牛津譯林版九年級(jí)英語下冊(cè)Unit4LifeonMarsReading掌握本課節(jié)新單詞及短語：planet,polluted,rapid,increase,passenger,uncomfortable,tasty,specially,compare,rapidly,(all)overagain,ata/thespeedof,intheformof,compareto/with1學(xué)習(xí)目標(biāo)3識(shí)別和理解有關(guān)火星生活的詞匯；了解未來在另一個(gè)行星上生活的語境；2識(shí)別并列出地球生活與火星生活的不同之處。4ReadingUnit4LifeonMars

Mars火星aredplanet(行星）課堂導(dǎo)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?；卮鹣铝袉栴}。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.

閱讀訓(xùn)練1.閱讀教材Reading部分短文1~2段，回答問題。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.閱讀短文3~6段，完成下面表格。SomethingonMarsWater，oxygenandfoodNobodyknowswhethertherewouldbe①

enough

?wateroroxygen；Foodwouldprobablybeintheformofpills，andwouldn’tbe②

tasty

?.

enoughtastynocomputerJourneyAtpresentBytheyear2100

VS.tooslowtocarry...monthsatthespeedoflight

about20minsCareful-reading[?p?s?nd??]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、three-eighthsnum.八分之三1）three-eighths意為“八分之三”。英語中分?jǐn)?shù)的表達(dá)法：分子用基數(shù)詞，分母用序數(shù)詞；

注意：①“幾分之一”分子除用one外，也可用a。2）分子大于1時(shí)，分母變?yōu)閺?fù)數(shù)形式；分子與分母之間可加連字符，也可不加。two-thirds

三分之二four-fifths

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

和threequarters表示。3）分?jǐn)?shù)后面常跟of短語，作主語時(shí)，謂語動(dòng)詞的單復(fù)數(shù)和of后面名詞的單復(fù)數(shù)保持一致。Three-fourthsofthelandiscoveredbyforestsinthatcountry.hugeroomsmorespacerobotsrelaxPara5Housesa__________dvantages1、insomeways在某些方面；在某種程度上含有way的常用短語：bytheway順便提一下；順便問一下findone's/theway(to)找到……的路loseone'sway迷路onthe/one'sway(to)在去……的路上innoway一點(diǎn)兒也不，決不intheway擋道；妨礙別人Everystudentwouldhaveac________athomeconnectedtoani____________network.Theywouldstudyato____schoolswithe-teachers.

omputernterplanetarynlinePara6intermeansbetweenStudyatarealschoolontheEarthatonlineschoolsonMarsIprefertostudyat…because…Para6Study2.LifeonMarswouldbeinterestingaswellaschallenging.火星上的生活，不僅有挑戰(zhàn)性，