Unit 2 How often do you exercise？ Section B 2a-2e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 1 2a-2e television body online mind together New words Let’s 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? Reading 2b Read the passage quickly and find the answer to the questions below. 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. Last month we asked our students about their free time activities. Our questions were about exercise, use of the Internet and watching TV. Here are the results. We found that only fifteen percent of our students exercise every day. Forty-five percent exercise four to six times a week. Twenty percent exercise only one to three times a week. And twenty percent do not exercise at all! We all know that many students often go online, but we were surprised that ninety percent of them use the Internet every day. The other then percent use it at least three or four times a week. Most students use it for fun and not for homework. What Do No.5 High School Students Do in Their Free Time The answers to our questions about watching television were also interesting. Only two percent of the students watch TV one to three times a week. Thirteen percent watch TV four to six times a week. And eighty-five percent watch TV every day! Although many students like to watch sports, game shows are the most popular. It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. It is healthy for the mind and the body. Exercise such as playing sports is fun, and you can spend time with your friends and family as you play together. And remember, “old habits die hard”. So start exercising before it’s too late! Read the passage carefully and complete the pie chart below. 20 15 20 45 10 90 13 2 85 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 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. It’s 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 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 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。 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. (√) [中考链接] 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 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. 旧习难改。 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. It’s 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 it’s too late! it’s too late 为时太晚；来不及了 e.g. Now you know you’re wrong, but it’s too late. 现在你知道你错了，但是已经太晚 了。 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；趁着还来得及 ”。 e.g. You should work harder before it’s 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。） 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. 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40) 1-3 times a week 4-6 times a week every day 20 10 10 Group work Homework 1. 读2b中的短文。 2. 根据2e的调查结果写一个报告。 记住好好锻炼身体哟！ Thank you! $$