WordpowerUnit3TobeagoodlearnerWecanadd-er,-orand-isttosomewordstoformnounsforpeople.Verb/Noun+Suffix→Nounprint+er→printerinvent+or→inventortour+ist→touristTIPSometimesweneedtochangetheendingoftheverb/nounwhenweaddthesuffix:dance→dancer win→winnerpiano→pianist science→scientistBenjaminFranklinwasgoodinmanyareas.Asayoungman,heworkedasaprinter/pr?nt?(r)/andkeptdevelopinghisskillsasawriter.Hewasalsoaninventorandmademanyusefulthingsfordailylife.Moreover,Franklinwasascientist,andmanyofhisfindingsplayedanimportantroleinthehistoryofscience.AChangethefollowingwordsintonounsforpeoplebyaddingthecorrectsuffixes.Youmayuseadictionarytohelpyou.1plan _____________2own _____________3art _____________4win _____________5write _____________plannerownerartistwinnerwriter6piano _____________7biology _____________8visit _____________9publish _____________10manage _____________pianistbiologistvisitorpublishermanager思考：Doyouknowotherwordsusingthesuffixes-er,-orand-ist?work—worker;teach—teacher;act—actor;novel—novelist（答案不唯一）BAmyisaskingMrWuaboutthemeaningof“slashie/sl??i/”.CompletewhatMrWusayswiththecorrectformsofthewordsinbrackets.Aslashieissomeonegoodatmanydifferentjobs.Forexample,XiaoYiisagreat(1)_________(design).He’salsoa(2)_________(sing)and(3)_________(dance).LiangXuisa(4)_________(biology).designersingerdancerbiologistShe’salsoanamazing(5)____________(photograph)and(6)_________(write).Today,therearemoreandmorechancesforpeopletodeveloptheirinterestsindifferentareas.Sowe’llseeevenmoreslashiesinthefuture.photographerwriterCWriteaboutgreatle