人教版八年级上册英语《Unit 2 Section B 2a-2e 》PPT课件

1、Section B 2a-2eSection B 2a-2e u To learn about the free time activities of the students from No.5 High School. u To learn to use adverbs of frequency to write about your habits. u To learn new words: percent, through, however, almost, none, less, point Objectives Make your own conversations in pair

2、s. Revision What do you usually do in your free time? How often do you ？ watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the country Rank these activities according to how often you think you classmates do them (1=most often,6=least often 1最多最多6最少

3、最少) go online For me, I most often go online. I least often go to the movies. 2a 百分数百分数用基数用基数+ percent表示表示 50 fifty percent百分之五十百分之五十 3 three percent百分之三百分之三 In our class, _students like using the Internet. _ students like playing sports. _ students like watching TV. _ students like doing homework.

4、Lets summarize. All students? =100% Most students?=51%-99% Some students?=1%-50% No students? = 0% use the Internet 25% 25 percent ?% 25 percent 35 percent 15 percent Read the article and complete the pie charts on the next page. What Do No.5 High School Students Do in Their Free Time? Last month we

5、 asked our students about their free time activities. Our questions were about exercise, use of the Internet and watching TV. Here are the results. 2b 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

6、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 ten percent use it at least three or four times a week. Most students use it for fun and

7、not for homework. 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 sp

8、orts, 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

9、 play together. And remember, “old habits die hard”. So start exercising before its too late! Read the article and complete the pie charts on the next page. 15 20 20 45 10 90 132 85 Read the passage quickly and find the answers to the questions below. 1. How many kinds of free time activities are me

10、ntioned in the passage? _ 2. What are they? _ Three. Exercise, use the internet/ go online, watch TV Results 调查结果调查结果 Comments 调查结论调查结论 Topic 调查内容调查内容 Para .1 Para. 2, 3, 4 Para. 5 Skim the article and match each paragraph with the following parts. Exercise Watching TV Go online Reading task Read ea

11、ch paragraph quickly and draw a line to get the main idea. Para1. Para2. Para3. Para5. Free time activities Para4. A.It is about how often students watch TV. B. It is a survey about students free time activities. C. It tells how often students do exercise. D. The best way to relax is through exercis

12、e. E. It is about how often students go online. Read the article and mark True (T) or False (F). 1. We found that twenty percent of our students exercise every day. 2. Ninety percent of the students use the Internet every day. 3. Most students use the Internet for homework. 4. Only twenty percent of

13、 the students watch TV two or three times a week. 5. Do exercise is healthy for the mind and the body. F T F F T Read the article again and answer the questions. 1.How many students do not exercise at all? 2.How many students use the Internet every day? 3.How often do most students watch TV?What do

14、they usually watch? 20% students do not exercise at all. 90% students use the Internet every day. Most students watch TV every day. They usually watch sports, game shows. 2 c 4. What does the writer think is the best way to relax? Why? 5. Do you think the students at No.5 are healthy? Why or why not

15、? Exercise, because it is healthy for the mind and the body. No , I dont think so.Because most of the students use Internet or watch TV on their free time. They dont like exercising. Its unhealthy. 1. We found that only fifteen percent of our students exercise every day. percent n.“百分之百分之”没有复数形式没有复数

16、形式 基数词基数词+percent+ of.“百分之百分之.的的.”.”作主作主语时语时 ， 谓语的数谓语的数和和ofof后的名词，代词后的名词，代词保持一致保持一致。 Seventy percent of the boys like playing computer games. 男生中男生中70%喜欢喜欢玩玩电脑游戏。电脑游戏。 Thirty percent of time passes. 百分之三十的时间过去了。百分之三十的时间过去了。 2. Although many students like to watch sports, game shows are the most popu

17、lar.虽然虽然 很多学生喜欢看体育节目，但游戏节目是最受欢迎的很多学生喜欢看体育节目，但游戏节目是最受欢迎的 。 although是连词，意为是连词，意为“虽然，即使，纵然虽然，即使，纵然”，引导，引导 让步状语从句，相当于让步状语从句，相当于 though，大多数情况下两者，大多数情况下两者 可互换。可互换。注意：注意：although 引导的从句不能与引导的从句不能与but 连用连用 ，有有although 就没有就没有 but（即（即 although but不同现）不同现） 。 Although it rained, the boys still played outside. =

18、It rained, but the boys still played outside. 尽管天下雨了尽管天下雨了，但男孩们仍在外面玩耍。但男孩们仍在外面玩耍。 Ex.He didnt say sorry to me. He was wrong . (合并为一句）合并为一句） He didnt say sorry to me_he was wrong. although 3.but we think the best way to relax is through exercise. through prep. 以，凭借，穿过以，凭借，穿过 eg.Light comes in through

19、 the window. 易错点：辨析易错点：辨析through, across ,over (见下图）见下图） Ex. 选词填空选词填空 We walked _the bridge. Sam liked trekking_the jungle,because he thinks its exciting. The birds fly _the lake. across through over 4. And twenty percent do not exercise at all! 百分之二十的学生根本不运动！百分之二十的学生根本不运动！ The story isnt interestin

20、g at all. 那个故事一点也没有趣。那个故事一点也没有趣。 They didnt enjoy the vacation at all. 他们根本不喜欢那次旅行。他们根本不喜欢那次旅行。 The old man can hardly ever use the computer at all. 那位老人一点也不会用电脑。那位老人一点也不会用电脑。 not at all “一点也不一点也不”，注意：，注意：not代表了所有否定句，代表了所有否定句， 次结构可理解为在否定次结构可理解为在否定句末加上句末加上at all加强否定句语气加强否定句语气。 拓展：在口语中单独说拓展：在口语中单独说 no

21、t at all, 可用来表示可用来表示“不用谢不用谢”“没没 关系关系”。 5. Exercise such as playing sports is fun, and you can spend time with your friends and family as you play together. I know four languages, such as, English and Chinese. 我了解四种语言，例如英语、汉语。我了解四种语言，例如英语、汉语。 She likes animas such as rabbits and birds. 她喜欢像兔子、小鸟这样的小动

22、物。她喜欢像兔子、小鸟这样的小动物。 such as 用来举例，意为用来举例，意为“例如；诸如此类的；像例如；诸如此类的；像那那 样的样的”，结构常为：名词，结构常为：名词+ such as + 例子。例子。 注意：其后面不可列举出所有的事物。注意：其后面不可列举出所有的事物。 温馨提示：温馨提示：such as 可与可与like通用，所举例子只能为通用，所举例子只能为 单词和短语，但单词和短语，但for example 所举例所举例 子要为句子。子要为句子。 试对比：试对比： He does sports like/such as running every day. He likes sp

23、orts.For example, he runs every day. 6. but we were surprised that ninety percent of them use the Internet every day. 我们队这个消息感到很意外。我们队这个消息感到很意外。 We are surprised at the news. 我在这里见到你很意外我在这里见到你很意外。 I am very surprised to meet you here. surprised 形容词形容词，意思是，意思是“感到惊讶的感到惊讶的”，修饰人，修饰人， surprising “ “令人惊讶令

24、人惊讶”，修饰物。，修饰物。 常用结构：常用结构： 1）be surprised at sth 对某事感到惊讶 2）be surprised to do sth 做某事而感到惊讶 3）be surprised + that从句从句 因而惊讶 7. So start exercising before its too late! 所以要赶快锻炼起来，不要等到来不及了。所以要赶快锻炼起来，不要等到来不及了。 Now you know youre wrong, but its too late. 现在你知道你错了，但是已经太晚了。现在你知道你错了，但是已经太晚了。 你应当更加用功，别等到为时过晚而赶

25、不上了。你应当更加用功，别等到为时过晚而赶不上了。 You should work harder before its too late to catch up. start doing sth/to do sth=begin to do sth/doing sth 开始做某事 its too late 为时太晚；来不及了 its too late与与before共同组成从句共同组成从句，表示，表示“不要等到为时已晚不要等到为时已晚 ；不要等到来不及的时候；趁着还来得及；不要等到来不及的时候；趁着还来得及 ” ”。 Phrases summary 向某人询问某事 的答案 每周四至六次 一点也不

26、 上网 至少 每周三或四次 做某事的最好方式 例如 和某人一起度过时光 开始做某事 ask sb. about sth. the answers to four to six times a week notat all go online at least three or four times a week the best way to do sth. such as spend time with sb. start doing sth. According to the article and the pie chart, write sentences with the perce

27、ntages using always, usually or sometimes. 1. 90% :_ 2. 85% :_ 3. 45% : _ 4. 10% : _ 5. 13% : _ 6. 2% : _ 90% of students always use the Internet. 85% of students always watch TV. 45% of them usually exercise. 10% of them sometimes use the Internet. 13% of them sometimes watch TV. 2% of them sometimes watch TV. 2 d 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. Show the pie chart to your class. play compute