1、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 orangescho
2、colatefishchickenricevegetablesI 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 FruitMeatOt
3、herscabbage 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 publ
4、ic.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 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”。-Mig
5、ht/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,
6、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
7、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 Unit4 FoodLesson 1
