Unit4LifeonMarsReading课件牛津译林版九年级英语下册

牛津译林版九年级英语下册Unit4LifeonMarsReading掌握本课节新单词及短语：planet,polluted,rapid,increase,passenger,uncomfortable,tasty,specially,compare,rapidly,(all)overagain,ata/thespeedof,intheformof,compareto/with1学习目标3识别和理解有关火星生活的词汇；了解未来在另一个行星上生活的语境；2识别并列出地球生活与火星生活的不同之处。4ReadingUnit4LifeonMars

Mars火星aredplanet(行星）课堂导入FastReadingDividethetextintofourpartsandwritethemainideaofeachpart.Part1Part2Part3Part4Paragraph1Paragraphs2-4Paragraphs5-6Paragraph7WhypeoplemovetoMarsDisadvantagesoflifeonMarsAdvantagesoflifeonMarsConclusion1.crowded2.rapid3.population4.alloveragain5.passenger6.tastya.foronepurposeb.asecondtimefromthebeginningc.decideinwhatwaythingsaresimilarordifferentd.havinganicetastee.fullofpeoplef.happeninginashortperiodoftimeg.apersonwhoridesinacar,bus,train,etc.butdoesnotdriveith.thetotalnumberofpeopleinanarea,acountry,etc.PracticeReadthepassage,matchthewordsontheleftwiththemeaningsontheright.

7.specially8pareReadParagraphs3-4anddosomeTorFexercises.1.Humansneedfood,waterandoxygentosurvive.2.Mealswillprobablybeintheformofpillsandwillbeastastyastheyaretoday.3.MarshasthreestimesthegravityofEarth.4.Peoplewouldhavetowearspecialbootstopreventthemselvesfromfloatingoffintospace.TFFTReadPara.2andfillintheblanks.atpresentbytheyear2100Theyare________andittakes________toflytoMars.tooslowmonthsTheywouldtravelat_______________anditmighttake_________________.thespeedoflightonly20minutesReadParagraphs5-6andfillintheblanks.1.Peoplewillhave________space.2.________willdomostofourwork.3.We’llhavemoretimeto________.4.Studentswillstudyat________schools.moreRobotsrelaxonlineCarefulReading1.WhencouldweliveontheplanetMars2.WhydoweneedtomovetoMarsReadPara.1andanswerthequestionsbelow.Bytheyear2100.Becauseourownplanet,theEarth,isbecomingmoreandmorecrowdedandpolluted.ReadPara.7andanswerthequestionbelow.HowdoesthewriterfindthelifeonMarsHethinksitwouldbeinterestingaswellaschallenging.一、想一想。回答下列问题。1.Is

the

Earth

becoming

more

and

more

crowded？Yes，

it

is.2.IstherewaterandoxygenonMars？Yes，

but

a

little.3.IsthegravityofMarslessthanthatoftheEarth？Yes，

it

is.Yes，

it

is.Yes，

but

a

little.Yes，

it

is.

阅读训练1.阅读教材Reading部分短文1~2段，回答问题。①WhydopeopleneedtomovetoMars？Because

the

Earth

is

becoming

more

and

more

crowded

and

polluted.②HowlongdoesittakepeopletoflytoMarsbyspacecraftatpresent？It

would

take

months.Because

the

Earth

is

becoming

more

and

more

crowded

and

polluted.It

would

take

months.③HowlongwillittakepeopletoflytoMarsbyspacecraftbytheyearof2100？It

might

take

about

20

minutes.It

might

take

about

20

minutes.2.阅读短文3~6段，完成下面表格。SomethingonMarsWater，oxygenandfoodNobodyknowswhethertherewouldbe①

enough

⁠wateroroxygen；Foodwouldprobablybeintheformofpills，andwouldn’tbe②

tasty

⁠.

enoughtastynocomputerJourneyAtpresentBytheyear2100

VS.tooslowtocarry...monthsatthespeedoflight

about20minsCareful-reading[ˈpæsɪndʒə]乘客

problemsfoodwaternottastyoxygenPara3intheformofpillsunsureSomethingonMarsGravityThegravityonMarsis③

three－eighths

⁠ofthatontheEarth；Peoplewouldhavetowearspecial④

boots

⁠topreventfrom⑤

floating

⁠away.

HouseorroomRoomswouldbe⑥

huge

⁠and⑦

comfortable

⁠；

⑧

Robots

⁠woulddomostofthework.

SchoolTherewouldprobablybe⑨

no

⁠schools；Everystudentwouldhavea⑩

computer

⁠tostudyatonlineschools.

three－eighthsbootsfloatinghugecomfortableRobotsnocomputer

Ifanelephantweighs64kgontheEarth,howmuchdoesitweighonMarsA.24kgB.34kgC.32kgpayattentiontopronouns.Para4gravity1、three­eighthsnum.八分之三1）three­eighths意为“八分之三”。英语中分数的表达法：分子用基数词，分母用序数词；

注意：①“几分之一”分子除用one外，也可用a。2）分子大于1时，分母变为复数形式；分子与分母之间可加连字符，也可不加。two­thirds

三分之二four­fifths

五分之四但是，1/2不能说a(one)second,而要说a(one)half。1/4和3/4可以说a(one)fourth和threefourths,但常用aquarter

和threequarters表示。3）分数后面常跟of短语，作主语时，谓语动词的单复数和of后面名词的单复数保持一致。Three­fourthsofthelandiscoveredbyforestsinthatcountry.hugeroomsmorespacerobotsrelaxPara5Housesa__________dvantages1、insomeways在某些方面；在某种程度上含有way的常用短语：bytheway顺便提一下；顺便问一下findone's/theway(to)找到……的路loseone'sway迷路onthe/one'sway(to)在去……的路上innoway一点儿也不，决不intheway挡道；妨碍别人Everystudentwouldhaveac________athomeconnectedtoani____________network.Theywouldstudyato____schoolswithe-teachers.

omputernterplanetarynlinePara6intermeansbetweenStudyatarealschoolontheEarthatonlineschoolsonMarsIprefertostudyat…because…Para6Study2.LifeonMarswouldbeinterestingaswellaschallenging.火星上的生活，不仅有挑战性，