Unit 2 Section B 2a-2d课件 2024-2025学年人教版英语八年级上册

Unit 2 How often do you exercise ? Section B (2a-2d) Learning Objectives To learn about the free time activities of the students from No. 5 High School To learn new words: percent, through, however, almost, none, less, point… 2 Free talk What activities do you usually do in your free time? How often do you do these activities? 吉隆坡石油双塔（双子塔），扶桑花是马来西亚国花 ___% every day Exercise ______ % 4-6 times a week ___ % 1-3 times a week ___% no exercise 20 15 20 45 Read carefully and complete the pie charts below. 2b 15% of our students exercise every day. Great works are performed not by strength but by perseverance ______ % 4-6 times a week ______ % 1-3 times a week ______ % every day 85 13 2 Read the forth paragraph and fill in the blanks. Watch TV Great works are performed not by strength but by perseverance Skimming Please find the main idea of each paragraph. B. It is a survey about students’ free time activities. A. It is about how often students watch TV. C. It is about how often students exercise. E. It is about how often students go online. Para.1 Para.2 Para.3 Para.4 Para.5 D. The best way to relax is through exercise. Fast reading: （略读法：跳跃式阅读，注重开头，结尾，关键词，主题句） Read the passage quickly and divide(把...分成) the passage into three parts Part 1 Part 2 Part 3 Topic of the survey Results of the survey Conclusion(结论) of the survey Read part 1 carefully and answer the questions What were the questions about? Topic Who What When Part 1 Who did the writer ask? When did the writer do the survey? Exercise, use of the Internet, and watching TV. The students of No.5 High School. Last month Careful reading: Read part 2 and finish the pie charts Part 2 Results of the survey Careful reading: Tips：pay attention to percentage words（百分比） Read para. 3 and finish the second pie chart Para. 3 2.What do most students use the Internet for? Most students use the Internet for fun. 10 90 1.What percent of the students use the Internet ________? ___________ of the students use the Internet ________. every day Ninety percent every day 3-4 times a week 3-4 times a week Ten percent Careful reading: Read para. 4 and finish the third pie chart Para. 4 2. What do they usually watch? They usually watch game shows. 1. What percent of the students watch TV ______________? 13 2 85 ________________ of the students watch TV_____________. every day Eighty-five percent every day 4-6 times a week Thirteen percent 4-6 times a week 1-3 times a week Two percent 1-3 times a week Careful reading: Presentation Read the last part and answer: conclusion(advice) 1.What the authors’ opinion about the best way to relax? Why? 2.How do the authors support the opinion(论证这观点)that exercise is healthy for the mind and the body? 3.why can’t people keep exercising? 4.What is the writer’s advice(建议）for students? The best way to relax is through exercise. It is healthy for the mind and the body. They use an _______. example Old habits die hard. 旧习难改 Start exercising before it’s too late. 现在开始练习还为时不晚。 opinion reasons advice Survey Background (Para. 1) when where who what exercise No.5 High School students Ask them about their free time activities Last month Use of the Internet Watching TV Survey Result (Paras.2-4) Most students use the Internet for fun. Game shows are the most popular. Conclusion (Para. 5) opinion---the best way to relax reasons---It’s healthy for... advice---So start... 1.Why does the writer write the report? To show his worry and give his advice. 2.What is the relationship between exercise…TV? How do you know it? All of them are ways to relax. “It’s good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. ” Discuss the following questions in groups. 1. Do you think the students in No. 5 are healthy? Why or why not? No, I don’t think so. Because most students use Internet or watch TV on their free time.They don’t like exercising. They are lack of exercising. They are unhealthy. 2. If you are a principal (校长) of No. 5 High School, can you give dear students some advice to help them improve health? Good living habits are healthy for the mind and the body. We should exercise _________. …… We can’t go online or watch TV _________. …… And remember, “old habits die hard.” So make a good plan before it’s too late. Presentation Look and say Lead to objective 3 After reading 2e Choose 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. play computer games read books go shopping draw pictures play sports How often do you...? Names of classmates 1-3 times a week 4-6 times a week every day Students’ free time activities also include playing computer games, going shopping, helping with housework… Work in groups of 4. Choose one free time activities. S1: asks at least 10 students: How often do you…a week? S2: takes notes and record data(记录数据) S3: draws a pie chart S4: presents(展示) the pie chart in English. Match the headings（标题）with the paragraphs 1 to 5. Be a clever reader ! Para1. Topic(话题） Watching TV Use of the Internet Para2. Exercise Para3. Para5. Free time activities Conclusion（总结） Para4. Great works are performed not by strength but by perseverance 16 第一段齐读，result 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 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. Language points 1. 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 isn’t interesting at all. 那个故事一点也没有趣。 They didn’t enjoy the vacation at all. 他们根本不喜欢那次旅行。 The old man can’t 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。 单项选择。 ( )1.They practice English ______ joining the English club. A．by　　　　　B．in　　　C．on　　　　 　D．with ( )2.My father likes to take a bus to his office _____ he has a car. A．although B．if C．because D．when ( )3.In this shop，60 _____of the watches _____ from other countries.(易错题) A．percents；are B．percent；is C．percents；is D．percent；are A A D ( )4.I enjoy playing computer games，but I can't _____ too much time ______that. A．take；doing B．spend；doing C．spend；to do D．take；to do ( )5.He tried to get into the room ___ the window，because he couldn't open the door.(易错题) A．across B．for C．along D．through B D Exercise 根据汉语意思完成句子 1．他会说好几种语言，比如，英语和日语。 He can speak several languages ________ ________ English and Japanese. 2．在你离开房间之前，不要忘记关窗户。 Don't forget to close the window _______ ______ _______ the room. such as before you leave 25 3．我喜欢许多动物，比如，熊猫。 I like many animals, ________ ________， the panda. 4．他通过锻炼来保持健康。 He stays healthy ________ ________． 5．百分之三十的学生每周看一次电视。 ________ _______ _______ the students watch TV once a week. for example through exercise Thirty percent of 26 $$