Unit2Howoftendoyourcise第四课时.doc

Unit2 How often do you exercise?Section B (2a-2d)主备：李珍霞备课：Sep.12th 上课：Sep.13rd 课时： The fourth periodTeaching aims :1.Learn these new words: result,percent ,online,television ,although, mind, body, such ,together,dentist,magazine.2.Can understand the long text and do the exercises.3.Can use “percent” to express something.Important points:Aim 1,2,3Difficult points:Aim 2,3课前育人：课标要求：1. 能从文章中找出有关信息，理解大意。2. 能根据上下文猜测生词的意思。3. 能连贯、流畅地朗读课文。Teaching steps:Step 1. Revision 1.Ask some students to recite the conversation of 1b.2.Ask and answer the questions of 1d.Step 2.Presentation1.Write these percents on the blackboard, ask some students to read them .15% 45% 20% 90% 10% 2% 13% 85% 2.Read the article quickly,find out all the percents.3.Read the article again,fill in the blanks.Write the pie charts on the blackboard .Ask one student to fill it on the blackboard.4.Help the students to retell the results according to the pie charts. For example,“Fifteen percent of the students exercise every day.” Then retell the results to their partners. And next ,retell them together.5.Read the article again and answer the questions of 2c.6.Help them make clear how to use “always,usually and sometimes.”Say the sentences like this :Ninety percent of the students always use the Internet.Step 3. Practice Retell t