2014年秋人教版八年级英语上册Unit2（第3课时）课件.ppt

Jim / once a weekLi Ming/ twice a weekTony/ 3 or 4 times a weekBob /every dayLi Lei/ hardly everPeter/ neverHow can we be healthy?Exercise often and eat healthy food.Could you tell us some healthy food?Well. Fruit, vegetables, milk, rice and meat.1. _ junk food 3. _ fruit 5. _ sleep2. _ milk 4. _ vegetables 6. _ coffee afcdeb1aMatch the words with the picture below.abcdefhealthy:unhealthy: cola, salad, soup, hot dog, milk, hamburger, dumpling, fruit, chicken, onion, potato, tomatohealthy:unhealthy:salad, soup, milk, dumpling, onion, fruit, chicken, potato, tomatocola, hot dog, hamburger be good for 对对有好处有好处be bad for 对对有坏处有坏处e.g. Hot dog is bad for our health. 热狗对我们的健康有坏处。热狗对我们的健康有坏处。 e.g. Milk is good for our health. 牛奶对我们的健康有好处。牛奶对我们的健康有好处。 1bAsk and answer questions. Use the words from 1a. How often do you drink milk, Liu Fang?I drink milk every day.Do you like it?No. But my mother wants me to drink it. She says its good for my health. How often do you eat junk food?I eat it once a week.Do you like it?Yes. But my mother doesnt let me eat it. She says its bad for my health. How often do you drink/eat?I eat Do you like ? Listen to an interview about two peoples daily habits. Circle your answers to each question. Does Tina have good habits? Yes. No. I dont know. Does Tina have good habits? Yes. No. I dont know. 1cQuestions1. How often do you exercise?2. How often do you eat fruit? 3. How many hours do you sleep every night?4. How often do you drink milk?5. How often do you eat junk food?6. How often do you drink coffee?Tina Bill_ _ _ _ _ _ _ _ _ 1dListen again. Fill in the blanks in the survey.every day1. How often do you exercise?2. How often do you eat fruit? 3. How many hours do you sleep every night?Tina: every day Bill: hardly everAnswers Tina: every day Bill: neverTina: nine Bill: nine4. How often do you drink milk?5. How often do you eat junk food?6. How often do you drink coffee?Tina: every day Bill: neverTina: two or three times a week Bill: three or four times a weekTina: never Bill: four times a dayStudent A is the reporter. Student B is Tina or Bill. Ask and answer questions. Then change roles. 1eHow often do you exercise?I exercise every day. And how often do you How often do you exercise?I never exercise. How often do you eat fruit?I never eat fruit.I . Rank these activities according to how often you think your classmates do them (1=most often, 6= least often). 2awatch TV go to the movies play computer gamesexercise or play sportsuse the Internetgo camping in the countrytelevisionbodyonlinemindtogetherLets do a survey.What do you do in your free time? Doing exercise, use of the Internet or watching TV?What activities do you think is healthy for the mind and the body?2bRead the passage quickly and find the answer to the questions below.1. How many kinds of free time activities are mentioned in the passage? _2. What is the best way to relax? _Three. The best way to relax is through exercise.Read the passage carefully and complete the pie chart below._ % every day Exercise_ % 3 or 4 times a weekUse of the Internet_ % every day _ % 4-6 times a week_ % 1-3 times a week_ % no exercise102015204590_ % 4-6 times a weekWatch TV_ % 1-3 times a week_ % every day 851322cRead the article again and answer the questions.1. How many percent of the students do not exercise at all? _2. How many percent of the students use the Internet every day? _Ninety percent students. Twenty percent students. 3. How often do most students watch TV? _ What do they usually watch? _ 4. What does the writer think is the best way to relax? _ Why? _Most students watch TV every day.They usually watch sports, game shows. Its healthy for the mind and the body.Exercise. 5. Do you think the students in No. 5 are healthy? _ Why or why not? _ _ _No, I dont think so. Because most students use Internet or watch TV on their free time. They dont like exercising. Its unhealthy. 2dAccording to the article and the pie charts, write sentences with the percentages using always, usually or sometimes.1. 90%：_ _ 2. 85%: _ _ 3. 45%: _ _Eighty percent of the students always watch TV. Ninety percent of the students always use the Internet. Forty-five percent of the students usually exercise. 4. 10%: _ _5. 13%: _ _ 6. 2%: _ _Ten percent of the students sometimes use the Internet. Thirteen percent of the students usually watch TV. Two percent of the students sometimes watch TV. 1. We found that only fifteen percent of our students exercise every day. percent 名词，意为名词，意为“百分之百分之” e.g. Eighty percent of the students in our class exercise every day. 我们班里我们班里80%的学生每天都锻的学生每天都锻 炼。炼。【注意注意】percent做主语时，谓语动词的数要根据做主语时，谓语动词的数要根据其后面的名词来确定。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。的苹果都坏了。 Twenty percent of the meat is in the fridge. 20%的肉都在冰箱。的肉都在冰箱。2. And twenty percent do not exercise at all! not at all 意为意为“一点也不一点也不”， not应应和和be动词、助动词或情态连用。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。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。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。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，连词，“尽管，虽然；即使尽管，虽然；即使” e.g. We went fishing although it was cold. 尽管天气很冷，但是我们还是去钓尽管天气很冷，但是我们还是去钓 鱼了。鱼了。注意：注意：although引导的从句不能与引导的从句不能与but连连用。用。e.g. 尽管他离家很早，但是他还是迟到了。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. ()中考链接中考链接 My cousin knows a lot about geography, _ he is only four years old.A. because B. soC. although C4. the best way to relax is through exercise. through 介词，课文中意为介词，课文中意为“以，凭借以，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他通过报纸上的一个广告找到这份 工作。工作。拓展拓展 through 还有还有“穿过穿过”之意。表示之意。表示“从从内部穿过内部穿过”。e.g. They went through the forest yesterday. 昨天他们穿过了森林。昨天他们穿过了森林。5. Exercise such as playing sports is fun such as意为意为“像像这样这样”，表示列，表示列举举。 结构常为：名词结构常为：名词+ such as + 例子例子 e.g. She likes animas such as rabbits and birds. 她喜欢像兔子、小鸟这样的小动她喜欢像兔子、小鸟这样的小动 物。物。注意：其后面不可列举出所有的事物。注意：其后面不可列举出所有的事物。如：如：我了解四种语言，例如英语、汉语。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. 旧习难改。旧习难改。 这是英语中的一句谚语，表示习惯一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，旦养成，并非朝夕即可改变，多用来多用来 描述人们一时难以改变的固有观念及描述人们一时难以改变的固有观念及 做法做法。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，仍然到哪儿都带着他的收音机。你瞧，老习惯可真难改呀。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，但是已经太晚现在你知道你错了，但是已经太晚 了。了。its too late与与before共同组成从句，表示共同组成从句，表示“不要等到为时已晚；不要等到来不及不要等到为时已晚；不要等到来不及的时候；趁着还来得及的时候；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。）不上了。（你现在用功还赶得上。）2eChoose one of these free time activities or think of your own. Then ask your classmates how often they do this activity and make a pie chart. 1-3 times a week. How often do you play sports?Every day.How often do you read books?How often do you? Numbers of classmates (总总40)1-3 times a week4-6 times a weekevery day201010_ % 4-6 times a weekPlay sports_ % 1-3 times a week_ % every day 5025251. 读读2b中的短文。中的短文。2. 根据根据2e的调查结果写一个报告。的调查结果写一个报告。记住好好锻记住好好锻炼身体哟！炼身体哟！