课题：Unit 2 How often do you exercise?Period 5-6 (Section B 2a-2e) 主备人：_ _审核人：_ 审核时间：_ 等级认定：_学科组长签字：_ 教科室签字：_学习目标【Learning objectives】1.掌握下列单词：result, percent, online, television, although, through,mind, body, such, such as, together, die, witer.2. 理解2b短文的主旨大意，完成3c 和 3d，掌握文章中的短语、句型。3.对本课的内容进行归纳、对话改写、及仿写。重点和难点【Important and difficult points】 1.重点：阅读2b，完成3c 和 3d，掌握文章中的单词、短语、句型。2.难点：对本课的内容进行归纳、对话改写、及仿写。预习内容【Preview contents】自主预习并完成Section B Period5 2a-2e的导学单，为上课做好准备。学习过程【Learning process】预习反馈，明确目标【Preview feedback, Clear objective】翻译下列单词及短语1.结果，后果_2. 百分之_3. 在线，联网的_ 4. 电视节目_ 5.尽管_6. 凭借，穿过_ 9.这样的_10. 像这样_ 11. 在一起，共同_ 12. 消失，灭亡_13.作者，作家_14.上网_ 15.百分之十五_16. 一周四到六次_ 17. 一点也不_18.本性难移_二、创设情境，自主探究【Create situations, Self inquiry】 Finish 2c, 2d and check the answers.三、展示交流，点拨提升【Display communication, Coaching to enhance】 Pairwork: Finish 2e with your partner.四、师生互动，拓展延伸【Teacher-student interaction, Development】Grammar Focus：We found that only fifteen percent of our students exercise every day. Percent，名词，意为“百分之” e.g. Eighty percent of the students in our class exercise every day. 我们班里80%的学生每天都锻炼。 【注意】percent做主语时，谓语动词的数要根据其后面的名词来确定。e.g. Fifty percent of the apples are bad. 50%的苹果都坏了。 Twenty percent of the meat is in the fridge. 20%的肉都在冰箱。 2.And twenty percent do not exercise at all!not at all 意为“一点也不”， not应和be动词、助动词或情态连用。 e.g. The story isnt interesting at all. 那个故事一点也没有趣。 They didnt enjoy the vacation at all. 他们根本不喜欢那次旅行。 The old man cant use the computer at all. 那位老人一点也不会用电脑。 3. Although many students like to watch sports, game shows are the most popular. although 连词，“尽管，虽然；即使” e.g. We went fishing although it was cold.尽管天气很冷，但是我们还是去钓鱼了。 注意：although引导的从句不能与but连用。 e.g. 尽管他离家很早，但是他还是迟到了。Although he left home early, but he was late. ()Although he left home early, he was late. ()My cousin knows a lot about geography, _ he is only four years old.A. because B. soC. although 4. the best way to relax is through exercise. through 介词，课文中意为“以，凭借” e.g. He found the job through an advertisement in the newspaper. 他通过报纸上的一个广告找到这份工作。 拓展 through 还有“穿过”之意。表示“从内部穿过”。 e.g. They went through the forest yesterday. 昨天他们穿过了森林。 5. Exercise such as playing sports is fun such as意为“像这样”，表示列举。 结构常为：名词+ such as + 例子 e.g. She likes animas such as rabbits and birds. 她喜欢像兔子、小鸟这样的小动物。 注意：其后面不可列举出所有的事物。如：我了解四种语言，例如英语、汉语。 I know four languages, such as, English and Chinese. ()I know four languages, such as, English, French, Japanese and Chinese. () 6. Old habits die hard. 本性难移。 这是英语中的一句谚语，表示习惯一旦养成，并非朝夕即可改变，多用来 描述人们一时难以改变的固有观念及做法。e.g. Its the age of new technology, but my grandpa still goes everywhere with his old radio. Old habits die hard, you see. 现在都已经是新技术时代了，可我爷爷仍然到哪儿都带着他的收音机。你瞧，老习惯可真难改呀。7. So start exercising before its too late! its too late 为时太晚；来不及了 e.g. Now you know youre wrong, but its too late. 现在你知道你错了，但是已经太晚了。its too late与before共同组成从句，表示“不要等到为时已晚；不要等到来不及的时候；趁着还来得及 ”。e.g. You should work harder before its too late to catch up.你应当更加用功，别等到为时过晚而赶不上了。（你现在用功还赶得上。）五、达标测评, 巩固提高【Evaluation standards，Consolidation and improvement】.单选（ ）1. Her father _ time. A. usually waste B. never wastes C. hardly ever waste D. always wasting（ ）2. A: How often does Lara play the trumpet? B: _ once or _ a week, Im not sure. A. May be, twice B. Maybe, twice C. Maybe, two times D. May be, two time（ ）3. A: Ill give the boys _ to eat. B: Oh, I know fish and salad. A. something healthy B. healthy something C. anything healthy D. healthy anything（ ）4. What _ the differences between your habit and _? A. are, hers B. is, his C. does, her D. do, his（ ）5. A: _ do you write to your parents? B: Once a month. A. How often B. How long C. How much D. How many.阅读理解： We all need to exercise. Doctors say it is good for us. It makes your heart and body strong. It also gives you more energy. And you will feel better about yourself. Its best to exercise twice a week. Twenty minutes each time is enough. There are many ways to exercise. You can walk, run, play sports, or swim. Many people go to special places to exercise. They are ca1led fitness centers. These places have a lot of equipment. Some People buy equipment for their homes. But it is very expensive. Exercising can be fun. Friends can exercise together at a fitness center. Or they can play sports together. Ho