Unit 3 Safety lesson16

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1、Unit2Accidents!Lesson16HowSafeIsYourHome?Designer:QiRonghui知识目标：Graspthenewwords,phrasesandtheimperativesentences.能力目标：Thestudentswillbeabletogivewarningstootherswiththeimperativesentences.情感目标：ThestudentswillfeelliketalkingabouthowtogiveawarningtoothersandTodorightthi

2、ngsathomeandkeepsafe.教学目标词汇Vocabularysodan.苏打saltn.食盐knifen.小刀scissorsn.剪刀poisonn.毒药bathtubn.浴缸、盆bakingn.烘焙burnv.烧伤，烫伤slipv.滑到preventv.阻止，预防heatn.＆v.热，高温，炉灶；加热certainadj.某些，某个themselvespron.他（她、它）们自己ReadingReadthetextandfindouttheanswerstothesequestions.1.Isyourhouseas

3、afeplace?Why?2.Whyarethekitchenandthebathroomthemostdangerousroomsinthehouse?Listentothetapeandfindwhatweshoulddointhekitchenandinthebathroom.listening1.Becarefulwiththefireandheatwhenyoucook.做饭时当心别烧着或烫着。Takethechairaway.把这把椅子弄走。Don'tstandonchairs.不要站在椅子上。Neverleavesma

4、llchildrenaloneinabathtub.永远不要把小孩子单独留在浴缸里。Nosmoking!禁止吸烟！【探究总结】祈使句（Imperative）用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句，祈使句最常用于表达命令。祈使句因对象（即主语）是第二人称，所以通常都省略。祈使句的动词都为一般现在时，句末则使用句号来表示结束。Keepoffthegrass.（勿践踏草坪。——禁止）Noparking.禁止停车。肯定结构:1.Do型(即:动词原形(+宾语)+其它成分)。如:Pleasehaveaseathere.请这边坐。

5、2.Be型(即:Be+表语(名词或形容词)+其它成分)。如:Beagoodboy!要做一个好孩子!3.Let型(即:Let+宾语+动词原形+其它成分)。如:Letmehelpyou.让我来帮你。否定结构:1.Do型和Be型的否定式都是在句首加don't构成。如:Don'tforgetme!不要忘记我!Don'tbelateforschool!上学不要迟到!2.Let型的否定式有两种:“Don't+let+宾语+动词原形+其它成分”和“Let+宾语+not+动词原形+其它成分”。如:Don'tlethimgo./Lethimnotgo

6、.别让他走。3.有些可用no开头,用来表示禁止性的祈使句。如:Nosmoking!禁止吸烟!Nofishing!禁止钓鱼!【学以致用】1.请照看好你的包。_____________________yourbag.2.不要把书放这儿。______________yourbookhere.3.让我试试。______________haveatry.4.禁止钓鱼。______________！答案：1.Pleaselookafter2.Don'tput3.Letme4.Nofishing2.Don’tusewatertoputoutkit

7、chenfires.Usebakingsodaorsaltinstead.扑灭厨房的火不要用水，而要用发酵粉或盐。1)putout意思是“扑灭”2)辨析instead(adv.)与insteadofinstead是副词，作“代替；而是”解，可用在句首或句末，放在句首时用逗号隔开insteadof是一个短语，作“代替；而不是”解，后接名词、代词、动词的-ing形式或介词短语。【学以致用】1.Shewon'tgo.I'llgoinstead.(同义句转换)I'llgo________________her.2.Heaskedmeanot

8、herquestioninsteadof_______me.A.answeredB.answerC.answeringD.toanswer答案：instead;ofWemusttrytopreventourenvironmentfro