题目

People in the United States honor their parents with two special days：Mother’s Day, on the second Sunday in May, and Father’s Day, on the third Sunday in June. These days are set aside to show love and respect for parents. They raise their children and educate them to be responsible(有责任感的) citizens. They give love and care. These two days make us think about the changing roles of mothers and fathers. More mothers now work outside the home. More fathers must help with child care. These two special days are celebrated in many different ways. On Mother’s Day people wear ca读下图，完成以下小题。 （1）长江和黄河发源地是地形区A__，两河流向大致为__。（2）图示两条河流中，有“黄金水道”之称的是__，含沙量居世界第一的是__有凌汛现象的是__． （3）长江、黄河最终都流入__洋，都属于外流河．