湖南省蓝山二中高一英语必修四《unit1Task》教案牛津版Skillsbuilding1:listeningforstatisticsanddescriptionsInthispart,youaretolearntogaininformationfromstatistics.Andlistenforfractions,decimals,percentagesanddescriptionsofstatistics.1.Let’sfirstreviewtheexpressionsoffractions,decimalsandpercentages.1/2(a/onehalf)2/3(twothirds)4/7(four/sevenths)0.45(zero/noughtpointfourfive)9.89(ninepointeightnine)6.79sixpointsevennine58%(fifty-eightpercent)36.36%(thirty-sixpointthreesix)2.GooverPoint1onpage12howtoreadfractions,decimalsandpercentages.Now,let’sturntoandlearnthemtogether.3.GooverPoint2onpage12tomakesureyouknowhowtodescribeanincrease,adecrease,nochange,trends,arange,anaverage,andalimit.anincreaseTherewasanincreaseof56percent.Thepricehasgoneupby9percent.·adecreaseTherewasadecreaseof36percent.Thefigure/amount/ratedecreased/fellby21percent.·nochangeTherewasnochange.Thefigure/amount/rateremained/stayedthesame.·arangeThesalesfiguresvarybetween30and40percent/from35to50.·anaverageTheaverageagewas56.·alimitThemaximumpricereached＄67.Thefiguresfelltotheirlowestlevel.4.Listentothetapeanddotheexercisesonpage12.Tapescript1Twoyearsago,thenumberofmembersstoodatonethousandtwohundred.Bythefollowingyear,ithadgrownbyahundred.2Westartedoffquitewellfiveyearsago.Ourmarketsharerosetoeighty-fivepercent.Unfortunately,lastyear,itfellbytwentypercent.3Consumptionfiguresforthisyearrangedbetweenfiftyandsixtypercent.Overthenextfewyears,thefigurewillreachseventy-fivepointfivepercent.4Alotofourstudentscontinuetheireducationatlocaluniversitiesorabroad.Lastyear,thepercentageofstudentsfromourschoolstudyingatlocaluniversitieswastwenty-threepointfourcomparedtoelevenpointfive,whichisthepercentageofstudentsstudyingabroad.Thisyear,thepercentageshaveincreasedtotwenty-fourpointfiveandthirteenpointsix.5Ourresearchshowedasharpincreaseinthenumberofyoungpeoplevisitingourmuseum.Comparedtolastyear’sfigures,threetimeasmanyyoungpeoplehavevisitedourmuseumthisyear.Thisisaboutonethirdofthetotalnumberofourmuseumvisitors.Answers1.1,2001,3002.85%65%3.50%-60%75.5%4.23.4%11.5%24.5%13.6%5.9,0003,0000Step1:completingabarchart1.Well,nowsupposeyouareamarketingassistantintheCandyCompany.Andthedirectorofthecompanyismakinganannouncementatameeting.Listentotheannouncementandcompletethebarchartforfuturereference.TapescriptDirector:Goodmorning,ladiesandgentlemen.We’reheretodaytotalkaboutsalesofourchocolatebar,Chocoloco.Chocolocowasfirstsoldinnineteenfifty.Wedidquitewellinthefirstyear,withatenpointfivepercentshareofthemarket.However,thesalesfiguresinthenextfewyearswerenotsogood.Bynineteensixty,marketshareshaddecreasedbyfivepercent.Thenweintroducedanewmarketingprogramme,andmarketshareincreasedtosevenpercentinnineteenseventy.However,thiswasstillbelowwhatwehadexpected.Innineteenseventy-nine,wepackagedthechocolatebarinanewway.Theresultsweregood,andinnineteeneighty,thenumberofpeoplebuyingchocolocorosesharplytotwelvepercent.Thesalesfiguresfornineteenninetystayedthesameasthosefornineteeneighth.Intheyeartwothousand,wehadanewmodelinouradvertisements.Thishadagoodeffectandmarketshareincreasedtofifteenpercent.Wewillcontinueusingthismodelinouradvertisementsandpackaging.Intwothousandandten,weexpectanineteenpointfivepercentmarketshare.Wehopethatthisincreasewillcontinue,andintwothousandandtwenty,weexpectittorisetotwenty-fourpercent.Thankyouforyouratten...
