懂你英语L3U3Word文档格式.docx

懂你英语L3U3Word文档格式.docx

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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

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.

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

1.Doyouknowwhatdayitistoday?

2.Whatdoyourmean?

Isitaspecialday?

3.Oh,soyoudon’tremember?

4.Rememberwhat?

What’sthespecial?

5.It’souranniversary.

6.Westarteddatingayearagotoday.

7.Oh,really?

I’msorry.

1.Justaminute,whatdoyouthinkthisis?

2.Oh,it’sanecklace.

3.Doyoulikeit?

4.Yes,Ido.It’slovely,especiallythereadheart.

5.MayIputiton?

6.No,letmedoit.

1.So,youdidremember.

2.Ofcourse,Irememberit.

3.It’saveryspecialdayforbothofus.

4.Ihavesomethingforyoutoo.

5.Youdo?

6.Yes,butitwillhavetowaituntillater.

7.Oh,Ican’twait,tellmewhatitis.

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?

1.That’srestaurantlooksnice.

2.Yes,butitlooksexpensive.

3.Let’sgoinandlookatthemenu.

4.Wow,themenulooksgreat,especiallythefish.

5.Yes,itlooksgood,butlookatthoseprices.

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

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）

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.

1.60%ofthecompany’semployeesworkfromtheirhomes.

2.Whenacustomercallsintothecentraloffice,aserviceemployeeiscontacted.

3.Theserviceemployeethencontactsthecustomerandsetsupanappointment.

4.Theseserviceemployeesarehighlytrainedandprovideexcellentservice.

5.Inemergencies,suchasaseriousplumbingproblem,servicecanbeprovidedwithinanhour.

6.Onereasonforthisisthattheserviceemployeesliveindifferentpartsofthecity.

7.Theyarenotcentrallylocated,soit’squickerandeasierforthemtotraveltoacustomer’shome.

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.

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

1.Thecompanyprovidesarangeofserviceplanseachwithadifferentsu