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1、ChangesinPeople'sDietAscanbeseenfromthetable,greatchangeshavebeentakingplaceinpeople'sdietinthepastfiveyears.Grain,asthemainfoodofmostChinese,isnowplayingalessimportantrole,whiletheproportionofsomehigh-energyfoods,suchasmilkandmeat,hasincreased.Whathascausedthesechanges?Ithinkthe
2、rearetworeasons.First,peoplenowhavemoremoney.Thepriceofmeatandmilkismuchhigherthanthatofgrain,sointheolddayspeoplecouldn'taffordthem.Nowtheyhaveenoughmoneytobuybothmeatandmilk.Second,peoplenowadayspaymoreattentiontotheelementsoftheirdiet.Theylookforawell-balanceddietthatwillbegoo
3、dfortheirhealth.Inshort,therehavebeenchangesinpeople'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.Thecompositionshoul
4、dbeentitled"PopulationofaSmallIslandState."Fromthediagram,wecanseethatbetween1900and1950,thepopulationofthestateremainedalittlelessthan200,000.Since1951ithasbeenincreasingrapidly.Inthepastfourdecades,thepopulationhasgoneupbyoverthreetimes.Thereareseveralreasonsfortheincrease.Firs
5、tly,theopenpolicybeingcarriedoutinthestatehasenabledmanyforeignlabourerstoworkthere.Secondly,thebeautifulsceneryofthesmallislandhasattractedmanytouristsandsomeofthemhavebeenpermittedtosettlethere.Inaddition,thegovernmentmaynothaverealizedthenecessityofcontrollingpopulation.Ifthis
6、trendcontinues,itisnodoubtthatthesmallstatewillsufferfromvariouskindsofproblemscausedbyoverpopulation,suchaslackoflandresources,foodshortageandtrafficcongestion.Therefore,actionsshouldbetakentocontroltheincreaseofthepopulation.ChangesinCollegeStudents'WaysofSpendingSummerVacation
7、Outline:1statethechangesbriefly2givepossiblereasonsforthechanges3predictthetrendofchangesCollegeStudents'WaysofSpendingSummerVacationA.stayingathomeB.travelingC.doingsocialinvestigationD.otherwaysFromthetwocharts,wecanseethatinthepasttenyearsthenumberofstudentswhogotravellingordo
8、socialinvestigationduringsummervacationh
