单项选择题A.They tend to stay within shouting or running distance of their parents.B.They should be aware of the potential risks in the play ground.C.They may panic in front of high playground equipment.D.They can Be creative when they feel secure.
单项选择题A.They displayed it for decoration.B.They used it to display new tools.C.They used it for cooking and storage.D.They sold it to art collectors.