Unit1课内练习答案P3Ex.1P3Ex.2Para.1:AnintroductiontoMaryandhismusclediseasePara.2:HowhisdisabilitydevelopedPara.3:MarymetalotofdifficultiesatschoolPara.4:HowhislifehasbecomeeasierPara.5:TheadvantagesofhisdiseaseP4Ex.1P4Ex.21.lap2.annoyed3.dictation4.entry5.microscope6.outgoing7.fellow8.conductP4Ex.3inmanyways,sitaround,madefunof,adaptto,outofbreath,Allinall,cuttingout,InotherwordsP5Ex.3tohavespent,Tofree,tosee,totreat,tohelppass,toabolishP6Ex2.……provethattheycouldachievewhatevertheydecidedtodoandatthesametimeraisemoneyforpeoplewithweaksight.……afterclimbingonedifficultmountainhewantstoclimbanevenmoredifficultone.P6Ex.316-19yearsold,25-45yearsold,5,900meters,12,9,15,7,5days,2daysundefined