义务教育课程标准实验教科书（新目标）八年级上 教学案 编写人:艾大华Unit 2 How often do you exercise?Period 3（Section B 1a—2e）内 容方 法学习目标知识与技能1.能掌握以下单词：percent，online, television，although, body，such as, mind，together, die, writer2.能掌握、理解本节课短语的用法3.进行听力训练，提高综合听说能力4.通过阅读短文，获得相关信息，提高学生们的综合阅读能力过程与方法 1.采取三课五环教学法，实现语言输入与语言输出的有机结合，达成本课时的目标情感、态度与价值观了解其他学生们的日常生活情况，让学生们知道应如何安排自己的日常生活，向其 他有良好生活习惯的人们学习，做一个有良好习惯的人展示重点难点教学重点：1.掌握本课时出现的生词、短语及表达方式2. 进行听力训练，提高综合听说能力3.阅读短文，并理解其意义，获得相关信息，提高学生们的综合阅读能力 教学难点:1. 听力训练2.阅读2b部分的短文，理解其意义并完成相关要求。
展示知识链接有关蔬菜和水果的单词课前器材多媒体，教科书，黑板，粉笔等情景导入利用图片，呈现有关食物的单词，并分清哪些食物对身体有好处，应少吃那些食物教学过程一、 自学感知（ 分钟）1. 1a. Read the words with the pictures then match the words with the pictures.2. Ask and answer questions. Use the words from 1a. then recite the conversation.3. 1c Listen to the interview about eating habits. Circle your answer to each question.4.1d Listen again. Fill in the blanks in the survey.5.1e Student A is the reporter. Student B is Tina or Bill. Ask and answer questions. Then change roles.6.2a.Rank these activities according to how often you think your classmates do them (1=most often, 6= least often). 2b. Read the article for the first time, understand the meaning and answer the question and complete the pie chart on the book. (1)How many kinds of free time activities are mentioned in the passage?(2) What is the best way to relax?7.Read the article carefully, understand the meaning and finish 2c,2d and 2e on the book.二、 合作探究（ 分钟） 学生可合作完成2b,2c和2d.三、小组展示（ 分钟） 1b.Ask and answer questions about the pictures on 1a like this: A: How often do you drink milk, S1? B: I drink milk every day. A: Do you like it? B: No, but my mother wants me to drink it. She says it’s good for my health. 四、精讲提升（ 分钟）（一）呈现自学感知中的相关答案。
1.1a,1c,1d,1e，2a（略）2.2b.(1)How many kinds of free time activities are mentioned in the passage?Three. (2) What is the best way to relax?The best way to relax is through exercise.the pie chart on the book.(略)2c.（1）Twenty percent students. (2) Ninety percent students. (3) Most students watch TV every day. （4）Exercising. It’s healthy for the mind and the body. (5) No, I don’t think so. Because most students use Internet or watch TV on their free time. They don’t like exercising. It’s unhealthy. 2d. (1)90%：Ninety percent of the students always use the Internet. (2) 85%: Eighty percent of the students always watch TV. (3) 45%: Forty-five percent of the students usually exercise. (4) 10%: Ten percent of the students sometimes use the Internet. (5) 13%: Thirteen percent of the students sometimes watch TV. (6) 2%: Two percent of the students sometimes watch TV. 2e.略Then read the article again carefully, circle some useful phrases.（二）Explanation1. She says it’s good for my health. 她说它对我的健康有益。
1)此句为宾语从句, says后面跟的从句的时态必须和主句中谓语动词时态 保持一致, 都用一般现在时2)be good for 对……有好处.例如： Vegetables are good for our health. 蔬菜对我们的健康有益 Junk food are not good for our health. 垃圾食品对我们的健康有害2. only one to three times a week 每周只有一到三次. 注意这种表达, “to”为介词 (1) 两到三次 two to three times. (2) 每月四到五次 four to five times a month.3. The answers to our questions about watching television were also interesting.对我们提出的有关看电视的问题的答案也挺有意思1)句子主语为 the answers ，故谓语用 were2) 表示“…的答案”要用“answer to…”如：There’s no easy answer to this problem.这个问题没有简单的答案。
Her answer to your question is a big “NO”! (3)表示“有关…的（问题）”用question about…如：He asked us some questions about our daily habits.他问了一些有关我们日常习惯的问题Her questions about you were not so friendly.她有关你的那些问题并不那么友善她对你所提的问题的答案是一个大大的“不”字！4.Although many students like to watch sports, game shows are the most popular.虽然很多学生喜欢看体育节目，但游戏类节目是最受欢迎的although 为连词，意为：“虽然，尽管”注意：在英语中，当表示“虽然…，但是….”这样的意思时，although和but不能在同一个句子中使用也就是说，在一个句子中，有although就没有but ，反之亦然如：Although the car is old , it still runs well.=The car is old , but it still runs well.这辆小车旧了，但是依然跑得不错。
5. So start exercising before it’s too late!所以赶紧锻炼起来，不要等到来不及了It’s too late 字面意思为“为时太晚，来不及了”是英语的一个常用表达如：Now you know you are wrong , but it’s too late.你现在知道错了，已经太晚了句中， It’s 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；趁还来的及”如：You should work harder before it’s too late to catch up.你现在用功还赶得上五、达成目标（ ）(一)填空1. The old man ________(锻炼) every morning.2. I often _______ (购物) on weekends.3. We must _______ (保持 ) our classroom clean.4. There are some ___________(不同) between the two pictures. I. Fill in the blanks.5. He ____________ (几乎不) goes to a restaurant for dinner.6. Katrina doesn't often _______ (喝)coffee, she likes green tea. 7. My eating _________(习惯) are not very good.（二）单项选择1. I like English very much, so I ____ listen to the tape in the morning. A. usually B. hardly ever C. never2. Milk is good _____ our ______. A. to; healthy B. to; health C. for; healthy D.。