八年级上册unit2SB2a-2d

1、Unit 2 How often do you exercise?Section B1 2a-2dRank 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 countryLets do a survey.What do you

2、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?televisionbodyonlinemindtogetherNew words_% of the students join the dancing club._% of the students join the basketball club._% of the students join the ping-pong

3、club.5 students 20 students10 students50 students102040percent1. I think the passage will mainly(主要) tell us_ after school activitiesB. studyWhat Do No.5 High School Student Do in Their Free Time?Title: Look at the title and predict what it is mainly about.(看标题，预测内容）Predict B. It is a survey about s

4、tudents 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。）SkimPara.5D. The best way to relax is t

5、hrough 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 85132Read Para.2-

6、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.Careful reading3. How often do most students watch TV? What do they usually watch?Most s

7、tudents 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 t

8、he students in No. 5 are healthy? _ Why or why not? _ _ _No, I dont think so. Because most students use Internet or watch TV on their free time. They dont like exercising. Its unhealthy. 2dAccording to the article and the pie charts, write sentences with the percentages using, always, usually or som

9、etimes .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 per

10、cent of the students sometimes watch TV. Two percent of the students sometimes watch TV. Language points1. 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

11、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 isnt interesting at all. 那个故事一点也没有趣。 They didnt enjoy the vacation at al

12、l. 他们根本不喜欢那次旅行。 The old man cant 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。尽管他离家很早，但是他还是迟到了。Although he left home

13、 early, but he was late.()Although he left home early, he was late. ()中考链接 (2012 成都) My cousin knows a lot about geography, _ he is only four years old.A. because B. soC. although C4. 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 ad in the newspap

14、er. 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 kno

15、w four language, such as, English and Chinese. ()I know four language, 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. Its the age of new technology, but my grandpa still goes everywhere with his old radio. O

16、ld habits dire 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 its too late! its too late 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 了。its 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 its 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。）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?E