3.1 Reading and Thinking（重点练）-2020-2021学年高一英语上学期十分钟同步课堂专练（人教版2019必修第一册）

完形填空 Food has always been one of the greatest wants of humankind. The search for food is the __1__ human behavior. Thus, __2__food were easier to get and prepare, it would be really __3__for humankind. It would reduce a great burden(负担). The development of processed foods(加工食品) has made food easier to get and prepare.__4__ every coin has two sides. Apart from its advantages, the __5__ of cooking also has its disadvantages. Though processed foods seem a great way to save __6__, they offer much less nutritional(营养的)value than traditional foods. People today are so __7__that they are not able to spend enough time preparing their food. As a result, many people __8__to eat processed foods, ready­to­cook meals and various fast foods. But what will __9__if one eats such food all year round? It will damage your __10__. The nutritional value of the food is not so high. Worse still, research shows that preservatives(防腐剂)used in these foods are __11__ to children. That’s why health experts warn