冬季和夏季两个季节的电力需求

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ThegraphblewshowsthedemandelectricityinEnglandduringtypicaldaysinwinterandsummer.ThepiechartshowshowelectricityisusedinanaverageEnglishhome.Summarizetheinformationbyselectingandreportingthemainfeaturesandmakecomparisonswhererelevant.

范文：
TheuseofelectricityinEnglandisindispensedwithdemandforelectricityinEnglandduringtypicaldaysinwinterandsummerisillustratedinthegraph.TheuseofelectricityinanaverageEnglishhomeisshowninthepiechart.Fromthegraph,itisgenerallyobviousthatthedemandisinitsmaximumaround2100,andinitsminimumaround400,beingalmostconstantbetween1200and2100inwintertimes.Duringsummertimes,ontheotherhand,thedemandreachesitstoppointaround1300,andthebottompointaround900,beingalmostconstantbetween1550and2000.
Inwintertimes,thecurvegraduallyincreasestoreach40,000unitsofelectricityby3o’clockinthemorning.Thisisfollowedbygradualdeclinetoitslowestlimitof30,000unitsat9o’clock.Agradualriseisobviousagaintoreachastationarylevelbetween3o’clockand9o’clockofabout40,000unitsagain.Then,thereisasharpriseinthenexthourtoreachitsmaximumbeforecollapsingagaintoalowerlevelbytheendoftheday.
Inthesummertime,thecurvegraduallydecreasetoreachitslowerlimitaround9o’clockofabitmorethan10,000units.Agradualincreaseisnoticedtoreachitstopof20,000afterwhichastationaryphaseisobviousbetween3o’clockand10o’clockatnightofabout15’000units.
Thepiechart,ontheotherhand,showsthat52.5%oftheelectricityisusedforheatingroomsandwater17.5%isconsumedforovens,kettlesandwashingmachines,15%isusedinlighting,TVandradio,andfinally15%isconsumedinthesueofvacuumcleaners,foodmixturesandelectrictools.



冬季和夏季两个季节的电力需求

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