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Do you like going into the forest? If you go into the forest with friends，you'd better stay with them．If you get lost，maybe the following will help you．Sit down and stay where you are．Don't try to find your friends--let them find you by staying in one place．There is another way to help your friends or other people to find you．You can shout or whistle（吹口哨）three times．Stop．Then shout or whistle three times again．Any signal（信號）given three times is a call for help．

Always keep shouting or whistling three times together．When people hear you，they will know that you are not just making a noise for fun．They will let you know that they have heard your signal．They will give you two shouts or two whistles．When a signal is given twice．it is an answer to a call for help．

If you don't think that you will get help before night comes，try to make a little house with branches（樹枝）．Make yourself a bed with leaves and grass．

When you need some water，you have to leave your little branch house to look for it．Don't just walk away．Pick off small branches and drop them as you walk in order to go back again easily．When you are lost，the most important thing to do is to stay in one place．

1．If you get lost in the forest，you should _________．

A．try to find your friends as soon as possible

B．stay in one place and give signals

C．walk around the forest

2．When you hear two shouts or whistles，you know that _________．

A．someone is afraid of an animal                     B．people will come to help you

C．someone needs help

3．What's the close meaning of “make a noise for fun” in English?

A．Play a joke．         B．Make a plan．       C．Make a decision．

4．What should NOT you do if you can't get help before night comes according to the passage?

A．Make a house．     B．Walk to find some food．   C．Make a bed．

5．The main idea of the passage is _________．

A．how to travel in the forest

B．how to spend the night in the forest

C．what you should do if you are lost in the forest