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1、ChangesinPeople'sDietAscanbeseenfromthetable,greatchangeshavebeentakingplaceinpeople'sdietinthepastfiveyears.Grain,asthemainfoodofmostChinese,isnowplayingalessimportantrole,whiletheproportionofsomehigh-energyfoods,suchasmilkandmeat,hasincreased.Whathascausedthesechanges?Ithinktherearetworeaso
2、ns.First,peoplenowhavemoremoney.Thepriceofmeatandmilkismuchhigherthanthatofgrain,sointheolddayspeoplecouldn'taffordthem.Nowtheyhaveenoughmoneytobuybothmeatandmilk.Second,peoplenowadayspaymoreattentiontotheelementsoftheirdiet.Theylookforawell-balanceddietthatwillbegoodfortheirhealth.Inshort,th
3、erehavebeenchangesinpeople'sdietinthepastfiveyearsbecauseoffinancialandhealthreasons,andtherewillbefurtherchangesinthefuture.柱状图：纵横推论（根据横坐标的发展，来描述纵坐标的变化）PopulationofaSmallIslandStateDirections:Writeacompositionbasedonthefollowinggraph.Thecompositionshouldbeentitled"PopulationofaSmallIslandSta
4、te."Fromthediagram,wecanseethatbetween1900and1950,thepopulationofthestateremainedalittlelessthan200,000.Since1951ithasbeenincreasingrapidly.Inthepastfourdecades,thepopulationhasgoneupbyoverthreetimes.Thereareseveralreasonsfortheincrease.Firstly,theopenpolicybeingcarriedoutinthestatehasenabled
5、manyforeignlabourerstoworkthere.Secondly,thebeautifulsceneryofthesmallislandhasattractedmanytouristsandsomeofthemhavebeenpermittedtosettlethere.Inaddition,thegovernmentmaynothaverealizedthenecessityofcontrollingpopulation.Ifthistrendcontinues,itisnodoubtthatthesmallstatewillsufferfromvariousk
6、indsofproblemscausedbyoverpopulation,suchaslackoflandresources,foodshortageandtrafficcongestion.Therefore,actionsshouldbetakentocontroltheincreaseofthepopulation.ChangesinCollegeStudents'WaysofSpendingSummerVacationOutline:1statethechangesbriefly2givepossiblereasonsforthechanges3predictthetre
7、ndofchangesCollegeStudents'WaysofSpendingSummerVacationA.stayingathomeB.travelingC.doingsocialinvestigationD.otherwaysFromthetwocharts,wecanseethatinthepasttenyearsthenumberofstudentswhogotravellingordosocialinvestigationduringsummervacationh
