八年级英语上册Unit2Howoftendo教学课件新版人教新目标版

八年级英语上册Unit2Howoftendo教学课件新版人教新目标版

Unit 2 How often do you exercise? Section B 2 2a-2e Rank these activities according to how often you think your classmates do them (1=most often, 6= least often). 2a watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the country 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? Survey n . 头脑；心智 n. 身体 Read the article quickly and find the answers 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. Read the article carefully and complete the pie charts below. ______ % every day Exercise ______ % 3 or 4 times a week Use of the Internet ______ % every day ______ % 4-6 times a week ______ % 1-3 times a week ______ % no exercise 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 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. It’s healthy for the mind and the body. Exercise. n. 作者 5. Do you think the students in No. 5 are healthy? _________________________________ Why or why not? _________________________________ _________________________________ _________________________________ _________________________________ No, I don’t think so. Because most of the 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-five 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 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 fifteen percent of our students exercise every day. percent 名词，“百分之 …… ” e.g. 我们班里 80% 的学生每天都锻炼。 Eighty percent of the students in our class exercise every day. 【 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 ____ bad. 50% 的苹果都坏了。 Twenty percent of the meat ____ in the fridge. 20% 的肉都在冰箱。 are is 2. And twenty percent do not exercise at all ! not … at all “一点也不”， not 应和 be 动词、助动词或情态动词连用。 e.g. 那个故事一点也没有趣。 他们根本不喜欢那次度假。 那位老人一点也不会用电脑。 ( 翻译 ) The story isn’t interesting at all . They didn’t enjoy the vacation at all . The old man can’t use the computer at all . 3. … but we were surprised that ninety percent of them use the Internet every day. surprised 的用法 e.g. 我们队这个消息感到很意外。 我在这里见到你很意外。 ( 翻译 ) We are surprised at the news. I am very surprised to meet you here. surprised adj . 惊奇的，意外的 be surprised at... 对 ...... 感到惊讶，后面可以跟 somebody, something, 或 doing something be surprised to do sth. 做某事感到惊讶 be surprised that + 从句 4. Although many students like to watch sports, game shows are the most popular. although 连词， “ 尽管，虽然；即使 ” e.g. 尽管天气很冷，但是我们还是去钓鱼了。 ( 翻译 ) We went fishing although it was cold. 注意： although 引导的从句不能与 but 连 用，有 although 就没有 but 。 e.g. 尽管他离家很早，但是他还是迟到了。 ( 翻译 ) Although he left home early, he was late. 【 运用 】 My cousin knows a lot about geography, ______ he is only four years old. A. because B. so C. although C 5. …but we think the best way to relax is through exercise. through 介词，“以，凭借” e.g. 他通过报纸上的一个广告找到这份工作。 ( 翻译 ) He found the job through an advertisement in the newspaper. 【 拓展 】 through 还有“穿过”之意。表示“从 …… 内部过”。 e.g. 昨天他们穿过了森林。 ( 翻译 ) They went through the forest yesterday. 6. Exercise such as playing sports is fun… such as “像 …… 这样”，表示列举 。 结构常为：名词 +such as+ 例子 e.g. 她喜欢像兔子、小鸟这样的小动物。 She likes animals such as rabbits and birds. 7. Old habits die hard . 旧习难改。 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。 8. So start exercising before it’s too late ! it’s too late 为时太晚；来不及了 e.g. 现在你知道你错了，但是已经太晚了。 Now you know you’re wrong, but it’s too late . 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. 你应当更加用功，别等到为时过晚而赶不上了。 You should work harder before it’s too late to catch up. 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 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 Ⅰ.  根据句意及提示填空。 1. Some of my classmates dream of being ________(write). 2. Old Henry _______(die) last month and that made his children sad. 3. There're two _________(television) at Lily's home. One is in the living room and the other is in her parents' room. writers died televisions 4. Look! These baby monkeys are clinging to ( 抱住 ) their mothers' _______(body). 5. Jenny and her brother had good test _______(result). bodies results Ⅱ.  根据语境及提示，补全所缺单词。 1. You got 20  p                of the answers right — that means ( 意味着 ) one in every five. 2. —Does your brother often go  o               ? —Yes, he often plays computer games on the Internet. percent online 3. She was watching her son  t                 the kitchen window. 4. I know Bob. He and I worked  t                 many years ago. 5.  A                 Tom's car is old, it still runs well. through together Although   根据汉语意思完成英语句子，每空一词。 1.  我参观过许多城市，比如深圳和天津。 I visited many cities, ________ ________ Shenzhen and Tianjin. 2.  那是解决这个问题的最好的办法吗？ Is that _______ ________ _______ ______ solve the problem? 3.  我们不知道这个问题的答案。 We don't know _____ ________ _____ ______ __________.   the best way to  the answer to the question such as 4.  我的狗每天至少睡 10 个小时。 My dog sleeps ________ ________ ten hours every day. 5.  格林先生问了我有关我工作的情况。 Mr. Green ________ me ________ my job. at least  asked about 1. 读 2b 中的短文。 2. 根据 2e 的调查结果写一个报告。