閱讀理解。Eachnationhasmanypeoplewhohelptotakecareofothers.F...
問題詳情：閱讀理解。Eachnationhasmanypeoplewhohelptotakecareofothers.Forexample,somehighschoolandcollegestudentsintheU.S.A.oftenspendmanyhoursasvolunteersinthehospitals,orphanages(孤兒院)orresthomes.The...