题目内容：

Why do people travel? Well, many people travel ____1.____ they want to see other countries and visit places __2.___ are famous, interesting or beautiful. People also travel to meet their friends, to taste new kinds of food, to experience life in other parts of the world, ___3.___ simply get away from cold weather. Yet there are other reasons why people travel. Adventure travel is becoming more and more popular. Here is a quick look at two popular ___4.__ (active): hiking（远足） and rafting（漂流）.

Instead of ___5._____ (spend) your vacation on a bus, in a hotel or sitting on the beach, you may want to try hiking. You will get close to nature and take exercise at the same time. The basic equipment you need for hiking is simple: strong shoes, clothes and ____6.___ backpack(背包). You can hike in the mountains, in a forest or ___7.____ a river.

Hiking is fun and exciting, but you should never forget safety. Here are some tips for a successful hiking:

● Don’t hike alone.

● Tell someone where you ____8.____(go).

● Bring a mobile phone if you have __9.____.

● Watch out for dangers, _10.___ spiders, snakes and poisonous plants.