问题
选择题
— Must we go to see a doctor at once?
— No, you ___. [ ]
A. can't
B. mustn't
C. needn't
答案
答案：C
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— Must we go to see a doctor at once?
— No, you ___. [ ]
A. can't
B. mustn't
C. needn't
答案：C
阅读下列短文,根据短文中的信息完成文后表格。（每空一词） 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 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 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. 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.
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