1. (2021八上·汕头开学考) 阅读短文，回答问题

Traveling is one of the most important activities and people have been interested in it for many years. Modern traffic develops fast, so traveling to different places has become much easier than before.

Staying healthy while traveling can make your trip happy. But do you know how to keep healthy during a trip? The following information may be useful for you.

Before traveling:

● Wear comfortable shoes, a hat and sunglasses.

● Take some necessary medicine with you. They can be used when you get sick or have other problems.

● If you do lots of sports like walking or climbing during your trip, you should do some exercise for weeks or months before you leave.

While traveling:

● 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.

1. （1） Traveling has become much easier than before because of ______.

   A . modern technology B . the development of modern traffic C . travel agencies D . the development of people's lives
3. （2） You should ______ before you leave your home for a trip.

   A . take some medicine with you B . clean the cover of the bottle C . drink much water D . wear warm clothes
5. （3） You had better not ______ while you are having a trip.  

   A . wear sunglasses B . be too tired C . wear a hat D . take a rest
7. （4） If you ______ while traveling, your trip will be happy.

   A . walk fast B . eat too much C . keep healthy D . eat dirty food
9. （5） The passage mainly talks about ______.

   A . traveling development B . how to keep healthy during a trip C . activities before traveling D . activities while traveling