Lesson45Howsafeisyourhome?WhatshouldyoudoWhenyoucookthedinner?Neverleavesmallchildrenaloneinabathtub.NewWords•Accidentsarebad,wemusttryto________them.•Wheredowecleanourselves?Yes,inthe_________.•Weuse____tocook.Butitisdangerous,too.•Sinceyou’rebusy,I’llgo______.•Weuse_____towashourfaceandhands.•Thefarthestpartfromthemiddleiscalled____.Don’tstandatthe____ofthetable,youmayfalldown!preventbathroomfireinsteadsoapedgeedgeTalkaboutit!1.Ifacookiscareless,whatmighthappeninthekitchen?2.Wheniselectricitysafe?Whenisitnotsafe?3.Whyshouldn'tparentsleaveyoungchildrenaloneinthebathtub?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。Languagepoints2.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。Practice1:根据汉语提示填空。1.Ifwearecarefulenough,alotofaccidentscan____________(避免).2.He________(滑倒)ontheicyroadandbrokehisleg.bepreventedslipped3.Mumalways_______(擦干)herhandsbeforesheturnsonthestove.4.Thefiremen_______(熄灭)thefirequickly.5.Weateallthefoodand______(剩下)nothingontheplate.driesputoutleftPractice2:选择最佳选项。1.Thankyouforyour______onhowtosolvetheproblem.A.newsB.tipsC.warningD.care2.Wedidn’tgotothezoo.Wewenttothepark,_______.A.tooB.alsoC.eitherD.instead√√3.Hecouldn’tswimatall.He______intheriver.A.diedB.drownedC.divedD.swam4.There’sno_______today.Sowecan’tusethe_______appliances.A.electrical,electricityB.electricity,electronicC.electricity,electricalD.electricity,electricity5.Hestood_______theedgeofthemountainandlookeddownatthesmallvillagebelow.A.onB.byC.inD.outside√√√Let’sdoit!Workinasmallgroup.Givesuggestionsabouthowtokeepasafehome.Writethemdownandsharethemwiththeclass.Tryusingthesephrases:~Never___________whenyou.~Youshouldalways__________.