Text&Test1.Haveyouturnedoffyourradio?【考例】Don’tforgetto_____thelightswhenyouleavetheclassroom.A.turnonB.turnoffC.turndown(2007海南)【答案和解析】B。turnoff是固定短语,表示“关(水源、煤气、电灯等)”，其反义词组是turnon。2....,“ThankstoInSearchofRoots,IambeginningtounderstandmyChineserootsandwhoIam...”【考例】—_____freeeducation,thepoorchildreninourhometowncangobacktoschool.—Socanthepoorchildreninourhometown.A.ThankstoB.InsteadofC.Asfor(2007山西临汾)【答案和解析】A。thanksto意为“幸亏、由于、因为”，后常跟名词（短语）或代词；insteadof意为“代替”；asfor意为“至于”。此处thanksto符合句意。3.“Thishasbeenabigstepforme,andI’mlookingforwardtofindingoutmoreabout...”【考例】Someparentsarelookingforwardto_____theproblemthattheirchildrenforgettheirlessonswhiletheyareplayingcomputergames.A.hidingB.meetingC.solvingD.seeing(2007山东枣庄)【答案和解析】C。lookforwardto意为“盼望、期待”，to为介词，后可跟名词、代词或v-ing形式。
