Jungle country is not friendly to man, but it is possible to survive there. You must have the right【21】and you must know a few important things about the jungle. Then your chances of staying【22】are very good. In the jungle, you should always carry a【23】. Then you can【24】which way to go. Again and again you must check your position by it. Keep alert. Watch the ground in front of you carefully. Stop and listen【25】. If you lose your【26】, do not be afraid. Mark the spot where you are with blazes on a tree. Then you can always know where you started. Finding water that is safe to drink can be a problem. Many streams and rivers carry germs that can be【27】to man. Luckily, the jungle has many kinds of plants and vines that give water. 【28】in the jungle is a science. Learn as much as you can about what to【29】in the jungle. Then no part of the jungle will seem completely unfriendly or frightening. In fact, you will be able to '【30】' it for a long time. (36)