阅读理解。
If you go into the forest with friends, stay with them. If you don't, you may get lost, this is what you
should do. Sit down and stay where you are. Don't try to find your friends-let them find you instead. You
can help 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 (信号) given three times is a call for help.
Keep up shouting or whistling. Always 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
(树枝), 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 (扔下) 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
B. stay in one place and signal (发信号)
C. walk around the forest
2. Which signal is a call for help?
A. shouting here and there
B. crying twice
C. shouting or whistling three times together
3. When you hear two shouts or two whistlings, you know that _________.
A. someone is afraid of an animal
B. people will come to help you
C. someone needs help
4. What's the meaning of the underlined sentence? (画线句子)
A. Leave branches to find your way back
B. Pick off branches to build another house
C. Use branches to make a bed
5. The main (主要的) idea of the passage is _________.
A. how to travel in the forest
B. what you should do if you want to get some water
C. what you should do if you are lost in the forest

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