阅读理解。Eachnationhasmanypeoplewhohelptotakecareofothers.F...
问题详情：阅读理解。Eachnationhasmanypeoplewhohelptotakecareofothers.Forexample,somehighschoolandcollegestudentsintheU.S.A.oftenspendmanyhoursasvolunteersinthehospitals,orphanages(孤儿院)orresthomes.The...