阅读下面短文，根据其内客完成后面各项任务．
Now many people like fast food. We all know that fast food is not good for our health. So more and more fast food restaurants are serving healthier food and you can make healthier food and you can make healthier choices. Here are some tips(建议)for ordering healthy food at fast food restaurants.
Don't order the biggest size. The biggest size seems cheaper, but it is not good for your health. The biggest size has the most fat, sugar and so on. A smaller size is probably enough for you.
Some drinks are full of sugar. So when            , you should choose milk or water.
Usually fried food is not the best choice. You should choose baked(烘烤的)food. It is healthier.
Go for the kids menu, because the sizes of kids food are usually smaller. You can eat less. You can also choose to eat half of what you order and take the other half home to eat later.
Today, more and more fast food restaurants are starting to serve healthier food. You can order the food with words like "healthy” or “light(清淡的)” on the menu.
Eating at fast food restaurants may not be bad for you. By making smart choices, eating at fast food restaurants can be not that bad.
回答问题：
How many tips does the writer give us to order healthy food at fast food restaurants?
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在文中找出与下面句子意思相近的一句话。
It is known to us that fast food is bad for our health.
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在第3段空缺处填人适当的内容．使全句完整．
回答同题。
What does the underlined word “It”in Paragraph 4 refer to（指的是）?
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将最后一段中划线的句子翻译成汉语。
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