九年级英语下册-Unit-4-Life-on-Mars-Period-2省公开课一等奖新名师获

Unit4

Reading11/501.TolearnsomethingaboutlifeonMars2.Tolearnthewordsandphrasesinthispassage2/50WordsandExpressionsMarshelmetairtankdriedfoodpowerpacksleepingbaggravityn.

火星n.

头盔n.

氧气罐n.

干粮n.

电源包n.睡袋n.

重力3/50WordsandExpressionsplanetcrowdedpollutedrapidincrease(all)overagainpassengeralla/thespeedofn.

行星adj.

拥挤adj.

被污染adj.

快，快速n.

增加再；重新n.乘客以……速度4/50WordsandExpressionsuncomfortableoxygenintheformoftastyspeciallyfloatcomparecompareto/withadj.

使人不舒适；不适n.

氧气以……形式adj.

味道好adv.

专门地，特地vi.飘浮；漂浮vt.&vi.比较与……相比5/50WordsandExpressionsinterplanetarynetworkchallengingrapidlyadj.

行星间n.

网络adj.挑战性adv.

快地，快速地6/50Words:planetpollutedrapidincreasepassengerrapidlytastycomparePhrases:alloveragainata/thespeedofintheformofcompareto/withPatterns:Itishopedthat…Hereiswhatlifetherecouldbelike.Ourspacecraftaretooslowtocarry…Robotswoulddomostoftheirworksothat…Focuson7/50MovingtoMars8/501111SolarSystemWhereisMars?9/50MarsDoyouknowanythingaboutMars?Whatdoesitlooklike?Itlooksred.SoitisalsocalledtheRedPlanet.火星：太阳系八大行星之一，按离太阳由近而远次序计为第四颗，比地球小，公转周期约687天，自转周期约24小时37分。公转周期：约687天

自转周期：24小时37分22秒

行星直径：6794千米

质量：6.4191e20吨

10/50ThecolorofMars:__________redMars11/50one-halfthediameter(直径)ofEarthThesizeofMars12/50PlutoJupiterUranusNeptuneEarthVenusMarsSaturnMercuryEightplanetsinoursolarsystemthesolarsystem太阳系It’sbetweenEarthandJupiter(木星）inoursolarsystem.

13/50

twomoons（卫星）:

Phobos

andDeimos

火卫1和火卫214/50Thelowesttemperaturewillbe-133℃andthehighestwillbe27℃15/50What’sthelifelikeonMars?pillsonMarsonEarthfood16/50pollutionnopollutiononMarsonEarthWhat’sthelifelikeonMars?17/50populationalargenumberofmoreandmorecrowdedItisstillincreasingrapidly

increaseincreasingtherapid

increaseinpopulation18/50Movetoanotherplanet.Let’sstartalloveragainandbuildabetterworld19/50breathingoxygenWemustwearspacehelmetstogooutside.onMarsonEarthWhat’sthelifelikeonMars?20/50Doyouknowwhatthefollowingthingsare?TheyarenecessarywhenweliveonMars.airtank21/50driedfoodpowerpack22/50spacehelmetspecialboots23/50computersleepingbagtent24/50DoyouthinkitispossibleforhumanbeingstoliveonMars?DiscussionLet’senjoyavideo.25/501.

Atpresentourspacecraftaretoos

toc

largenumbersofpeople.2.

Withthedevelopmentoftechnology,thespacecraftcantravelatthespeedofl

.3.ThejourneytoMarsmightonlytake20m_____lowarryightHowcanwegettotheMars?

imutesspacecraft宇宙飞船passengers26/501.

Nobodyknowswhethertherewouldbeenoughw______oro___________onMars2.Scientistsarenotsurewhetherp______willgrowonMars.3.FoodwouldmostprobablybeintheformofpillsaterWhatdoweeatonMars?

山谷和溪流证实火星上曾存在水？Xygen（氧气）lants27/50helmetspecialbootsspacesuitWhatshouldwewearonMars？1.Thereisless________onMarsthanonEarth.2.Wecouldjumpe

andf

intospace.3.

Humanshavetowears

bootstomakethemselvesheavier.4.

Thebootsares_______designedtop______themselvesfromf_______offintospaceasily

loat

pecial

gravity

reventpecially

laoting

28/50WherewillweliveonMars?

liveinhouseswithlargecomfortableroomshugeRobotswoulddomostofthehousework29/50

Everystudentwouldhaveacomputerathome.Thecomputerwillbeconnectedtoaninterplanetarynetwork.WherewillwestudyonMars?

atarealschoolatanonlineschoolEverystudentwouldhaveacomputerathome.connectedtoaninterplanetarynetwork.30/50Readthepassage,matchthewordsontheleftwiththemeaningsontheright.B11.crowded2.rapid3.population4.alloveragain5.passenger6.tasty7.specially8.comparea.foronepurposeb.asecondtimefromthebeginc.decideinwhatwaythingsaresimilarordifferentd.havinganicetastee.fullofpeoplef.happeninginashortperiodoftimeg.apersonwhoridesinacar,bus,train,etc.butdoesnotdriveith.thetotalnumberofpeopleinanarea,acountry,etc.31/50Matchthekeywordswiththelinks.Writethecorrectlettersintheblanks.B2cdbea32/50Readthepassageandchosethebestanswer.B3√√√√33/50Readthepassageandchosethebestanswer.B3√√√√34/50Readthepassageandanswer:Whatwilllifebelike?Transportatpresent2100Howdowegetthere?Howlongdoesittake?Howwillwegetthere?Howlongwillittake?35/50FoodWhatwillweeatonMars?GravityWillitbeabigproblem?Whyisitabigproblem?Whyisitverydangerous?Topreventthis,whatshouldpeopledo?36/50educationWhatkindofschoolwillstudentsstudyin?Whatdotheycalltheirteachers?37/50Completethislist.Usetheinformationfromthearticleonpages52and53.B438/501.By2100,peoplemightliveonMars.2.Marsisbecomingcrowdedandpolluted.3.Now,ittakesmonthsforaspacecrafttotravelfromearthtoMars.4.PeoplearenotsurewhethertherewouldbeeonghwaterofoxygenonMars.TFTTEarth39/50.Marshasone-eighththegravityofEarth..PeoplewillhavelessspaceonMars..Studentswillgotoschoolbyspacecraft..Peoplemighthavetodohouseworkbythemselves.FFFFthree-eighthsmorestudyinonlineschool.don’thavetodo40/50Readthepassagecarefullyandcompletethelist.

lifeontheEarthtoday

lifeonMarsin21001.Itispollutedandcrowded.Itwouldbecleanandhavelotsofspace.2.Spacecraftareslow.3.Thereisenoughwaterandoxygen.Spacecraftwouldtravelatthespeedoflight.Theremight/would

notbeenoughwaterandoxygen.41/50LifeontheEarthtoday

lifeonMarsin21004.Therearemanykindsoftastyfood.5.Gravityisnotaproblemforus.6.Manypeopleliveinsmallflats.7.Peoplehavelittletimetorelax.8.Studentsstudyatrealschools.Foodwouldmostprobablybeintheformofpillsandwouldnotbesotasty.Peoplewouldhavetowearspecialboots.Peoplemightliveinhouseswithhugecomfortablerooms.Peoplecouldhavemoretimetorelax.Studentswouldstudyatonlineschools.42/50Fillintheblanks.TheEarthisbecomingmoreandmorecrowdedandpolluted_________the_____________inpopulation.Itishopedthatpeoplecouldstart____________onMars.Hereiswhatlifetherecouldbe.__________2100,thejourneytoMarsmightonlytakeabout20minutesinspacecraftthattravel_____________light!Andfoodwouldmostprobablybe____________pillsandwouldnotbeso______.rapidincreasebecauseofalloveragainBytheyearatthespeedofintheformoftasty43/50Peoplewouldhaveto_______bootsthatarespeciallydesignedtopreventthemselves________________(floatoff)intospace.Atthesametime,peopleonMarswouldhavemorespace.Theymightliveinhouseswithhugecomfortablerooms.Also,robotswoulddomostoftheirwork_______theycouldhavemoretimetorelax.LifeonMarswouldbeinteresting__________challenging.fromfloatingoffsothataswellaswear44/50AdvantagesoflivingonMarsIt’snot_________or________.The________ismoreconvenient.Peoplewillwearspecial_____Peoplewillhave______space.______willdomostofourwork.We’llhavemoretimefor_______.Studentswillstudyin______schools.

crowded

polluted

transport

boots.

moreRobots

hobbies

online45/50DisadvantagesoflivingonMarsLow_______willbedangerous.Fooddoesnottaste_____.Spacetravelmakepeoplefeel________.It’stoo________tostayoutside.It’stoo______awayfromfriendsonEarth.gravitygood

ill/sick

cold

far46/50I.用括号内所给词适当形式填空。

Thereislessair________(pollute)intownthatinthecity.2.LookatthenewestT-shirt.It’smadeofcotton.Ithinkitwillbecome__________(fashion