Unit 1 Food matters(课件)-【高考领航】2023-2024学年高中英语选择性必修第一册同步核心辅导与测评（译林版）

Unit 1　 Food matters 1 话题导入·思维激活 食物与我们息息相关，如果没有了食物，我们将会无法生存。但是现在的很多疾病也是与食物有关的。因此我们要特别注意自己所吃的食物。 The food we eat seems to have a great effect on our health.Although science has made big steps in making food more fit to eat，it has，at the same time，made many foods unfit to eat.Some researches have shown that perhaps eighty percent of human illness is related to food and forty percent of cancer is related to food as well.That food is related to illness is not a new discovery.In 1945，some researchers realized that things commonly used to keep colour in meats and other food additives caused cancer. 话题导入·思维激活 1 话题导入·思维激活 1 话题导入·思维激活 Yet，these additives remain in our food，and it is difficult to know which things on the wrappings(包装)of foods are helpful or harmful.The additives which we eat are not all so direct.Farmers often give penicillin to their animals，and because of this，penicillin has been found in the milk of cows.Sometimes similar things are supplied to animals not for their health，but just to make a profit. The farmers are simply trying to fatten the animals in order to get a higher price on the market.Although some countries have tried to control such things，the practice continues. 1 话题导入·思维激活 【词汇积累】 1．have an effect on 　对……有影响，对……起作用 2．relate to 有关，涉及 3．additive n. 添加剂 4．supply vt. 供给；供应；补充 1 话题导入·思维激活 本部分内容讲解结束 按ESC键退出全屏播放 1 话题导入·思维激活 $$