Unit4Astronomythescienceofthestars教案新人教版必修

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1、Unit4一、根据句意填入单词或短语的正确形式1.Theprofessorhasbroughtinagood（系统）ofteachinglanguagefromabroad.2.Therearemanytabouttheoriginoflife.3.Childrenshouldnotbeallowedtowatchvmovies.4.Ibelievetheaffairishtothecompany.5.Theoldladyeonlyoncoffeeandbread.6.Shelistenedwithapexpressiononherface.7.Th

2、emoon’spontheseacausesthewaves.8.Ihadintendedtocatchtheearlytrain,butIdidn’tgetup(及时)9.Whydoyouwanttokillthehensthat（下蛋）everyday?10.Manywomenplantogbabiesthisyear.11.Doctorssaymanydiseasescanbepspreadingbywashingourhands.12.Istayeduplastnight,sotodayIcan’tc.13.Nyouhavegrownup,y

3、oushouldnotdependonyourparents.14.DoyouknowwhentheSecondWorldWarb?15.Wforthecarswhenyoucrossthestreet.二、Unit4词汇串记Ourgeographyteachersaystheearthisonlyoneoftheplanetsofthegiant.otherplanets,lifeontheearth,butlife’soriginisstilla.Differentandcultureshaveseparateideas.Theteachersa

4、ysitmaybedividedintofourstages.Thefirststageisabouthowtheuniversebegan.Awidelyacceptedcanexplainit.Afterthe“BigBang”,begantoformandcombinetocreatestarsandotherbodies.Thesecondstageishowtheearthformed.Between4.5and3.8yearsago,cloudsanddustinspacesettledintoasolid.Theearthbecamet

5、hatitoftenexploded.Theandwaterappeared.Waterisamatterforlifetoexistontheearth.Italsodissolvesgasesandacids.Thethirdstageisaboutplants’andanimals’appearance.Atfirst,plantsinthewater用心爱心专心appearedand.Theyproduced,whichencouragesanimalsinthewatertoexist.Later,greenplantsonthelandc

6、ausedanimalsonthelandtoappear.Theyfirstandbecamebabies.Later,mammalsbabiesdirectly.Thelaststageisthathumansbecamethemostimportantanimalsontheearth.Weputtoomuchcarbondioxideinthetocauseglobalwarming.Wemusthowthingswillgoandmakelawstotheearthbecomingtoohot.wehavetakenmeasures,wew

7、illsucceed.Solet’sandworktogether.三、单项选择1.Inaroomabovethestore,whereaparty,someworkerswerebusilysettingthetable.A.wastobeheldB.hasbeenheldC.willbeheldD.isbeingheld2.ItwehadstayedtogetherforacoupleofweeksIfoundwehadalotincommon.A.wasuntil;whenB.wasuntil;thatC.wasn’tuntil;whenD.w

8、asn’tuntil;that3.we’llgocampingtomorrowdependsonthewea