四级考试模拟试题第一套附答案Word文件下载.docx

四级考试模拟试题第一套附答案Word文件下载.docx

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Forthispart，youareallowed30minutestowriteacompositiononthetopic：

TheImportanceofkeepingAGoodMood.Youshouldwriteatleast120wordsaccordingtotheoutlinegivenbelowinChinese：

　　1.人们每天都生活在压力之下

　　2.所以说保持一个好的心情是十分重要的

　　3.我的观点和原因

PartIIReadingComprehension（SkimmingandScanning）（15minutes）

Inthispart，youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.

　　Forquestions1-7，mark

　　Y（forYES）ifthestatementagreeswiththeinformationgiveninthepassage;

　　N（forNO）ifthestatementcontradictstheinformationgiveninthepassage;

　　NG（forNOTGIVEN）iftheinformationisnotgiveninthepassage.

　　Forquestions8-10，completethesentenceswiththeinformationgiveninthepassage.

　　GulfWrackedByKatrina‘sLatestLegacy-Disease，Poisons，Mold

　　AmonthafterHurricaneKatrinatorethroughtheU.S.GulfCoast，medicalexpertsarenowstrugglingwiththelatestcrisisintheregion;

contamination（污染）。

　　KatrinaleftNewOrleansandothercommunitiestaintedwithoil，sewage，andpossiblypoisonsleachedfromfederaltoxicwastesites，theU.S.EnvironmentalProtectionAgency（EPA）says.

　　Thepollution，combinedwiththelackofregularmedicalservicesintheregion，hasraisedseriousquestionsaboutthesafetyofNewOrleansandothercoastaltownsaspeoplelongingforhomebegintogoback.

　　“Idon’tthinkNewOrleansissafeforpeopletoreturnto，fromapublichealthandenvironmentalhealthstandpoint，”saidMiriamAschkenasy，anenvironmentalhealthexpertworkingwithOxfamAmericaintheregion.

　　Muchofthecontaminationrestsinthebrown，filmysediment（沉淀物）leftbehindbyKatrina‘spollutedfloodwaters.

　　RecentEPAtestsofthesedimentconfirmedhighlevelsofE.colibacteria，oilandgaschemicals，andlead，aswellasvaryingquantitiesofarsenic.

　　Thehealthrisksposedbythesedimentareimmediate，expertssay，becausethesludge（淤泥）isnearlyimpossibleforreturningresidentstoavoid.InNewOrleans，itcoverseverysurfacethatwasflooded，fromcarsandnow-deadlawnstotheentirecontentsoffloodedhomes，stores，hospitals，andschools.

　　“Whenpeoplecomeback，theyareexposedtothesediment，”saidWilmaSubra，achemistfromNewIberia，Louisiana，whoisanalyzingthesediment.“It’sintheiryardsandhouses.”

　　OldPollutionResurfacing

　　PlaqueminesParish，aruralcountyonthepeninsulasouthofNewOrleans，isnowcoveredwithevenmoretoxicsedimentthanitwastwoweeksago，thankstoHurricaneRita.

　　“Sixinchesuptoonefoot（15to30centimeters）ofsludge，”Subrareported.

　　MuchofthesludgeinPlaqueminesistheproductofnearbybayousandbaybottoms，wheresedimentwasliftedupbyKatrina‘sandRita’sstormsurges.

　　Thesedimenthasbeenpollutedovertheyearswithindustrialchemicalsandheavymetals，saidSubra，whotestedthesedimentfortheSouthernMutualHelpAssociation，anonprofitorganizationinNewIberia，Louisiana.

　　“Thesewaterbodieshavereceivedindustrialwastesfordecades，”shesaid.“Thismaterialhastoxicchemicals，metals，andorganicpetrochemicals（石化产品）。

”

　　MattershaveonlybeenmadeworsebymultipleoilspillscausedbyKatrinaandRita.AccordingtotheU.S.CoastGuard，11oilspillshaveoccurredinsouthernLouisiana，totaling7.4milliongallons（28millionliters）ofoil，mostofwhichhasbeencontained.

　　BacterialevelsarealsoespeciallyhighinthePlaqueminessludge，saidRodneyMallett，spokespersonfortheLouisianaDepartmentofEnvironmentalQuality.

　　“Thesewagetreatmentplantswereunderwater，”heexplained.“Betweentheanimalwasteandthehumanwaste，you‘vegotalotofbacteria.”

　　ProtectionKits

　　Healthandenvironmentalagenciesareadvisingpeopletoavoidcontactwiththesludge.Theyrecommendthatpeopleweargloves，goggles，anddustmasks，andthattheywashpromptlyifexposureoccurs.

　　EPAofficialsaredirectingpeopletoitsWebsitetoinformthemselvesofthecontaminationrisks.

　　Butmostpeoplereturningtotheareadon’thavecomputerstogetthatinformation，saidErikOlson，anattorneyfortheNaturalResourcesDefenseCouncil，anenvironmentaladvocacygroup.

　　“Ifyou[do]readtheWebsite，”headded，“youpracticallyhavetohaveadegreeinchemistrytounderstandit.”

　　Tobetterinformpeopleofhealthrisks，theSouthernMutualHelpAssociationandOxfamAmericaaredevelopingaprogramtogiveeveryreturningresidentaprotectivekit.

　　Eachkitwouldcontainwaterproofsuits，goggles（风镜），shoecovers，andmasks，alongwithinformationaboutpotentialhazards，Volunteerswouldgiveoutthekitsatthesecuritycheckpointsthatnowstandatthemajorentrancestoaffectedcities.

　　Thegroupshavemadeahundreddemonstrationkits，whichcost