Questions 22 to 25 are based on the passage you have just heard. A.Use a map to identify your location. B.Sit down and try to calm yourself. C.Call your family or friends for help. D.Try to follow your footprints back. 23.A.You may find a way out without your knowing it. B.You may expose yourself to unexpected dangers. C.You may get drowned in a sudden flood. D.You may end up entering a wonderland. 24.A.Look for food. B.Start a fire. C.Wait patiently. D.Walk uphill. 25.A.Inform somebody of your plan. B.Check the local weather. C.Prepare enough food and drink. D.Find a map and a compass.