人教版八上Unit 2 How often do you exercise -Section B 2a —2e-ppt课件-市级优课-(配套教案编号：a02b9).ppt

1、 1.Bill 2.Cheryl 3.Note 4.Sunny 5.Michelle Lets do a survey(调查）调查）. A:What do you do in your free time (闲暇）闲暇）? B:I exercise/ use the Internet / watch TV Q:What activities do you think is healthy for the mind and the body ? Rank these activities according to how often you think your classmates do th

2、em (1=most often最常做最常做, 6= least often最少做最少做). 2a watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the country Read the article quickly and find the answers to the questions below. 1. How many kinds of free time activities are mentioned（被提及被提及） in

3、the passage? _ 2. What is the best way to relax? _ Three. The best way to relax is through exercise. Read the article and complete the pie charts（饼状图饼状图） on the next page. _ % every day Exercise _ % 3 or 4 times a week Use the Internet _ % every day _ % 4-6 times a week _ % 1-3 times a week _ % no e

4、xercise 10 20 15 20 45 90 2b _ % 4-6 times a week Watch TV _ % 1-3 times a week _ % every day 85 13 2 2c Read 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

5、 of the students use the Internet every day. Twenty percent of the students do not exercise at all. 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 game shows

6、. Because Its healthy for the mind and the body. The writer thinks the best way to relax is through Exercise. 5. Do you think the students in No. 5 are healthy? _ Why or why not? _ _ _ No, I dont think so. Because most of the students use Internet or watch TV in their free time. They dont like exerc

7、ising. Its unhealthy. 00 ：60 Lets PK. 最大声最大声 1分 最快速最快速 1分 最清晰最清晰 1分 2d According to the article and the pie charts, write sentences with the percentages using always, usually or sometimes. 1. 90%：_ _ 2. 85%: _ _ 3. 45%: _ _ Eighty-five percent of the students always watch TV. Ninety percent of the s

8、tudents always use the Internet. Forty-five percent of the students usually exercise. 4. 10%: _ _ 5. 13%: _ _ 6. 2%: _ _ Ten percent of the students often use the Internet. Thirteen percent of the students usually watch TV. Two percent of the students sometimes watch TV. 1. We found that only fiftee

9、n percent of our students exercise every day. percent 名词，意为“百分之名词，意为“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。 Tw

10、enty 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“一点也不”，意为“一点也不”，not应和应和be 动词、助动词或情态动词连用。动词、助动词或情态动词连用。 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度假。他们根本不喜欢那次度假。

11、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连用

12、，连用， 有有although就没有就没有but，反之亦然。，反之亦然。 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. () 运用运用 My cousin knows a lot about geography, _ he is only four years old. A. because B. so C. although C 4. the best way to relax

13、is through exercise. through 介词，课文中意为“以，凭借”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“穿过”之意。表示还有“穿过”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 p

14、laying sports is fun such as意为“像意为“像这样”，表示列这样”，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 animals 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

15、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 ra

16、dio. 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b

17、efore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。（你现在用功还赶得赶不上了。（你现在用功还赶得 上。）上。） 2e Choose one of these free time activities or think of your own. Then ask your class

18、mates 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 week 4-6 times a week every day 20 10 10 play computer games read books go shopping draw pictures play sports _ % 4-6 times a week Play sports _ % 1-3 times a week _ % every day 50 25 25 1. 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。