英语：选句子,补全短文（The students of Class 1,Grade 2 are going hiking

英语：选句子,补全短文（The students of Class 1,Grade 2 are going hiking on their)
The students of Class 1,Grade 2 are going hiking on their field trip.Hiking is good for exercise and fun.---- Just walking for fun is the first kind of hiking,Many people like to hike in city parks or just on the sidewalks.
A hike can take a few hours or weeks.------At the beginning hikers should start with walks that they can do in one day.As you get stronger,you can go on overnight hike.--- You can make your hike last for days or weeks.
For safety,hikers should hike with someone.----It's also a good idea to carry a map.
Backpacking is another kind of hiking.People carry food,clothes and other things on their backs in a pack.----They carry what they need on their backs.
Now,put on your hiking shoes and take a hike.
句子：A.Many hikers like to hike in the countryside,in forests and in mountains.
B.Backpackers can stay many days in places where there is no food to buy.
C.You should always have one or two friends with you.
D.Later you can go longer than that.
E.For most hiking ,people just need clothes and shoes that are good for the weather.
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