阅读下列短文，根据短文内容填写表格，每空限填一词。
Travelling is one of the most important activities and people have been interested in it for many years. Modern traffic develops fast, so travelling to different places has bee 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
Wear fortable shoes, a hat and sunglasses.
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. The nearer people can bring meat, fish, eggs, milk and even salads and vegetables.
While travelling
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 always 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 cold food in a box with ice. When you arrive, put cold food in the fridge. Remember: If you travel with food, keep hot food hot and cold food cold.
How to keep (1) during a trip
Before leaving
● Wear fortable shoes, a hat and (2) .
● (3) some necessary medicine 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 nearer one.
While
(6)
● (7) eat dirty food or bad fruit.
● Have enough (8) to take a rest during your trip.
● Drink (9) water and always clean the cover.
● Keep food in good condition. (10) to keep hot food hot and cold food cold.
healthy/ fit
网友回答
(答案→)healthy/ fit
解析：短文属于说明文。本文对旅行时如何保持健康，介绍了几条有用的信息。
【小题1】从第一段倒数第二句“But do you know how to keep healthy during a trip?”可知，这是短文的主旨。
【小题2】从Before leaving第一条得知。
【小题3】从Before leaving第二条得知。
【小题4】从Before leaving第三条得知。
【小题5】从Before leaving第四条得知。
【小题6】从While travelling得知。
【小题7】从While travelling第一条得知，否定祈使句。
【小题8】从While travelling第二条得知。
【小题9】从While travelling第三条得知。
【小题10】从While travelling第四条得知。因为后面是不定式，前面用及物动词。