写作特点注意不同颜色的柱状所代表的不同类型的数据。注意柱与柱之间的比较,包括大分类和小分类的比较。注意分段说明,一个段说明一种比较角度。注意比较柱和柱之间的落差,突出落差的极值。ThechartbelowshowsthepercentageofmaleandfemalesmokersinBritainduringtheperiodbetween1950and1990分析图表Whatinformationcanyougetthefollowingwhenyoufirstlookatthechart?Betweenthe1950’sandthe1990’s,menweresmokingmorethanwomen.Duringthatperiod,thepercentageofmalesmokerswhilethatoffemalesmokers.Intheend,thepercentageofmalessmokersWhilethatofthefemales.Boththepercentageofbetweenthe80’sandthe90’s.男性比率变化1950-1960down2%fromabout79to77%60-70’sdown3%about77-74%70-80down1%about74-73%80-90downsharply31%73%-42%1950-80malesdowngraduallyfrom79to73%therateof1%nor2%perdecade80-90’sdecreaseratioraisedby36%to42%Betweenthe1950sandthe1980s,thenumberofmaleswhosmokedeclinedslowlybutsteadilyfrom79%to73%attherateofabout2%perdecade.Asharpchangeoccurred.Ontheotherhand,inthisperiodbetweenthe1980sandthe1990sthenumberofmalesmokersfellby31pointstoonly42%.女性比率的变化50’sto60’supslightlyfromabout17%-18%60’sto70’salmostdoubledto38%70’sto80sslightincreaseto42%80’sto90’sconsiderabledeclineto29%Concerningsmokingfemales;whereastheirpercentageduringthe50’sandthe60’swas17and18respectively,itdoubledto38%inthe70’sandcontinuedincreasingslightlyintothe80’swith42%.Aswasthecasewiththemales,though,adramaticchangeoccurredbetweenthe80’sandthe90’sasthepercentagefellbyabout13pointsto29%.Whatinformationcanyougetthefollowingwhenyoufirstlookatthechart?Betweenthe1950’sandthe1990’s,menweresmokingmorethanwomen.Duringthatperiod,thepercentageofmalesmokersdecreasedwhilethatoffemalesmokersincreased.Intheend,thepercentageofmalessmokersreducedbyalmostonehalf.Whilethatofthefemalesalmostdoubled.Boththepercentageofmalesmokersandthatoffemalesmokersdecreaseddramaticallybetweenthe80’sandthe90’s.结论?Malesmokergreatlyoutnumberedfemalesintheperiodbetween1950’sand1990’s.However,whereasthenumberofsmokingmalesdecreasedbyalmosthalf,thatofthefemalesalmostdoubled.Aparticularchangeoccurredinthedecadebetweenthe80’sandthe90’s.conclusionWhilemalescontinueoutnumberingfemaleswhenitcomestosmoking,thegapisnarrowingandpercentageofsmokersinthegeneralpopulationisdiminishing.