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What kind of food do you like?There are so many kinds of foods, vegetables and fruits.Look! What are they? And what should we eat to keep healthy? cabbagepotato chipssandwichsausageeggplant beef tomatowatermelonstrawberryI like eating _ best.Eating _ is good/bad for your health. candyice cream orangeschocolatefishchickenricevegetablesI like eating _ best.Eating _ is good/bad for your health.cabbagepotato chipssandwichsausageeggplant beef tomatowatermelonstrawberry healthy food: unhealthy food:. candyice cream orangeschocolatefishchickenricevegetableshealthy food:unhealthy food:.Vegetables FruitMeatOtherscabbage eggplant tomatoorangeapplestrawberrywatermelonchickensausagefishbeefricesandwichpotato chipsice creamchocolatecandy2a Look at the picture on page 39 and divide the food into groups.must否定式否定式mustnt 是是must not缩写形式缩写形式, 其意思是其意思是“禁止禁止, 不许不许, 不准不准, 一定不要一定不要, 一定不许一定不许”。e.g. You mustnt shout in public.注意注意: 不用不用mustnt 来回答由来回答由must（必须、（必须、一定要）开头的问句一定要）开头的问句, 而应用而应用neednt (dont have to)。Grammar focuse.g. - Must we hand in our exercise books today? - Yes, you must. - No, you dont have to / you neednt. May 1) 表示请求和允许。表示请求和允许。might比比 may语气更语气更委婉，而不是过去式。否定回答时可委婉，而不是过去式。否定回答时可用用cant 或或mustnt，表示，表示“不可以，禁不可以，禁止止”。 -Might/ May I smoke in this room? - No, you mustnt. - May/Might I take this book out of the room? - Yes, you can. (No, you cant / mustnt. ) 用用May I.？征徇对方许可时比较正？征徇对方许可时比较正式和客气，而用式和客气，而用Can I.？在口语中？在口语中更常见。更常见。2) 表示推测、可能性表示推测、可能性 He may /might be very busy now. Your mother may /might not know the truth. 1. Do 4 by yourselves, then give a report to the whole class.2. Group work: Four students work in one group. Lets discuss how to form good habits. Try to use these sentences: We should/We shouldnt We must /We mustntProject Exercises 根据句意用适当的介词填空。根据句意用适当的介词填空。 1. Dont walk _ the lawn.2. Eating vegetables is good _ health. 3. Id like to have a glass _ milk.4. Different foods help us _ different ways.5. Its necessary _ us to have good eating habits.forofinforon将下列短语进行英汉互译。将下列短语进行英汉互译。1. look tired 2. 熬夜熬夜3. be bad for . 4. 放弃放弃 5. be necessary for . 6. 引起疾病引起疾病 stay upgive up对对, 有害有害cause disease看上去疲倦看上去疲倦对对 有必要有必要7. get into 8. 正如我们所知正如我们所知 9. keep . active 10. in different ways 11. 多于多于 进入进入as we know保持活力保持活力用不同的方法用不同的方法more thanHomework Write a passage about food and health. The beginning has been given.We should eat more fruit like apples, oranges and strawberries
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