最新Book1Unit4Earthquakes复习教学讲义PPT课件.ppt

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1、Book1Unit4Earthquakes复习29.invitesb.todo30.onthatspecialday31.expressmythankstosb.forsth.32.burstoutcrying/intotears33.alotofinformation34.atthesametime35.diefrom36.fallingfurniture37.keep…from38.bethemostlikelytodo39.It’sbettertobesafethansorry.40.smelly41.burst/burst42.suffering43.extremely44.injur

2、e/injured/injury45.survive/survivor46.destroyed47.useless/useful48.trapped49.bury/buried50.miner51.reporter52.frightened/frightening53.congratulate/congratulation54.judge/judging55.expression56.cycle/cyclist57.die/died/dead/death/dying/deadly58.rise/rose/risenfall/fell/fallenfeel/felt/felt13.Peopleb

3、egantowonder__longthedisasterwouldlast.Thehotweatherlasted__awholeweek,__madeeverybody__(tire)and__(sleep).14.Allhopewasnotlost.→Notallhopewaslost.Everymanisn’thonest.→AsfarasIknow,bothofthemdon’tsmoke.Ididn’tlikeeitherofthem./Iliked__ofthem.15.Thearmyorganizedteams__(dig)outthose____(trap)and__(bur

4、y)__(die).__(bury)inhisstudy,hedidn’tknowthatalltheothershadleft.16.Workersbuiltsheltersfor__(survive)__homes__(destroy).Itwasacity__hospitalsweregone./Itwasacity____thehospitalsweregone.17.Wearepleased__(tell)youthatyouhavewonthehighschoolspeakingcompetition.18.Innextmonththecitywillopenanewpark__(

5、honour)those__helpedthe__(survive).19.Ourofficewouldlike__(have)youtospeak__thepark__(visit)__July28__11:00am.20.Weinviteyou__(bring)yourfamilyandfriends__thatspecialday.6．seat替换sitOnhiswaytoschool,hefoundanoldladyseated(sitting)bytheroad, lookingworried.7．suppose替换shouldHeissupposedto(should)havedr

6、ivenmoreslowly.8．appreciate替换thankThankyouverymuchforyouhelp.→　　Weappreciateyourhelpverymuch./Yourhelpismuchappreciated.9．thecase替换trueIdon’tthinkitisthecase(true).10．on替换assoonasAssoonashearrived,hebeganhisresearch.→Onhisarrival,hebeganhisresearch..3.2.1解一元一次方程—合并同类项复习巩固同类项所含字母相同,并且相同字母的指数也相同的项合并同

7、类项把多项式中的同类项合并成一项,叫做合并同类项.计算等式的性质1若,则.等式的性质2若,则.若,则.填空:若,则实际问题一元一次方程思考：如何列方程？分哪些步骤？一.设未知数:二.分析题意找出等量关系:三.根据等量关系列方程:问题1某校三年共购买计算机140台,去年购买数量是前年的2倍,今年购买数量又是去年的2倍.前年这个学校购买了多少台计算机？设前年这个学校购买了计算机______台,则去年购