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四川省成都市各区2019-2020学年七年级下期期末英语分类汇编
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一、四川省成都市高新区2019-2020学年七年级(下)期末
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Of course, we don't have to cook food. Before people find fire, they eat fruit just like some animals do. These foods don't need cooking. And they eat lots of raw(生的)meat and fish. It isn't that nice- not very tasty.
There is an interesting thing—after people find fire, they don't know they can use it to cook. They just use fires to keep animals away. Because something drops(掉落)in a fire and it tastes so good, people find they can use fire to cook. After that people begin to cook food, because cooking does three very important things to our food and us.
First, it makes a lot of raw and hard foods easy to eat. Take a potato for example, it is hard at first but cooking can make it soft(软的). Second, it makes our food safe to eat. Cooking can kill bad things in food. So they want to make us unhealthy. Third, cooking makes food be something different, and it's very exciting for