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七年级总复习综合自测题(下) 含答案

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B        Fast food and coke are very popular among school students. Every day many students eat fast food for their breakfasts or lunches. But do you know whether it’s healthy to eat fast food and drink coke?       Some scientists have found out that fast food and coke are not healthy food. Try not to eat fast food very often. If you eat too much fast food, you will gain weight. Don’t you see lots of overweight children everywhere?       Too much fast food can make you unhealthy in other ways. French fries, for example, were recently found to have much more acrylamide(丙烯酰胺) than other food. As we all know, acrylamide may cause cancer. In the US nine fast food companies were closed, because they did not tell the public that their potato chips had this unhealthy chemical. In fact, deep fried food all has acrylamide. So don’t eat it too often.       Soda is another thing you should watch out for(留心). Coke and soda have a lot of sugar and slow down a person’s calcium absorption(钙质吸收). Even diet coke(无糖可乐) can cause this problem, so it’s best to drink as little soda as possible.

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