年级:九年级主备人:初审人:教研组长:教导主任:Lesson45Howsafeisyourhome?一.自主探究:(20分钟)1、知识准备:(2分钟)•Newwords:•preventv.bathroomn.•slipv.firen.•sodan.bakingsoda•insteadadv.electricaladj.•appliancen.soapn.•edgen.drownv.2、揭示课题:(1分钟)3、自学目标:(1分钟)(学习想高效、目标不可少)(1).我要学会掌握词汇prevent,bathroom,slip,fire,soda,bakingsoda,instead,electrical,appliance,soap,edgedrown,(2).我能正确理解掌握短语preventfromdoing,insteadof,hurtoneself,falloff,putout,startafire,ontheedgeof,leavesomebody/somethingalone(3).理解表示警告和命令的用法。4.自主学习:(8分钟)(学习要高效,自主学习很重要)认真阅读教材第56页,看书时用笔标出你认为应该掌握的内容或者你不理解的内容,并探究以下问题。1).Ifacookiscareless,whatmighthappeninthekitchen?2).Wheniselectricitysafe?Whenisitnotsafe?3).Whyshouldn'tparentsleaveyoungchildrenaloneinthebathtub?5.小组合作探究:(5分钟)(三个臭皮匠,顶个诸葛亮)小组长组织:1.2.3.同学组请你向4,5.6.同学组展示交流1-2题,4,5.6.同学组请你向1.2.3.4同学组展示交流3题,并合作探究、订正答案、提交疑难。二.成果展示:(5分钟)(自主探究效果好不好,小组展示见分晓)NewWords1.Accidentsarebad,wemusttryto________them.2.Wheredowecleanourselves?Yes,inthe_________.3.Weuse____tocook.Butitisdangerous,too.4.Sinceyou’rebusy,I’llgo______.5.Weuse_____towashourfaceandhands.6.Thefarthestpartfromthemiddleiscalled____.Don’tstandatthe____ofthetable,youmayfalldown!三.精心点拨:(6分钟)1.Manypeoplehurtthemselvesbyfallingoffchairs.许多人因为从椅子上摔下来而受伤。【点拨】(1)此句中hurtoneself意为“使自己受伤”。反身代词可以与一些动词连用,如,teachoneself(自学),dressoneself(给自己穿衣服),enjoyoneself(玩得开心),lookatoneselfinthemirror(照镜子)等等。【点拨】(2)falloff意为“从……掉下来”。又如:Thecatfelloffthehighwall,butitwasokay.猫从高墙上掉下来,但一点事也没有。【点拨】(3)by在句中表示“(方法,手段)由,用”。又如:Hemakesalivingbypainting.他靠画画谋生。2.Don’tusewatertoputoutkitchenfires.Usesodaorsaltinstead.不要用水扑灭厨房的火,而要用小苏打或盐。【点拨】putout意思是“熄灭、扑灭”。又如:Putoutyourcigarette.It’sagasstationhere.灭掉你的烟,这里是加油站。instead是副词,表示“代替,顶替”。又如:Heisill,soIgothereinstead.他病了所以我代替他去了。【拓展】insteadof后面跟名词、代词或动名词等。例如:Iusuallygotoschoolbybusinsteadofgoingbybicycle.我通常坐公共汽车去上学,而不是骑自行车3.Youdon’twanttostartafire.你不想引起火灾吧。注意下面短语的意思:Catchfire着火;makeafire生火;discoverafire发现火情;light/startafire点火;putoutthefire灭火;setfiretosth.=setsthonfire放火;beonfire失火,着火;在着火4.keepsoapinasoapdish,notontheedgeofthebathtub.把香皂放在香皂盒内,不要放在浴盆边缘上。Ontheedgeof意思是“在……的边缘上”如:Hesatontheedgeofthebed.他坐在床边上。5.Neveruseelectricalappliancesintheshowerorbathtub.一定不要带电洗浴。electrical是形容词,“电的;与电有关的”如:electricalengineering电机工程electric也是形容词,意思是“发电的;用于导电的;使用电力的”如:electricplug电源插头electrictricycle电动三轮车6.Neverleavesmallchildrenaloneinabathtub.决不要让小孩子独自在浴盆里(洗澡)。Leavesomebody/somethingalone“让某个/某物独自留在那里”,如:Leavemysandwichesalone.别动我的三明治。Don’tleavehimstandingoutside.别让他在外边站着。四、当堂检测:(10分钟)(成绩要想好,练笔不可少)Practice1:根据汉语提示填空。1.Ifwearecarefulenough,alotofaccidentscan______...