人教版八年級上冊英語U2 第四課時B (2a-2b)

1、Section B (2a-2b)Unit 2 How often do you exercise?學習目標學習目標 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 l

2、ike 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 phrasesresult n.percent n.online adj.television n.although prep.through conj.mind n.結果；后果結果；后果百分之百分之在線的；聯(lián)網的在線的；聯(lián)網的電視節(jié)目；電視機電視節(jié)目；電視機雖然；盡管；即使雖然；盡管；

3、即使以；憑借；穿過以；憑借；穿過頭腦；心智頭腦；心智body n.such adj. & pron.such as together adv.die v. writer n. 身體身體這樣的；那樣的；類似的這樣的；那樣的；類似的例如；像例如；像這樣這樣在一起；共同在一起；共同消滅；滅亡；死亡消滅；滅亡；死亡 作者；作家作者；作家How often do you ?Lead inLead inHow often do you ?I sleep eight hours every night.How many hours do you sleep every night? be good

4、for our healthbe bad for our health2aRank these activities according to how often you think your classmatesdo 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 countryPre-readingPre-reading15154 times a week85

5、859090202020202 21313101045452b Read the article and complete the pie charts on the next page.While-readingWhile-readingWhat Do No.5 High School Students Do in Their Free Time5.Although many students like to watch sports,game shows are the most popular.盡管很多學生喜歡看運動類節(jié)目，但游戲節(jié)目是最受盡管很多學生喜歡看運動類節(jié)目，但游戲節(jié)目是最受歡

6、迎的。歡迎的。although 作連詞，盡管、雖然，相當于作連詞，盡管、雖然，相當于though ，用來引導讓步狀語，用來引導讓步狀語從句。從句。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.上網或上網或看游戲類節(jié)目是很好的放松方式，但我們認為放松的最好方式是通看游戲類節(jié)目是很好的放松方式，但我們認為放松的最好方式是通過鍛煉。過鍛煉。（1）by doing sth 通過做某事，通過做某事，by 是是

7、prep 通過、靠，此處表示方法、通過、靠，此處表示方法、手段，其后接名詞、代詞或動名詞形式。手段，其后接名詞、代詞或動名詞形式。拓展：拓展：a.by +交通工具，乘交通工具，乘/坐坐/駕駕I went to Beijing by plane b.by+時間，到時間，到.時，在時，在.以前以前I must be in bed by ten oclockc.by+地點，在地點，在.旁邊旁邊（2）the best way to .做做.最好的方式最好的方式The best way to learn English is to speak it every day (3)辨析辨析through ,over與與across Review the new wo