题目

阅读理解 Play time is in short supply for young children these daysand the lifelong consequences for developing children can be more serious thanmany people realize. An article in the most recent issue of the American Journal of Play details not only how much children'splay time has declined, but how this lack of play affects emotionaldevelopment, leading to the rise of anxiety, depression, and problems ofattention and self control. “Since about 1955, children's free play has beencontinually declining, at least partly because adults have appliedever-increasing control over children's act学以致用（1）甲山比乙山__（高、低），他们想到山体的最高处进行风景拍照和疯狂自拍，则他们应选择在__处，该处海拔为__米．（2）图中A、B两处，适合攀岩的是__处，理由是__；适合漂流的是__处．（3）①河段的小河流向大致为自__向__流．（4）这几家都带着爷爷、奶奶们爬山锻炼，②、③两条爬山路线中更适合的是__路线，理由是__．