问题描述：
英语翻译
How to read a map
The scale
First,you must know the scale of the map.The map's scle can tell you how long 1cm on the map represents.Then you can know how far you need to go from a place to another in the real world.For example,the scale of 1/250km in the picture means 1cm on the map equals 250kmin the real world.Different maps may have different scales.
A compass
Most maps also have a compass.It can show you where north is.It can help you find your bearings.When you know where you are and in which direction you want to go,it is not difficult for you to find your way.
Key
Some maps have a key.You should find what the symbols represent.They can help you a lot.For example,the color green usually represent parks or forests,and lines represent roads,mountainsor rivers.These points can also help you find your way.
Questions（问题翻译加解答）
1、What can a scale on the map tell us?
2、What's the use of the compass on the map?
How to read a map
The scale
First,you must know the scale of the map.The map's scle can tell you how long 1cm on the map represents.Then you can know how far you need to go from a place to another in the real world.For example,the scale of 1/250km in the picture means 1cm on the map equals 250kmin the real world.Different maps may have different scales.
A compass
Most maps also have a compass.It can show you where north is.It can help you find your bearings.When you know where you are and in which direction you want to go,it is not difficult for you to find your way.
Key
Some maps have a key.You should find what the symbols represent.They can help you a lot.For example,the color green usually represent parks or forests,and lines represent roads,mountainsor rivers.These points can also help you find your way.
Questions（问题翻译加解答）
1、What can a scale on the map tell us?
2、What's the use of the compass on the map?
问题解答：
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