Unit 13 Healthy eating单元学习目标项目知 识 要 点 梳 理词汇bacon, balance, bar, bean, boil, brain, chemical, diet, digest, disease, energy, environmental, examine, fat, fever, fiber, fit, fried, fuel, function, gain, lettuce, mineral, mixture, mushroom, ought, pace, peach, peel, plenty, probably, promise, ripe, salad, sleepy, slice, snack, soft, spoonful, steam, stomach, sweet, tasty短语junk food, ought to, plenty of, keep up with, make a choice, now and then, roll up, cut … into pieces交 际用语（ 提出 建议）I advise you to...You’d better...I suggest you...I think you should...Why not...?Why don’t you...?文 中重 点句型There is something wrong with...Choosing what to eat is no longer as easy as it once was.If we want to keep up with the high pace of modern life, we had better learn to make the right choices about what and how we eat.We should also eat carbohydrates, the main fuel for our body, which we can get from bread, rice and noodles.It is probably better, however, if we spend our time and money on buying good food and keeping a balanced diet.Even if we choose nutritious food for our main meals, we probably still need to refuel now and then.语法情态动词(1) ——had better; should; ought to1. 就某事向某人提出建议或发表自己的观点——使用 had better (not)。2. 劝说某人做某事或不要做某事，向某人提出忠告——使用 should (not)或ought (not) to。写作与饮食健康相关的说明文知识要点聚焦WARMING UP1. Decide if the food shown in the photos is junk food or healthy food. 判断图片中的食品是不利于健康的食品还是有利于健康的食品。⑴ junk 用作不可数名词，常用于口语中，表示“无用的或者无价值的东西”，“廉价出售的废旧杂物”。例如：The room is full of junk. 那间屋子里满是破烂儿。His writing is all junk. 他的文章一文不值。⑵ healthy 是形容词，意为“健康的...
