Unit 2 How often do you exercise 第四课时 Section B (2a-2e)-（教案）【木牍教育·课时A计划】2023-2024学年八年级上册英语人教新目标Go For It!（安徽）

第四课时　Section B (2a-2e) ◇目标导航◇ 类别 课时要点 重点单词 result n.结果;后果 percent n.=(per cent)百分之…… online adj.&adv.在线(的);联网(的) 重点单词 television n.电视节目;电视机 although conj.虽然;尽管;即使 through prep.以;凭借;穿过 mind n.头脑;心智 body n.身体 重点单词 such adj.&pron.这样的;那样的;类似的 together adv.在一起;共同 die v.消失;灭亡;死亡 writer n.作者;作家 重点短语 such as例如;像……这样 重点句型 1.Forty⁃five percent exercise four to six times a week.百分之四十五(的学生)一周锻炼四到六次。 2.Most students use it for fun and not for homework.大部分学生上网是娱乐而不是(做)作业。 3.It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise.通过上网或者看游戏类节目来放松是好的,但是我们认为最好的放松方式是通过锻炼。 4.What percent of the students do not exercise at all?百分之多少的学生完全不锻炼? 教学重点 1.让学生掌握百分数的表达。 2.让学生学会合理利用业余时间,增强时间观念。 教学难点 1.让学生掌握百分数在具体语境中的表达。 2.加强学生合理分配业余时间的意识,养成良好的生活和学习习惯。 ◇教学过程◇ 预习指导 一、方法指导 预习教材Page 13~14,标注不认识的单词。然后翻到生词表,通过读和写基本了解本课时的单词。 二、预习检测 根据句意及汉语提示完成句子 1.Ninety 　percent　(百分之……) of the students use the Internet every day.  2.　Although　(即使) many people like to watch news,game shows are the most popular.  3.Lu Xun is a great 　writer　(作家).  4.There is no 　such　(这样的) thing as a free lunch.  5.You can only achieve success 　through　(凭借) hard work.  课堂教学 Step 1 Leading in 1.Greet the class. 2.Introduce what to learn in this period. T:Today we’ll center on the article to see what No.5 High School students do in their spare time.What do you usually do in your free time? S1:I usually exercise or play sports. S2:I usually play computer games. ... Step 2 Work on 2a-2b 1.Show the new words on the screen or write them on the board and teach the new words.Ask the students to repeat them.And make sure everyone knows the meanings. 2.Make the students scan the article first.Ask the students to put a mark in contents that are unfamiliar to them.Then lead the students to learn this article sentence by sentence.Pay attention to the difficult language points. 3.Let the students practice reading it. 4.Get them to complete the pie charts on Page 14. 5.Ch