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1、Module 3 Unit 2 Healthy eating Period 2 Words and expressionsLearning Objectives: To grasp the usages of important new words and expressions.Learning Difficulties: To master the usages of the new words and expressions. Before Class1. Key words1、平衡膳食_ 2、体重减轻；减肥_ 3、说谎_ 4、赢回；重新获得_5、被放过；（作坏事）不熟惩罚_ 6、应当；
2、应该_7、坚果；果仁_ 8、桃子_9、羊肉_ 10、豌豆_11、茄子_ 12、蘑菇 _13、烤制的；烤；烘_ 14、折扣_2. Learning about language 1.Wang Peng sat in his empty restaurant feeling very frustrated.feeling very frustrated 现在分词在句中作_eg. She sat on the chair reading a newspaper.(表伴随)Walking in the street, she met her old friend.(表时间)Seeing no body
3、 at home, she decided to eat outside.(表原因)The child fell, striking his head against the ground.(表结果)昨晚我和老公躺在草地上看星星。_2. By now his restaurant ought to be full of people.Ought to 1)表示一种道义上的责任，应该Eg. You ought to study hard to get a high mark._她应该更好地照顾这些小孩。_2)ought to have done 表示本应该，而却没有Eg.You ought to
4、 have come yesterday. _3. He thought of his mutton, beef and bacon cooked in the hottest, finest oil. 过去分词短语作_，表示_。= which were cooked in the hottest oil. Eg. The flowers _ (pick) by him are very beautiful.4. Nothing could have been better. 比较级与否定词连用表示_。 = All his food could have been the best. Eg.
5、I have never seen a better film. _ 没有人比你唱得更好了。_5. Something must have happened if Li Chang was not coming to eat in his restaurant as he always did.Must have done: 情态动词+have done表示推测。1) 肯定句用：must(一定)/may(可能)/might(也许)Eg: He must/may/might know the answer to this question._ 屋里很冷，他们肯定把暖气关了。_2) 否定句用：ca
6、nt/couldnt(不可能)/may not/might not(可能不)Eg: It cant/couldnt be the headmaster. He has gone to America. _他也许不认识那位科学家。_3) 疑问句用：can/could用于, cant/couldnt用于否定 Eg. Could he have finished the task? _ 他现在能在家吗？ _6. Tired of all that fat?Tired of _ He is tired of doing the same thing all year round.Tired out _ I was tired out when I finally reach the top of the mountain.Tired from _ I was very tied from running fast.III. 翻译： 根据中文提示，完成句子1， 做运动对我们的健康有好处。(benefit)_2,他撒了谎却没被惩罚。(get away with)_3,Tom 已经厌倦了每天做同样的事情。（be tired of）_4,Lisa 靠教书谋生。（earn ones living）_1
