题目内容：

Travelling is one of the most important activities for people. Modern traffic develops fast, so travelling to different places has become much faster than before. Staying healthy while travelling can make your trip happier. But do you know how to keep healthy during a trip? The following information may be useful to you.

Before leaving, you should prepare comfortable shoes, a hat and a pair of sunglasses for yourself. Take some necessary medicine with you. They can be used when you get sick or have other problems. Do some exercise for weeks or months before you leave if you plan to do lots of walking or climbing during your trip. Prepare proper food. Before you prepare the food, the first thing you need to think about is how long you will travel with the food. If you take a long trip, you should bring food such as bread, biscuits and some fruit. They don’t go bad quickly. For shorter trip, people can bring meat, fish, eggs, milk and even salads and vegetables.

During your tip, be sure not to eat dirty food or bad fruit. Have enough time to take a rest during your trip. Tap water is not safe, so drink bottled water and remember to clean the cover of the bottle. Keep food in good condition. If you take hot food, you should try to keep it hot. For example, you can put it in heavy towels. If you need to keep cold food cold, you can put it in a box with ice. When you arrive, put it in the fridge.

How to keep 1.during a trip
Before leaving	●Prepare comfortable shoes, a hat and2.. ●Take some necessary 3.with you. ●Exercise for weeks or months 4.you leave. ●Prepare proper food. Take bread, biscuits and some fruit for a 5.trip or bring meat, fish, eggs, milk and even salads and vegetables for a shorter one.
While 6.	●  7.eat dirty food or bad fruit. ●  Have enough 8.to take a rest during your trip. ●  Drink 9.water and remember to clean the cover. ●  Keep food in good condition. Don’t 10. to keep hot food hot and cold food cold.