Howtogetridofwasteisagreatproblemfortheworldtoday.Wastemustbetreated1      itwillnotbecomeadangertolife.2      insomecountrieswastefromfactoriesisstillpouredstraightintorivers.Peoplewhousethewaterfromtheseriversoftenget3      Thewatermaybecomesopollutedthatit4      allthefishintherivers.Whentheseriversfinallyreachthe5      theypollutetheocean.

 Inmanycountrieswith6      humanwasteispipeddirectlyintotheseawithoutbeingdealtwith.Thisisnot7      .Althoughtheseacanbreakdownthewastebeaches8      bepolluted.9      scientistssuggestpeopletakethewastefarouttoseainshipswherethewindandwavescanbreakitdown.

 In1989aninternationallawwaspassedto10      peopleputtingwasteintothesea.Itisnowagainstthe11      toputallwasteintothesea.Rubbishlikeplasticcan'tbethrown12      thesea.Otherwastecanbeputintotheseaeither19ormorethan40kilometersfromland13      thenatureofthematerials.

 The14      ofdealingwithwastehasbecomesogreatthatseveralinternationalorganizationshavebeen15      toprotecttheenvironmentandcontrolpollution.

( )1.A.asif   B.sothat   C.eversince   D.nowthat

( )2.A.Luckily   B.Happily   C.Unfortunately   D.Hopefully

( )3.A.sick   B.hope   C.rich   D.fun

( )4.A.raises   B.feeds   C.kills   D.breaks

( )5.A.pool   B.lake   C.spring   D.sea

( )6.A.grassland   B.plains   C.seacoasts   D.deserts

( )7.A.safe   B.useful   C.dirty   D.wrong

( )8.A.need   B.may   C.can't   D.needn't

( )9.A.So   B.Because   C.Since   D.But

( )10.A.stop   B.suggest   C.keep   D.find

( )11.A.school   B.organization   C.factory   D.law

( )12.A.outof   B.awayfrom   C.into   D.above

( )13.A.dependingon B.feedingon C.leadingto D.connectingto

( )14.A.news   B.method   C.problem   D.disadvantage

( )15.A.punished   B.setup   C.refused   D.interviewed