Unit1LifeonMars教案1Word文件下载.docx
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pollutedadapollutedriverpollutev.Don’tpollutetheriverpollutionn.不可数名词ater/air/noisepollution
developv.groandiproveHohasitdeveloped?
developingad发展中的chinaisadevelopingcountr
developedad发达的Aericaisadevelopedcountry.
developentnTherehavebeenseveralnedevelopentsinelectronics.
populationn.hat’sthepopulationofchina?
=Hoanypeoplearethereinchina?
discussionn.Theprograestartedithadiscussionabouttheproble.
discussvt.shallediscusstheatterlatter?
dryv.烘干Pleasedrytheseclothes.
ad干燥的Insueritisverydry.
driedadj,干的,干缩的Driedfoodcanbestoredforanyonths.
iaginev.后接名词或代词youcan’tiaginetheirords.
后跟动名词Trytobeiaginebeingontheoon.
后跟从句Don’tiaginethatyouaretheonlypersonintrouble.
0.tastelin.vThesedupingstastegood
n.Doyouhaveatasteofthisgreentea?
1.huan/people/person
huan主要指“人类,人”;
people意为“人们”,着重指全体,是单数形式,但表达复数概念,等于enandoen;
person也可以作“人,人们”着重指个人方面,可以说topersonshuan--huans
certainadbecertainofsth,/doingsth.
sureadcertain与sure的含义和用法大致相同,但certain侧重于表示有确定依据或事实,语气比sure强,多作表语,主语可以是物也可以是人;
sure多指主观上相信某人或确定某事,主语一般是人.
Itiscertainthatnobodyliesaiting.
Areyousureyouborroedtheboofrothelibrary?
3.parevt.pareAithB;
pareAandB
eg.ecarefullyparethefirstreportiththesecond.
Itisinterestingtoparetheirheightandoureight/
crodedad可以作定语也可以作表语,意为“挤满的,拥挤的”常用结构是becrodedithsth.
ThisistheostcrodedstreetinShanghai.
Thebusiscrodedithpeoplehogotoor.
anuberof,thenuberof的区别
anuberof=nubersof+可数名词的复数+动词形式为复数
AnuberofvisitorsetoSuzhoueveryday.
thenuberof+名词的复数+动词的三单意思是“……的总和数量
Thenuberofthestudentsinourclassis65.
athalfthespeedoflight以光速的一半,at
Eg:
Thecarisrunningat80iloetresanhour.
Iboughtitataloprice.
three-eighths八分之三,在分数词的表述中,记住口诀“分子基数词分母序数词,分子大于1,分母加s”。
如:
1/3onethird5/6fivesixths
Eg:
Tothirdsofthestudentsinourclassareboys.
every和each的共同点和不同点
every和each后加单数名词,动词用第三人称单数形式。
Eachoftheboysinclass2hasboughttheboo.
Everystudentislisteningtotheteachercarefully.
each是一定数目中的每一个,强调“个别”“各有不同”,each是代词,可以和of连用。
every只数目不确定中许多人或物中间的“每一个”,强调“总和”更强调“大家一致”。
every后不可以跟of
二.重点短语
becaredforby2.beabletotravelinspace
earspaceheletstogooutside4.intheforofpills
aepeoplefeelveryill6.liveonotherplanets
ovetoars8.attheoent
beeoreandorecroded10.buildabetterorld
1.tooslotocarrylargenubersofpeople12.travelathalfthespeedoflight
3.needfood,aterandairtosurvive14.three-eighthsofthegravityonEarths
floataayintospace16.prevent/eep/stopsbfrodoing
earspecialbootstoaetheselvesheavier18.paredithlifeonars
haveorespace20.liveinadoeithtenbedroos
1.doostofouror22.taeexasatonlineschools
3.havetheirononlineteacher24.insoeays
underthecontroloftheputer26thefirsttoliveon..ars
aefriendsithpeopleholivethere28.taehigh-qualityiages
provideenergyforthespacesuit30travelfroarstoEarth
sendaspacerobotontoars32.iaginedoingsth.
3.sofaraayfroEarth34.issthefirstpart
startithadiscussion36.bedifferentfrothesituation
orryaboutlivingthere38.beafraidofseeingaliens
eeptheseanialsaayithlaserlight40.dohartothe
1.bestoredatthePlanetarsBan42.gosoeherequiet
3buyacarhichfloatsintheair44.havearest
helpeaeSandycaldon46.toonervoustorelax
sitbytheindo48checyourhoeor49.orhardtoaethisdreaetrue50.onthesurfaceof
三.重点句型
Hodoyoulielifeonars?
=hatdoyouthinoflifeonars?
Ithoughtyouliedars.我原以为你喜欢火星。
Danielisthiningabouthatlifeillbelieinthefuture.
Itaybedifficulttoiagine.
ourplanet,Earth,isbeingoreandorecrodedandpolluted.
Atpresent,ourspacecraftaretooslolytocarrylargenubersofpeopletoars—ittaesonths.
By2100,thejourneyighttaeonlyaveryshorttieinspaceshuttles
Huansneedfood,aterandairtosurvive.
Hoever,itisnotsureiftheseplantscouldproduceater.
0.Thegravityonarsisonlyaboutthree-eighthsofthegravityonEarth.
★11.Thereillbeanydifferentdesignsforsettlerstochoosefro.
Everystudentillhaveaputerathoe
3.Iaonderingif/hetherthereillbeanypeopleillingtoovetoars.
ecouldgetillfrolivingthere.
50%ofthestudentsouldlietooveoutofEarth.
Itorriese.
★17.Itouldbegreattohaverobotsdoalltheorforus.
Ittaesarsabouttoyearstorevolvepletelyaroundthesun.
ThesurfaceofarsisoreliethesurfaceofEarththananyotherplanetinoursolarsyste.
0.Averypopularforofentertainentisonlinegaes.
1.ThingsfroEartharehardtofind.=ItishardtofindthingfroEarth.
2.She’stoonervoustorelax.
3.Robotscouldbethefirsttoliveonars.机器人可能是批生活在火星上的。
eillbecaredforbyrobots.
Foodillbeintheforofpills.
四.语法知识
一.“ust,can/could,ay/ight+动词原形”常用来表示对现在或将来发生情况的推测。
①ust只用于肯定句中,表示“一定、肯定”。
其否定ustn’t表“不准、禁止、不可以”等。
如:
Henevertaesataxi.Heustbeverypoor.
Ithoughtyouustliesoethingtoread,soIhavebroughtyousoeboos.
我想你一定喜欢看点东西,所以我带来了些书。