unit8focusonglobalwarming答案综合教程二.docx

unit8focusonglobalwarming答案综合教程二.docx

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unit8focusonglobalwarming答案综合教程二

Unit8FocusonGlobalWarming

KeytotheExercises

Textcomprehension

I.

A

II.

1.T;2.T;3.F;4.F;5.F.

III.

1.Paragraph2.Becauseglobalwarmingmaybethesinglelargestthreattoourplanet（theearth）.Low-lyingnationscouldbeawashinseawater,rainanddroughtpatternsacrosstheworldcouldchange,hurricanescouldbecomemorefrequent,andElNinoscouldbecomemoreintense.

2.Paragraph3.Ourfactories,powerplants,andcarsburncoalandgasolineandspitoutcarbondioxide,producemethanebyallowingourtrashtodecomposeinlandfillsandbybreedinglargeherdsofmethane-belchingcattle,andreleasenitrogenoxidebyusingnitrogen-basedfertilizers.

3.Paragraph4.TheincreasedconcentrationsofgreenhousegasespreventadditionalthermalradiationfromleavingtheEarth,socausetheglobalwarming.

4.Paragraph7.Aslightincreaseinheatandraininequatorialregionswouldincreasevector-bornediseasessuchasmalaria;moreintenserainsandhurricanescouldcausemoreseverefloodingandmoredeathsincoastalregionsandalongriverbeds;evenamoderateriseinsealevelcouldthreatenthelow-lyingislands;hottersummerscouldleadtomorecasesofheatstroke,hospitaladmissionsanddeathsamongvulnerablepeoplewithheartproblemsorrespiratoryproblems.

5.Paragraph8and10.Wecancurbourconsumptionoffossilfuelsandusetechnologiestoreducetheemissionofheat-trappinggaseslikecarbondioxide,methane,andnitrousoxides,andprotecttheforestsintheworld,andwecanalsoadvocatepoliciesthatwillcombatglobalwarmingoverthelongterm,thingslikecleancars,environmentallyresponsiblerenewableenergytechnologies,andstoppingtheclear-cuttingofvaluableforests.

IV.

1.GlobalwarmingwillprobablybethemostseriousthreattoourEarth,ifwedonottakeintoaccountofsomeotherpossibledisasters,suchasanotherworldwar,collisionofourEarthwithsomesmallorbitingplanet,orspreadofincurablediseases.

2.Intermsofhumanhealth,thepeopleofthepoorercountrieswillsuffermost,becausetheircountriesdonothavemoneytoprotectthemwhenclimatechanges.

Structuralanalysis

Sub-ideasinthesecondpart:

1）thecausesoftherisingconcentrationofgreenhousegasesintheatmosphere（Paragraphs3and4）

2）theeffectofsuchconcentrationonclimatechange（Paragraphs5and6）

3）thepotentialthreatofglobalwarmingtohumanhealthandsurvival（Paragraph7）

Vocabulary

I.Phrase

1.withtheexceptionof:

except,apartfrom除……之外，不包括……在内

2.Inessence=essentially,basically本质上，根本上

3.whereverpossible:

wheneveritispossible只要可能

4.overthelongterm:

overalongperiod从长远看

5.alternative=substitutable,different,replaceable

II.

1.focus;2.muchthesame;3.consciousness;4.threat;

5.deserved;6.decomposed;7.revealed;8.frequent.

III.Wordderivation

Fillintheblankswiththeappropriateformsofthegivenwords.

1.perusal2.intensified3.excessive4.speculative

5.abundance6.inclusive7.emits8.locally

IV.

1.A;2.D;3.B;4.C;

5.D;6.A;7.C;8.A.

V.Synonym/Antonym

Giveasynonymoranantonymofthewordunderlinedineachsentenceinthesenseitisused.

1.Synonym:

mainly,basically,firstly

2.Antonym:

unfortunately,unluckily

3.Antonym:

exclude

4.Synonym:

part,division

5.Antonym:

decrease,lowering

6.Antonym:

unavailable

7.Synonym:

weak,insecure,unsafe

8.Antonym:

irresponsible

VI.Prefix

Writeineachspaceonewordthathasthesameprefixasunderlinedineachgivenword.

1.centigradecentimeter

2.kilogramkilometer

3.synopsissynthetic

4.supervisesuperior

5.submarinesubmerge

6.astronautastronomy

7.microbiologymicrowave

8.overworkoverload

GrammarExercises

I.Completethefollowingsentencesusingtheappropriateverbforms.

1.began//havehad

2.A:

Havehasinvented

4.havehavebeen

6.hasgot（gotten）

7.hasbeen

8.haveforgotten

9.B:

hasgone

B:

Abouttenminutesago.

10.was

III.

1.a.simplepresentform;b.“hasobtained”.

2.synonymousa.thespeaker’spointofview;b.thelistener’sperspective.

3.a.definite;b.indefinite

4.a.stillsuffering;b.past

5.a.onthewayorinItaly;b.leftItaly.

6.a.inthemorning;b.afterthemorning

7.a.todayisnotfinishedandhemaydrinkmore;b.simplyhappenedtoday.

8.a.passedaway;b.stillliving.

IV.

1.havehad–have

2.havebeen–be

3.laying–lying

4.bore–bear

5.Rang–Rung

6.rised–risen

7.had–has

V.Fillintheblankswithbecause,as,since,seeingthat,fororbecauseof.

1.As/Since

2.because/as

3.As/Since/Seeingthat

4.because

5.becauseof

6.As/Since

7.for

8.as/because

9.becauseof

10.for

Translationexercises

I.

1.到因特网上查一查就可以证明，全球变暖这个主题在公众意识中已经和麦当娜和微波炉一样根深蒂固了。

2.如果