八年级上册unit2SB2a-2d.ppt
33页
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 country Let’s do a survey.What do you do in your free time? Do exercise, use of the Internet or watching TV?What activities do you think is healthy for the mind and the body? televisionbodyonlinemindtogether ___% of the students join the dancing club.___% of the students join the basketball club.___% of the students join the ping-pong club.5 students 20 students10 students50 students102040percent 1. I think the passage will mainly(主要主要) tell us_________A. after school activitiesB. studyTitle: Look at the title and predict what it is mainly about.(看标题，预测看标题，预测内容）内容） B. It is a survey about students’ free time activities.A. It is about how often students watch TV.C. It tells how often students do exercise.E. It is about how often students go online.Para.1Para.2Para.3Para.4Read each paragraph quickly and draw a line to get the main idea. （快速阅读，获取大意。
快速阅读，获取大意Para.5D. 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 85132 Read Para.2-3 again and answer the questions.1.How many students do not exercise at all?Twenty percent do not exercise at all. 2.How many students use the Internet every day?Ninety percent of them use the Internet every day. 3. How often do most students watch TV? What do they usually watch?Most students watch TV every day. They usually watch sports and game shows.4. What does the writer think is the best way to relax? Why?The writer thinks the best way to relax is through exercise. Because it is healthy for the mind and the body.Read Para.4-5 again and answer the questions. 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. 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 sometimes watch TV. Two percent of the students sometimes watch TV. 1. We found that only fifteen percent of our students exercise every day. percent 名名词词，意，意为为“百分之百分之…………” e.g. Eighty percent of the students in our class exercise every day. 我我们们班里班里80%的学生每天都的学生每天都锻锻 炼炼。
【注意】【注意】percent做主做主语时语时，，谓语动词谓语动词的数要根据的数要根据其后面的名其后面的名词词来确定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 意意为为“一点也不一点也不”，， not应应和和be动词动词、助、助动词动词或情或情态连态连用 e.g. The story isn’t interesting at all. 那个故事一点也没有趣那个故事一点也没有趣 They didn’t enjoy the vacation at all. 他他们们根本不喜根本不喜欢欢那次旅行那次旅行 The old man can’t use the computer at all. 那位老人一点也不会用那位老人一点也不会用电脑电脑。
3. Although many students like to watch sports, game shows are the most popular. although 连词连词，，“尽管，尽管，虽虽然；即使然；即使” e.g. We went fishing although it was cold. 尽管天气很冷，但是我尽管天气很冷，但是我们还们还是去是去钓钓 鱼鱼了 注意：注意：although引引导导的从句不能与的从句不能与but连连用尽管他离家很早，但是他尽管他离家很早，但是他还还是是迟迟到了Although he left home early, but he was late.(××)Although he left home early, he was late. (√√) [中考中考链链接接] (2012 成都成都) My cousin knows a lot about geography, ______ he is only four years old.A. because B. soC. although C 4. …the best way to relax is through exercise. through 介介词词，，课课文中意文中意为为“以，凭借以，凭借” e.g. He found the job through an ad in the newspaper. 他通他通过报纸过报纸上的一个广告找到上的一个广告找到这这份份 工作。
工作 [拓展拓展] through 还还有有“穿穿过过”之意表示之意表示“从从…………内部穿内部穿过过”e.g. They went through the forest yesterday. 昨天他昨天他们们穿穿过过了森林 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 结结构常构常为为：名：名词词+ such as + 例子例子 e.g. She likes animas such as rabbits and birds. 她喜她喜欢欢像兔子、小像兔子、小鸟这样鸟这样的小的小动动 物 注意：其后面不可列注意：其后面不可列举举出所有的事物出所有的事物如：如：我了解四种我了解四种语语言，例如英言，例如英语语、、汉语汉语I know four language, such as, English and Chinese. (√√)I know four language, such as, English, French, Japanese and Chinese. (××) 6. Old habits die hard. 旧旧习难习难改。
改 这这是英是英语语中的一句中的一句谚语谚语，表示，表示习惯习惯一一 旦养成，并非朝夕即可改旦养成，并非朝夕即可改变变，，多用来多用来 描述人描述人们们一一时难时难以改以改变变的固有的固有观观念及念及 做法做法e.g. It’s the age of new technology, but my grandpa still goes everywhere with his old radio. Old habits dire hard, you see. 现现在都已在都已经经是新技是新技术时术时代了，可我代了，可我爷爷爷爷仍然到哪儿都仍然到哪儿都带带着他的收音机你瞧，着他的收音机你瞧，老老习惯习惯可真可真难难改呀 7. So start exercising before it’s too late! it’s too late 为时为时太晚；来不及了太晚；来不及了 e.g. Now you know you’re wrong, but it’s too late. 现现在你知道你在你知道你错错了，但是已了，但是已经经太晚太晚 了。
了 it’s too late与与before共同共同组组成从句，表示成从句，表示“不要等到不要等到为时为时已晚；不要等到来不及的已晚；不要等到来不及的时时候；趁着候；趁着还还来得及来得及 ”e.g. You should work harder before it’s too late to catch up.你你应应当更加用功，当更加用功，别别等到等到为时过为时过晚而赶晚而赶不上了你不上了你现现在用功在用功还还赶得上 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 502525 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 记住好好锻记住好好锻炼身体哟！炼身体哟！ 。
