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1、ThelinegraphcomparesaverageyearlyspendingbyAmericansonmobileandlandlinephoneservicesfrom2001to2010.Itisclearthatspendingonlandlinephonesfellsteadilyoverthe10-yearperiod,whilemobilephoneexpenditurerosequickly.Theyear2006marksthepointatwhichexpenditureonmobileservices
2、overtookthatforresidentialphoneservices.In2001,USconsumersspentanaverageofnearly$700onresidentialphoneservices,comparedtoonlyaround$200oncellphoneservices.Overthefollowingfiveyears,averageyearlyspendingonlandlinesdroppedbynearly$200.Bycontrast,expenditureonmobilesro
3、sebyapproximately$300.Intheyear2006,theaverageAmericanpaidoutthesameamountofmoneyonbothtypesofphoneservice,spendingjustover$500oneach.By2010,expenditureonmobilephoneshadreachedaround$750,whilethefigureforspendingonresidentialserviceshadfallentojustoverhalfthisamount
4、.Thediagramillustratesthevariousstagesinthelifeofahoneybee.Wecanseethatthecompletelifecyclelastsbetween34and36days.Itisalsonoticeablethattherearefivemainstagesinthedevelopmentofthehoneybee,fromeggtomatureadultinsect.Thelifecycleofthehoneybeebeginswhenthefemaleadultl
5、aysanegg;thefemaletypicallylaysoneortwoeggsevery3days.Between9and10dayslater,eachegghatchesandtheimmatureinsect,ornymph,appears.Duringthethirdstageofthelifecycle,thenymphgrowsinsizeandshedsitsskinthreetimes.Thismoultingfirsttakesplace5daysaftertheegghatches,then7day
6、slater,andagainanother9dayslater.Afteratotalof30to31daysfromthestartofthecycle,theyoungadulthoneybeeemergesfromitsfinalmoultingstage,andinthespaceofonly4daysitreachesfullmaturity.(169words,band9)Thechartcomparesaveragefiguresfortemperatureandprecipitationoverthecour
7、seofacalendaryearinKolkata.ItisnoticeablethatmonthlyfiguresforprecipitationinKolkatavaryconsiderably,whereasmonthlytemperaturesremainrelativelystable.RainfallishighestfromJulytoAugust,whiletemperaturesarehighestinAprilandMay.BetweenthemonthsofJanuaryandMay,averagete
8、mperaturesinKolkatarisefromtheirlowestpointataround20°Ctoapeakofjustover30°C.Averagerainfallinthecityalsorisesoverthesameperiod,fromapprox
