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ExercisesofDerivationandWordspellingEX1.Completethefollowingsentencesbyaddingaprefixtothewords.1.Rosesaidthatitwas___fairifDadgavemeadictionarybutgaveheronlyadiary.2.Themother___dressedthebaby,thenputhiminabasinofwarmwater.3.Thoughhedidn’twinthechampioninthelastfootballgame,hewasnot___couraged.4.It’s___possibleforanyonetofinishtheworkwithinsuchashorttime.5.Pleasedon’t____understandwhatIhavesaid.6.Thisclothwouldbe___visibletoanyonewhowas___fitfortheofficeheheld.EX2.Addanegativeprefixtoeachgrouptocreatewordswithoppositemeaning.____-appearabilityagreehonest____-usualexpectedwillinghappyluckyfortunately____-convenientcorrectcapablevisibleexperienced____-possiblepolitemature____-stopsmokers____-understandtakefortuneleadEX3.Doyouknowthemeaningofthefollowingprefixes?Canyoulistmorewordswiththeseprefixes?re—retellen—encouragepost—postwarpre—pre-readingunder—undergroundover—overworksub—subwaySino—Sino-AmericanDis—disqualifyEX4.Wordspelling（义→性→形）1.Tomdidn’tpassthemid-termtestbecauseofhis__________（粗心care）2.Althoughtheyaretwins,theyoftenhave__________（分歧differ）indoingthingstogether.3.Moreandmore__________（西方人western）arebecominginterestedinChina.4.Learningtospeakaforeignlanguagecan________（丰富rich）one’slife.5.Heisadoctorwithgreat________（耐心patient）.6.__________（不幸fortune）,anaccidenthappenedtohisbrother.7.October1stisourN_________Day.（国庆日nation）8.WTOstandsfortheWorldTradeO______________.（组织organ）9.China’sathleteswonthemostmedalsinDohaA_______Gameslastyear.（亚运会Asia）10.Heisagoodp________.Heoftenpracticesplayingthepiano.（钢琴家piano）