rubbisheing，q 5: whatarehesolutiontothe 2nd problem？lookkforwaystoreducepollution、keepaarecordofleesofpollution、punish polluters、controlthenumbersoffish、banfish、agriculturealsohasobadeffectsonthesea、agricultural waste、whatishapponigtothesea？someactoriespullthewastewater into thesea、industrial waste、whatishapponigtothesea？Theoilmkestheseapolluted。whatishapponigtothesea？费舍，whatatishappininggtothesea？rubbishispollutingtheseandthebeach、whatishappengtothesea？plastic、which wont breakdown、isc alledwhitepolation、allsortsofchemicals、plastic、rubbish、oilmostofthemcomefromindustrial landagriculturalwast