2016秋人教版八年级英语上册Unit2　How often do you exercise Section B（2a～2e）教案 §自主学习案 根据句意及首字母提示完成单词。 1．I knew many ways by using the Internet.And I got more help in writing. 2．Jim's mother usually buys some fruits such as apples and strawberries for him. ]3.Although the man was in trouble，he still didn't ask for help. 4．We rode the horses through the forest and arrived at the old town. 5．Twenty percent of the students in my class walk to school every day. §课堂导学案 Step 1　准备与热身(Preparation) T：Good morning, class.Look at the picture.Let's talk about the activity you often do.Please work in pairs，using as many Wh－questions as possible. What do you do in your free time？(Let some students tell the others about their activities) and finish 2a ranking. Step 2　呈现与输入 (Presentation) In 2b，ask students to read the following passage. T：Now look at the passage in 2b. It's about “What do No.5 High School Students do in Their Free Time？” After reading，please circle the activities. After that ，ask the students to read the passage again and complete the pie charts on page 14. Step 3　练习与体验 (Practice) In 2c，ask students to do the exercise in 2c.Read the article in 2b again and answer the questions.In 2d，ask students to do the exercise in 2d，According to the article and the pie charts in 2b，write sentences with the percentages using always，usually or sometimes. Then do the writing work.Write about your own pie chart.(2e) Step 4　运用与生成 (Production) This period we've learnt some words and learnt to interview somebody with the sentence：How often? Step 5　巩固与提高(Progress) 【探究点】 Here are the results.这是结果。 该句是一个倒装句，用来表示强调。句子以here，there等副词开头，动词为be，come, go, run等词时，常用这种句式。若这类结构中的主语为代词时，则不需要倒装。 【针对训练】 我们老师来了。 Here __comes_our_teacher__． 【探究点】 We were surprised that ninety percent of them use the Internet every day.我们很惊讶有90%的同学天天使用因特网。 surprised形容词，意为“吃惊的；惊奇的”。常用于“be surprised at…；be surprised to do sth.；be surprised that＋从句”结构中，意为“对……感到惊奇”。 【拓展】surprised常用来修饰人；surprising常用来修饰物。 【针对训练】 We are __surprised__(surprise) at this beautiful city. 【探究点】 It's good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise.通过使用因特网或者观看游戏节目来放松是很好的，但是我们认为放松的最好的方式是通过锻炼。 ①by介词，意为“通过……方式，途径，手段”，后常接名词、代词或v.－ing形式，对该短语提问应用how。 ②the best way to do sth.意为“做某事的最好方式”，有时也可用the best way of doing sth.。