根据短文内容，完成下列各题。
Traveling is a relaxing and pleasing activity. Do you want to travel? If you do, you’d better pay attention to these things:
Choose the place you like to go. Before going on a trip, you need to decide where to go. You won’t have fun if you go to a place where you don’t like to go. This is very important if you take a trip.
Learn about the customs(风俗) of the local residents(当地居民). During the traveling, sometimes you need to communicate with the local residents. If you learn about their customs before you go there, you will get on well with them easily.
Choose the girth time to go. Wherever you go, 你都有必要了解天气情况。When the weather is too hot on too cold, you’d better not go there. And you should know if it is often rainy, cloudy or sunny.
Pay attention to health had safety. During the traveling, you can enjoy different diets. You should pay attention to the sanitation(卫生). Keeping healthy is very important. Don’t go to some places alone. This is also important.
Traveling is very exciting. Prepare for it carefully, and you will feel the pleasure of traveling.
A.回答问题。
Why do you need to learn about the customs of the local residents?                    .
B.将下面两个句子改为同义句。
Keeping healthy is very important.
         very important            keep healthy.
When the weather is too hot or too cold, you’d better not go there.
You’d better go there when the weather is              too hot         too cold.
将文中画线的英文句子译成中文。                                           .
将文中的中文句子译成英文。                                               .