九年级英语上册unit2savingtheearthtopic3whatcanwedotoprotecttheenvironmentsectionb导学

Topic 3 What can we do at home to protect the environment?Section BEditor: WangXiaoxia Proofreade

Topic3Whatcanwedoathometoprotecttheenvironment? SectionB EditorClass__________Name____________ :WangXiaoxiaProofreaders:WangMeiyan Objectives ● 1.掌握本课的重点词汇和短语，继续学习并列句和提建议。 ● 2.掌握更多的提建议的表达方法。 ● 3.了解英语中的一些谚语。如：Easiersaidthandone. Procedures Beforeclass 一、 温故知新 1. 根据句意，用and,or,but,或while完成句子。 1) Turnoffthestove(炉子)，________thesoupwillburn. 2) Ridingbikescanreducepollution，__________itisgoodforourhealth. 3) Weweretired_________wewereveryhappy. 4) Ilikeplayingcomputergames____________mybrotherlikesreading. 二、预习指导： 1、 Underlinethefollowingphrasesinthearticle.Read,understandandtryto 划出下列短语 rememberthem.（在文中找到并，熟读、理解并记忆。） 1.做一个环保人tobeagreenerperson2.关(灯…)shutofftheelectricity 3.骑车rideabike4.最好做…hadbetterdo 5.代替insteadof6.乘公交车或打的takeabusorataxi 7.短距离旅行ashortdistance8.节约能源saveenergy 9.减少空气污染reduceairpollution10.带个布袋takeaclothbag 11.Easiersaidthandone.知易行难12.Actionsspeaklouderthandone.听其言不如观其 行13.(你)自己种蔬菜growfruitandvegetablesyourself14.富饶的土地richland 15.变成changeinto16.大声求援cryforhelp17.afterall毕竟 Readthe1aanswerthequestions. 2、 1.WhatareJaneandMichaeltalkingabout___________________________________? First 2.Howtobeagreenerperson?,you_____________________whenyouleavearoom. Next ,you’dbetter____________________insteadof ___________________inashortdistance.Becauseitwill ____________and_______________. Third ,whenyougoshopping,youhadbetter_______________, noplasticbags. 2. 完成课本1b.1c 3. 知识点讲解 1. Yououghttoturnoffthelightswhenyouleavearoom.当你离开房间时你应该关灯。 点拨：oughtto---应该，应当(情态动词，无人称，时态及数的变化)表示责任,义务或道 义上应该…语义同should 注意：oughtto的否定形式为oughtnottodosth.,缩略形式oughtn’tto 疑问形式为Ought+主语+todosth.?肯定回答：Yes,主+ought.否定回答：No,主+ oughtnot.oughtto的反义疑问句中，附加疑问部分用ought或should疑问 练习：a.你应该帮你妈妈做些家务活。You_________________yourmother_____some housework. c.你不应该在墙上画画。You________drawonthewall. 2.You’dbetterwalkorrideabikeinsteadoftakingabusorataxiifyoutravel