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1-20CABCC,BABCC,BACCA65,35million,useful,goldenyears,needs21-35ADBCB,DBDBA,DCBDC36-47DCBAC,ABDAB,CD48-55at,There,that/which,asShould,the,her,more56-70CCACD,BADAA,CBABB71-78Tips/Suggestions/Advice,AskforhelpDohomework,smilingStaypositive,introubleBelate,Joinschoolclubs79.Hewaswalkingdownabusyshoppingintersection.(2)80.Becausetheirluggagewasstolen.(2)81.twasawholefamily;Hesawthesweet,expectantfacesoftheirchildren.(3)Ladiesandgentlemen,Goodmorning.I’mLiHuafromFujian,China.It’smygreathonortobeheretosaysomethingabouttheglobalwatershortageandwaysofdealingwithit.Asweknow,theglobalwatershortageisbecomingincreasinglyseveremainlyduetoglobalwarming,environmentalpollutionandtheever-increasingpopulation.Therefore,it’shightimewedidsomethingaboutit.Firstly,aneffectiveway,Ithink,istoreservewaterinascientificwayforfutureuse.Secondly,newmethodsneedtobedevelopedtousetheexistingwaterresources,forexample,turningseawaterintofreshwater.Thirdly,wemuststopwaterpollutionbylaw.Lastbutnotleast,it’severyone’sresponsibilitytomakegooduseofwater,suchasrecyclingandsavingwaterinourdailylife.Inconclusion,peoplearoundtheworldshouldbeawareoftherealsituationofwatershortage,protectthepresentwaterresourcesandexplorepotentialonesscientifically.That’sall.Thankyou.
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