Readthefollowingparagraphsandidentifythesentencethatisnotappropriateineachoftheparagraphs.阅读以下段落，选出每一段中不合适的句子删除。 (1)Collegeismoreexpensivethanhighschoolbecauseoftuition,livingexpenses,andbooks.(2)Anyonewhowantstoattendcollegemustpayfeesfirst.(3)Collegetuitionisusuallyhigherthanhigh-schooltuition.(4)Itcanstartatroughly$1,500pertermwhilehighschoolsareusuallyfundedbygovernments.(5)Highschoolstudentshavenolivingexpensesbecausethemajorityofhighschoolstudentsliveathomewiththeirparentsforfree.(6)Collegeisalsomoreexpensivethanhighschoolwhenitcomestothecostoflearningmaterials,suchastextbooks.(7)Incollege,studentsmustbuytextbooksforeachcoursetheytake.