If you go into the forest with friends, stay with them .If you don’t, you may get lost. If you do 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. You can help them to find you by stay in one place.
There is another way to help your friends or other people to find you. Give them a signal(信号)outing or whistling (吹口哨) three times. Stop. Then shout or whistle three times again. Any signal given three times is a call for help.
Keep on shouting or whistling, always three times together. When people hear you, they will give 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 small room with branches.（树枝）
What should you do if you get hungry or need drinking water? You would have to leave your little branch room to look for something to eat and drink. Don’t just walk far away. Pick up small branches and drop them as you walk so that you can find your way back.
The most important thing you need to do when you are lost ---stay in one place.
When you hear two shouts or whistles, what does that mean?

A．Some animals are coming.

B．Someone is calling for help.

C．People will come to help you

D．Someone is lost.

What shouldn’t you do, if you get lost in the forest?

A．Walk everywhere to find your friends.

B．Sit down and stay where you are.

C．Make a small room with branches.

D．Try to find something to eat and drink

Which of the following is wrong according to the passage?

A．You can leave your branch room to find some food.

B．You can’t go anywhere even when you feel thirsty or hungry.

C．You should leave some branches as you walk.

D．Don’t go far away from your room.