人教版八年级上册英语U2 第四课时B (2a-2b).ppt

,Section B (2a-2b),Unit 2 How often do you exercise?,学习目标,Key words & phrases: result，percent，online，television，although play computer games，use the Internet，go camping， go online Key sentences: 1.We found that only fifteen percent of our students exercise every day. 2. Although many students like to watch sports, game shows are the most popular. 3. Its good to relax by using the Internet 4. How many students do not exercise at all?,New words and phrases,result n. percent n. online adj. television n. although prep. through conj. mind n.,结果；后果 百分之 在线的；联网的 电视节目；电视机 虽然；尽管；即使 以；凭借；穿过 头脑；心智,body n. such adj. & pron. such as together adv. die v. writer n.,身体 这样的；那样的；类似的 例如；像这样 在一起；共同 消灭；灭亡；死亡 作者；作家,How often do you ?,Lead in,How often do you ?,I sleep eight hours every night.,How many hours do you sleep every night?,be good for our health,be bad for our health,Rank these activities according to how often you think your classmates do them (1=most often, 6=least often).,watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the country,Pre-reading,15,4 times a week,85,90,20,20,2,13,10,45,Read the article and complete the pie charts on the next page.,While-reading,What Do No.5 High School Students Do in Their Free Time,5.Although many students like to watch sports,game shows are the most popular.尽管很多学生喜欢看运动类节目，但游戏节目是最受欢迎的。 although 作连词，尽管、虽然，相当于though ，用来引导让步状语从句。 6.It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise.上网或看游戏类节目是很好的放松方式，但我们认为放松的最好方式是通过锻炼。 （1）by doing sth 通过做某事，by 是prep 通过、靠，此处表示方法、手段，其后接名词、代词或动名词形式。 拓展：a.by +交通工具，乘/坐/驾 I went to Beijing by plane b.by+时间，到时，在.以前 I must be in bed by ten oclock c.by+地点，在.旁边 （2）the best way to .做.最好的方式 The best way to learn English is to speak it every day,(3)辨析through ,over与across,Review the new words in the period. Review the language po