懂你英语L3U3.docx
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懂你英语L3U3
L3——U3——1/4listening
Lifeonearth/humanbeing
A
1.Therearemanyformsoflifeonearthincludinghumanbeings.
2.Lifeexistinavarietyofconditions.
3.Someformsoflifeliveinawateryenvironment,liketheoceans.
4.Otherformsoflifecanbefoundinverydryareaslikedeserts.
5.Howeverforanyformoflifetoexist,conditionsmustberight.
6.Whenconditionsaren’tright,thatformoflifewillbecomeextinct（灭绝）.
7.Tobecomeextinctmeanstodieoutcompletely.
B
1.Conditionsmustberightforlifetoexist.
2.Millionsofyearsago,therewereformsoflifethatnolongerexist.
3.Whenconditionschanges,theseformsoflifediedout.
4.Oneextinctioneventhappenedabout250millionyearsago.
5.Thiswasthelargestextinctioneventofalltime.
6.Manyformsoflifebecameextinct.
7.96%ofalllifeintheoceansdiedout.
8.Mostinsectalsobecameextinct.
9.Thiseventhappenedoveraperiodofseveralmillionyears.
C
1.Thecausesofthisextinctionseventarestillunknow.
2.Possiblecauseincludeslargevolcaniceruptionsandglobalwarming.
3.Somescientistsbelievethattherewereseveralcauses.
4.Theybelievethataseriesofeventscausedtheextinctions.
5.Sciencesareworkingtobetterunderstandwhatreallyhappened.
D
1.Inmoderntimes,wehumansfacechangingconditions.
2.Forhumanstoliveweneedcleanairandcleanwater.
3.Pollutionsisnowagrowingproblemaroundtheworld.
4.Pollutionpoisons（毒药，污染）theairandwaterthatwedependon.
5.Pollutedairmakespeoplesickandafraidtogooutside.
6.Pollutedwaterpoisonsourfoodsupply.
7.Asaresult,weneverknowwhichfoodsaresafetoeat.
8.Humanbeingcannotliveinapoisonedenvironment.
9.Therefore,pollutionismajorthreattoourexitance.
E
1.Humansneedtemperaturetobeinacomfortablerange.
2.Tobeinacomfortablerangemeanstobeneithertoohotnortoocold.
3.Withglobalwarmingglobaltemperaturesarerising.
4.Astemperaturesrise,thepolaricecapswillmelt.
5.Asthepolaricecapsmelt,oceanlevelswillrise.
6.Areasofsomecountrieswillsoonbeunderwater.
7.Peoplewillbeforcedtorelocatefromfloodareas.
F
1.Innature,evensmallchangescansometimehavelargeeffects.
2.It’sdifficulttopredict（预测）what’sgoingtohappen.
3.Theentireecosystem（生态系统）thatwedependedonischanging.
4.Someofthesechangesareirreversible（不可逆转的）.
5.Irreversiblechangescannotbeundonebecausetheycannotbereversed.
G
1.Let’shopesthathumansaresmartsenoughtounderstandhowtheworldischanging.
2.Withmoreunderstandingwecanmakebetterchoicesaboutwhattodo.
3.Wecanfacethechallengesofpollutionincludestheglobalwarming.
4.Weneedtodothisbeforeit’stoolate.
5.ThisplanetEarthisouronlyhome,andweneedtoprotectit.
6.（读或听）：
Weneedtoprotecttheenvironmentthatsupportus.
L3——U3——1/4vacabulary
Animal/appliances
A
1.Mammalsarecoveredbyhairorfurhaveabackbone（脊椎）andarewarm-blooded.
2.Allfemalemammalsproducemilkfortheiryoung.
3.Reptilesarecoveredbyscalesanditincludessnatch,lizards（蜥蜴）andturtles.
4.Reptiles（爬行动物）haveabackboneandarecold-bloodedwhichmeanstheyoftenrelyonexternalsourcesofheat.
5.Birdsarecoveredbyfeathersandarewarm-blooded.
6.Mostbirdscanflyandmanytypesofbirdsmigrate（迁移，移动）greatdistances.
7.Mostinsectssuchasantsandbeeshaveasmall3-partbodywith3pairoflegs.
8.Someinsectlikemosquitoes（蚊子），spreaddiseasesthatcausethedeaths（死，毁灭）ofmanyhumans.
9.Unlikeanimals,plantsgettheenergythattheyneedfromthesun.
10.Plantsconvertlightenergyalongwithcarbondioxideinthewaterintochemicalenergy.
11.（听）mammalsincludesomeofthemostintelligentanimalsonearth,suchaselephantsandhumanbeings.
12.（听）mosquitoescausethedeathsofmorehumansthananyotheranimal.
13.（听）someinsectsspreaddiseasesthatcausethedeathsofmanyhumans.
14.（听）cold-bloodedanimaloftenrelyonexternalsourcesofheat.
15.（听）mostmammalsliveonland,butsomeliveinthesea.
16.（听）insectssuchasantsandbeesliveinwell-organizedcolonies.
17.（听）insectsdon’thavebackbone,andmostarecold-blooded.
B
1.Scalesandrulersareusedtomeasureweightandlength.
2.Unitsofweightincludekilogramsandpoundsandunitsoflengthincludecentimeterandinches.
3.Theseinstrumentsareusedtoverylargeandverysmallobjects.
4.Telescopes（望远镜）areusedbyastronomersandmicroscopes（显微镜）areusedbybiologistsanddoctors.
5.Theseappliancesareusedinthekitchensofalmosteveryhome.
6.Stovesareusedtoheatfoodandrefrigeratorareusedtokeepfoodscoolorcold.
7.Householdtoolsliketheseareusedtobuildandrepairthings.
8.Hammersareusedtopoundinnailsandscrewdriversareusedtoturnascrew.
9.（听）wecanusedatelescopetoseeobjectthatarefaraway.
10.（听）ifyouneedtopoundinanail,useahammer.
11.（读）Twoinchesisalittlemorethanfivecentimeters.
12.（听）Rulersareusedtomeasurelength.
L3-U3-1/4dialogue
Anniversary/expensivefood
A
1.Doyouknowwhatdayitistoday?
2.Whatdoyourmean?
Isitaspecialday?
3.Oh,soyoudon’tremember?
4.Rememberwhat?
What’sthespecial?
5.It’souranniversary.
6.Westarteddatingayearagotoday.
7.Oh,really?
I’msorry.
B
1.Justaminute,whatdoyouthinkthisis?
2.Oh,it’sanecklace.
3.Doyoulikeit?
4.Yes,Ido.It’slovely,especiallythereadheart.
5.MayIputiton?
6.No,letmedoit.
C
1.So,youdidremember.
2.Ofcourse,Irememberit.
3.It’saveryspecialdayforbothofus.
4.Ihavesomethingforyoutoo.
5.Youdo?
6.Yes,butitwillhavetowaituntillater.
7.Oh,Ican’twait,tellmewhatitis.
D
1.Canyouguesswhatitis?
2.Couldyougivemeahint?
3.Wewenttheresixmonthsago.
4.Oh,youmetknowAlfredo’s
5.Yes,areyouexcited?
6.Yousaidyoureallylikethefoodthere.
7.Yes,that’strue.
8.Ialsorememberthatthedessert.
9.Doyou?
10.Yes,but,let’snottalkaboutthat.
11.Let’snowinsurprised.
练：
1.Shewon’tgivehimhergiftuntillater.
2.Theyaren’tgoingtotalkaboutthedessert.
3.Herememberedthattodayistheiranniversary.
4.Doyouknowwhattodayis?
E
1.That’srestaurantlooksnice.
2.Yes,butitlooksexpensive.
3.Let’sgoinandlookatthemenu.
4.Wow,themenulooksgreat,especiallythefish.
5.Yes,itlooksgood,butlookatthoseprices.
F
1.Let’strysomewhereelse.
2.Sometimesit’soktospendalittlemoney.
3.Yes,butthesepricesareabittoohigh,don’tyouthink?
4.Yes,theyareabithigh.
5.Butdon’tyouthinkI’mworthit?
Let’senjoyourselves.
6.Uh,ok,ifyouputitthatway.
7.Let’sseeifwecangetatable.
8.I’mgladyouhaveyourcreditcard.
9.Isurehopethefoodisgood.
10.Stopworrying,let’sjustenjoy.
练
1.heisworriedaboutspendingsomuchmoney.
2.Shelikesthefoodchoices,especiallythefish.
L3——U3——2/4listening
QuickServe
A
1.QuickServeisahomerepaircompany.
2.Itprovidesquickreliablerepairservicestohomes.
3.QuickServehandlesplumbingandelectricalissues24hoursaday.
4.Italsocleanstheroofs,fixesinternetconnectionsandreplacesbrokenwindows.
5.Forasmallfee,customerssubscribe（订阅）totheservice.
6.Itsmaincustomersaretheelderly,whichmeansolderpeople.
7.Whenevercustomershaveaproblem,theycancallforhelp.
8.Thereisalsoasmallservicechargeforeachservicecall.（对于每一个服务呼叫也有少量的服务费用）
B
1.Thecompanywasestablished5yearsago,andisgrowingrapidly.
2.Itstartedinonecity,butisnowinfivecities.
3.Thecompanyplanstoexpandto10citieswithinthenext24months.
4.Ineachcity,thereisasmallcentralofficeinalow-rentareaofthecity.
5.Thecentralofficehandlesthebusiness,advertising,payroll（工资单）andbilling.
6.Italsotakescallsfromcustomers,eitheronlineorbytelephone.
7.Ittakescalls24hoursaday,sevendaysaweek.
C
1.60%ofthecompany’semployeesworkfromtheirhomes.
2.Whenacustomercallsintothecentraloffice,aserviceemployeeiscontacted.
3.Theserviceemployeethencontactsthecustomerandsetsupanappointment.
4.Theseserviceemployeesarehighlytrainedandprovideexcellentservice.
5.Inemergencies,suchasaseriousplumbingproblem,servicecanbeprovidedwithinanhour.
6.Onereasonforthisisthattheserviceemployeesliveindifferentpartsofthecity.
7.Theyarenotcentrallylocated,soit’squickerandeasierforthemtotraveltoacustomer’shome.
D
1.QuickServehasanexcellentreputation（名声，名誉）
2.Itspricesarereasonableanditsservicesarequickandefficient（有效率的）.
3.Thecompany’sserviceemployeesareclean,politeandefficient（有效率的）.
4.Inthistypeofbusiness,persontopersoncontactisthekeytosuccess.
5.Witheachsatisfiedcustomers,morecustomerssubscribe（签署）.
6.SatisfiedcustomersrecommendQuickservetotheirfriends.
7.Thiskindsofword-ofmouth（口口相传）advertisingisverycosteffective.
8.Costeffective（有效的）meansthattheresultsaregoodwithoutpayingahighprice.
9.Inotherwords,qualityserviceprovidesitsownrewardtothecompany.
E
1.Thecompanytakesgreatpride（自豪的）inbeinghonestwithitscustomers.
2.Therearenohiddenchargesfortheirservices.
3.Asaresult,thenumberofcustomersineachcityisgrowingrapidly.
4.Withtheagingpopulation,therearemoreelderpeoplewhoneedhomerepairservices.
5.Thesepeopleneedtohaveconfidenceintheserviceprovider.
6.Theydon’twanttobecheated（欺诈）.
7.Thesepeopledon’tmindpayingareasonablefeeforhighqualityservice.
8.Highqualityserviceshouldberewarded.
9.（听）Customersneverwanttobecheated
F
1.Thecompanyprovidesarangeofserviceplanseachwithadifferentsu
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