英语听力教程-第三册-答案Word文档格式.docx

英语听力教程-第三册-答案Word文档格式.docx

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1.burningoftheforests/treeremoval（deforestation）/reductionoftheworld’srainforests

2.globalwarming/greenhouseeffect/emissionsofCO2

PartII

ExerciseA

Listentothefirstpartofaninterview.Notedownthekeywordsinthenotescolumn.Thenanswerthequestions.

Key:

1.Morepeople morefirewood fewertrees

Moredomesticanimal moreplants feweravailableplantsmoredesert movesouth desertexpandingsouth nograss

2.Growingcropsstabilizesoil,withoutthemthetopsoiljustblowsaway.Butifthereisn’tenoughrainthecropsdon’tgrow.

3.Peopletrytogrowfoodtosupportthemselvesorthecreaterancheswherecattlecanberaised,ortogethardwoodforexport,ortomakewayforanironoremine.

Listentoamoreauthenticversionofthefirstpartoftheinterview.Completetheoutline.

Outline（I）

I.Environmentalproblemsindifferentcontinents

A.Africa

1.SaharaDesertexpansion

2.nograssforanimalstoeat（EastAfrica）

B.NorthAmerica&

mostofEurope

1.situation— intensivefarming/agriculture

2.potentialproblem—topsoilblowingaway

C.SouthAmerica,CentralAfrica&

SouthernAsia

1.problem—tropicalforestsdestruction

2.consequences

a.soil thin unproductive wasteland

b.animal/plantspeciesbecomingextinct

c.climatechangeforthewholeworld

PartIII

Listentothesecondinterview.Notedownthekeywordsinthenotescolumn.Thenanswerthequestions.

1.Treeswouldholdrainfallintheirroots.Whenforestsinthehigherup-riverhavebeendestroyed,alltherainthatfallsinthemonsoonseasonflowsstraightintotheriverandstartstheflooding.

2.Heimpliesthatsomenationalgovernmentsjustconsidertheresultsoftheirpoliciesinthenearfuture,orjustthinkasfaraheadasthenextelection.

Listentoamoreauthenticversionofthesecondinterview.Completetheoutline.

Outline（II）

II.Reasonsforsome“natural”disasters—mainlyman-made

A.floodinginBangladesh

B.floodinginSudan

III.Actiontobetaken

A.nationalgovernments—forward-looking

B.populationcontrol

C.stoppingusinghardwoodforfurnituremaking

D.educatingpeopletorealizetheconsequences

PartIV

Listentothematerial.Completetheoutline.

Outline

I.Warmingupoftheworld

A.averagetemperature

B.yearlyincrease

II.Causesofglobalwarming

III.Effectsofglobalwarming

A.greatchangesinrainfall

B.riseinthesealevel

C.reducedpotentialoffoodproduction

D.healthandsocialproblems

1.environmentalrefugees

2.changeofpatternsofdistributionofinsectsandinfectiveagents

3.changeofpatternsofheat-relatedfoodpoisoning,etc.

IV.Timetotakeaction

PartV

ExerciseC

NowlistentosomesimpletipstohelpyouSaveIt—saveenergy.Completethedo’sanddon’ts.

Do’s

Don’ts

lRough-dryyourtowelsandnylonthings l Don’t attempt to iron

everything.

lCutoutunnecessarylighting. l Don’tturntheironuptoohigh.

lDowithoutawall-fireifyoucan. l Don’tleavethekettletoboil

away.

lDe-frostthefridgeregularly. l Don’tfillthekettletothebrim

foronlyacupoftea.

lBeforeusingyourwashingmachine,wait l Don’tputhotfoodinthefridge.untilyou’veafullload.

lCookacompletemealintheovenand

SaveItontheringsandgrill.

Tapescript:

Don’tattempttoironeverything.Rough-dryyourtowelsandnylonthings.Trustthethermostatonyouriron—don’tturnituptoohigh.

Don’tleavethekettletoboilaway.Anydon’tfillittothebrimforonlyacupof

tea!

Cutoutunnecessarylighting.Everylittlehelps.SaveItonheating.Dowithoutawall-fireifyoucan.

Defrostthefridgeregularly.Icebuild-upwastesfuel.Don’tputhotfoodineither

—ifyoudo,thefridgehastoworkovertime.

Itmakesenergysensetowaituntilyou’veafullloadbeforeusingyourwashing