高一英语必修三 第二单元 导学案.doc

西安电子科技中学教案 （教师用） 20172018学年度第一学期 学科 英语 使用时间 年级 高一 课题Unit2 Healthy eating P3课标 要求1. Talk about different kinds of food that one likes best.2. Let the students know about the basic knowledge of how to eat healthily.考纲 要求1. Talk about eating habits and health.2. To grasp the useful words and phrases of this unit.学习目标1. Learn to Talk about different kinds of food that one likes best.2. Learn to grasp the useful words and phrases of this unit.重点难点To make the students be aware of the importance of healthy eating and let them know our health and stength are directly related to our diet.教 学 设 计（必须突出导读、导思、导练的引导语；必须有任务时间要求；必须有层次要求）Step. Greetings and Revision1. Check the homework.2. Have a dictation.Step II. Language Focus Warming Up Everybody has to eat, but do you eat a healthy diet?每个人都要吃饭，但你的饮食是健康的吗？知识1 diet n.C, U 日常饮食 vi.节食Lyn always seems to be on a diet.林恩似乎总是在节食。No sugar in my coffee, please; Im dieting.请不要给我的咖啡放糖，我在减肥。搭配：go/be on a diet 节食辨析：diet, fooddiet：指习惯的或规定的、维持健康的定量或定质的食物，如病人的疗养饮食等。food：一般用语，凡能吃的东西都可称为food。The sick man must not go without food, but he must have a diet without sugar.这个病人不能不吃东西，但要吃不含糖的食物。【例1】Would you like some potato chips?No potato chips for me. Im _ a diet.A. with B. on C. in D. at【例2】The doctor told him that eating regularly is as important as having a healthy_.A. food B. lifestyle C. fat D. diet What will happen to you if you dont eat a balanced diet?假如你的饮食不均衡会怎么样？知识2 balanced adj. 均衡的His mother told him the importance of a balanced diet.他妈妈告诉他饮食均衡的重要性。拓展：balance vt. 平衡；权衡 n.C,U 天平；平衡Try to balance your diet by eating more fruit and less meat.多吃些水果，少吃些肉，使饮食均衡合理。The girl lost her balance and fell off the balance beam.小女孩失去了平衡，从平衡木上掉了下来。搭配：keep/lose ones balance 保持/失去平衡 out of balance失去平衡 balanced diet平衡膳食【例】She has learned to _ the work and life.A. protect B. balance C. discount D. benefitReading By now his restaurant ought to be full of people.到了这个时候，她的餐馆本来应该宾客盈门的。知识3 ought to 应当；应该You really ought to quit smoking.你真的应该把烟戒了。We ought to get her some flowers for her birthday.我们应当送她些花祝贺她的生日。Many people felt that American ought not to take part in the war.许多人感到美国不应该加入这场战争。If he started out at nine, he ought to be here by now.他如果9点出发，现在应该到这里了。拓展：ought to/should have done过去应该做而没做 oughtnt/shouldnt to have done过去不应该做却做了联想：could have done过去本来能做某事而没做 must have done过去一定做了（对过去的肯定推测，仅用于肯定句中） cant/couldnt have done不可能做过 neednt have done本来没必要做却做了【例1】Mary _ the job he offered to her, but she didnt.A. cant take B. ought to have taken C. should take D. must have taken【例2】Shall I go and buy more fruit for the party? No, I have already bought three baskets. That _ be enough.A. can B. ought to C. may D. might Want to lose weight?想变瘦吗？知识4 lose weight 体重减轻；减肥Jane was going on a diet and she was losing weight.简正在节食减肥。If you want to lose weight, avoid high-fat diet.如果你要减肥，就不要吃高脂肪食物。联想：gain/put on weight 体重增加；发福【例】I dont think you need _ weight, and you should eat more instead.A. gain B. lose C. put D. take Curiosity drove Wang Peng inside.王鹏受到好奇心的驱使，走了进去。知识5 curiosity n. U好奇心Im full of curiosity about our new house.我对我们的新家充满了好奇。She decided to follow him out of curiosity.出于好奇，她决定跟踪他。Margaret looked at him with curiosity.玛格丽塔好奇地看着他。I opened the packet just to satisfy my curiosity.我打开包裹知识为了满足我的好奇心。搭配：out of curiosity 出于好奇 with curiosity 好奇地 satisfy ones curiosity 满足某人的好奇心拓展：curious adj.好奇的；渴望知道的【例】Just to satisfy my _, how much did you pay for your car?A. curiosity B. permission C. application D. sadness He could not have Yong Hui getting away with telling people lies！他可不能让雍慧哄骗他人却不受惩罚！知识6 本句为简单句，含有could not have sb. doing sth.结构，表示“不能容忍某人做某事”。have此处意为“允许；容忍”，用于否定句，常置于will not, cannot等之后。We cant have people arriving late all the time.我们不能容忍总有人迟到。拓展：have的相关用法have sb./sth. doing此结构中宾语与宾补之间是主谓关系，强调doing这一动作持续进行或“使某人或某物处于某种状态”。They have the machine working day and night.他们让机器昼夜工作。have sb. do此结构中宾语与宾补是逻辑上的主谓关系，强调一次具体的动作。I had my son finish his homework as quickly as possible.我让我儿子尽快完成作业。have sth. done此结构中宾语与宾补之间是动宾关系，表示“让某事被做，请别人做某事”或表示“某物被”In order to make herself more beautiful, she had her hair cut yesterday.为了使自己看起来更漂亮，昨天她理发了。I had my wallet stolen on the way home.回家的路上，我的钱包被偷了。【例1】If we have illegal immigrants _ in, many local workers will lose their jobs.A. came B. coming C. to come D. having come【例2】Good morning. Can I help you?Id like to have this package _.A. be weighed B. weighing C. to weigh D. weighed【例3】Excuse me sir, where is Room 301?Just