ThefirstperiodComicstrip&Welcometotheunit学习目标能准确运用有关保护环境的表达。能就环保的话题展开讨论。掌握四会内容（要求听得懂、会说、会读、会写）学习重难点：掌握四会内容（要求听得懂、会说、会读、会写）；复习usedto的用法。预习要求根据学习目标的要求，借助课本140页的生词表和课本配套磁带预习6-18页的单词。通过看课本或查找互联网，初步了解一些关于北京过去和现在的交通工具的变化。自主先学Task1.Thinkaboutwhattoolswecanusetodigholes?Task2:Hoboisgoingtodigholes.Doyouknowwhy?Canyoufindouttheanswer?Listentothetapeandtellmetheanswer.Task3.Listentothetapeandanswersomemorequestions.WhydoesHobowanttoplantmoretrees?DoesEddiewanttogowithHobo?WhatdoesEddiewanttoplant?DoyouknowwhenourTree-plantingDayisinChina?小组合作Task4.朗读和背诵对话。Task5.Ourplanetisintrouble.Weshouldtryourbesttoprotecttheenvironment.Whatelsecanwedo?Trytowritedownyouradvice.Aboutcomputers______________________________.Aboutwater_____________________________________.Aboutbags______________________________________.Aboutcards_______________________________________.Aboutgoods______________________________________.Abouttraffic_______________________________________.Toprotectenvironment,weshould减少水污染，空气污染，食品污染,短时间冲澡，节省能源，及时关灯，出行选择公共交通，骑车或步行，废物再用等等。（请翻译成英语）Task6.完成书上练习PartA.Task7.听录音PartB,跟读并找出对话中谈到的保护环境的常见措施。1.2.3.4.点拨拓展1.Whatareyougoingtodo?你打算做什么？句中begoingtodosth.意思是“___________”。e.g.I_______________planttreesthisSunday.我打算这个星期天去植树。2.Willmoretreesbeplantedthisyear?句中willbeplanted意思是“_________”。“willbe+动词的过去分词”是一般将来时的被动语态。e.g.Thepandawillbesenttothezootomorrow.这只大熊猫明天将被送到动物园。[及时练]将下列句子改为被动语态。1)Hisfatherwillmendhisbike._______________3.Wecanreduceairpollutionbyridingbicycle.句中reduceairpollution意思是“_______”。“bydoingsth.”意思是“_______”。Wecanprotecttheenvironment__________（recycle）things.我们可以通过回收利用东西来保护环境。Wecansaveenergy_______________thelights.我们可以通过关灯来节约能源。4.Mydadusedtodrivemetoschool.句中usedtodosth.意思是“_________”。“drivesb.+地点副词/to+地点名词”意为“_______”。drivetosp.=gotosp.bycar意思是“___________”。Myfriendsoftendrivetowork.我的朋友们经常开车去上班。=Myfriendsoften__________work_____car.四、课堂检测英汉互译：106—107页1.在花园里挖掘2.你是认真的吗？3.种面包果树4.世界环境日5.通过骑自行车减少空气污染6.通过洗更短时间的淋浴来节