Recentresearchhasclaimedthatanexcessofpositiveionsintheaircanhaveanilleffectonpeople’sphysicalorpsychologicalhealth.Whatarepositiveions?Well,theairisfullofions,electricallychargedparticles,andgenerallythereisaroughbalancebetweenthepositiveandthenegativecharged.Butsometimesthisbalancebecomesdisturbedandalargerproportionofpositiveionsarefound.Thishappensnaturallybeforethunderstorm,earthquakeswhenwindssuchastheMistral,HamsinorSharavareblowingincertaincountries.Oritcanbecausedbyabuild-upofstaticelectricityindoorsfromcarpetsorclothingmadeofman-madefibres,orfromTVsets,duplicatorsorcomputerdisplayscreens.
Whenalargenumberofpositiveionsarepresentintheairmanypeopleexperienceunpleasanteffectssuchasheadaches,fatigue,irritability,andsomesensitivepeoplesuffernauseaorevenmentaldisturbance.Animalsarealsoaffected,particularlybeforeearthquakes,snakeshavebeenobservedtocomeoutofhibernation,ratstofleefromtheirburrows,dogshowlandcatsjumpaboutunaccountably.ThishasledtheUSGeographicalSurveytofundanetworkofvolunteerstowatchanimalsinanefforttoforeseesuchdisastersbeforetheyhitvulnerableareassuchasCalifornia.
Conversely,whenlargenumbersofnegativeionsarepresent,thenpeoplehaveafeelingofwell-being.Naturalconditionsthatproducetheselargeamountsarenearthesea,closetowaterfallsorfountains,orinanyplacewherewaterissprayed,orformsaspray.Thisprobablyaccountsforthebeneficialeffectofaholidaybythesea,orinthemountainswithtumblingstreamsorwaterfalls.
Toincreasethesupplyofnegativeionsindoors,somescientistsrecommendtheuseofionisers:smallportablemachines,whichgeneratenegativeions.Theyclaimthationisersnotonlycleanandrefreshtheairbutalsoimprovethehealthofpeoplesensitivetoexcesspositiveions.Ofcourse,therearethedetractors,otherscientists,whodismisssuchclaimsandareskepticalaboutnegative/positiveionresearch.Thereforepeoplecanonlymakeuptheirownmindsbyobservingtheeffectsonthemselves,oronothers,ofanegativerichorpoorenvironment.Afterallitisdebatablewhetherdependingonseismicreadingstoanticipateearthquakesismoreeffectivethanwatchingthecat.
1.Whateffectdoesexceedingpositiveionizationhaveonsomepeople?
A.Theythinktheyareinsane.
B.Theyfeelratherbad-temperedandshort-fussed.
C.Theybecomeviolentlysick.
D.Theyaretootiredtodoanything.
2.Inaccordancewiththepassage,staticelectricitycanbecausedby___.
A.usinghome-madeelectricalgoods.
B.wearingclothesmadeofnaturalmaterials.
C.walkingonartificialfloorcoverings.
D.copyingTVprogramsonacomputer.
3.Ahighnegativeioncountislikelytobefound___.
A.nearapoundwithawaterpump.
B.closetoaslow-flowingriver.
C.highinsomebarrenmountains.
D.byarotatingwatersprinkler.
4.Whatkindofmachinecangeneratenegativeionsindoors?
A.Ionisers.
B.Air-conditioners.
C.Exhaust-fans
D.Vacuumpumps.
5.Somescientistsbelievethat___.
A.watchinganimalstoanticipateearthquakesismoreeffectivethandependingonseismography.
B.theunusualbehaviorofanimalscannotbetrusted.
C.neitherwatchingnorusingseismographsisreliable.
D.earthquake
BCDAA
暂无解析
IliveinthelandofDisney,Hollywoodandyear-roundsun.Youmaythinkpeopleinsuchaglamorous,fun-filledplacearehappierthanothers.Ifso,youhavesomemistakenideasaboutthenatureofhappiness.
Manyintelligentpeoplestillequatehappinesswithfun.Thetruthisthatfunandhappinesshavelittleornothingincommon.Funiswhatweexperienceduringanact.Happinessiswhatweexperienceafteranact.Itisadeeper,moreabidingemotion.
Goingtoanamusementparkorballgame,watchingamovieortelevision,arefunactivitiesthathelpusrelax,temporarilyforgetourproblemsandmaybeevenlaugh.Buttheydonotbringhappiness,becausetheirpositiveeffectsendwhenthefunends.
IhaveoftenthoughtthatifHollywoodstarshavearoletoplay,itistoteachusthathappinesshasnothingtodowithfun.Theserich,beautifulindividualshaveconstantaccesstoglamorousparties,fancycars,expensivehomes,everythingthatspells“happiness”.Butinmemoiraftermemoir,celebritiesrevealtheunhappinesshiddenbeneathalltheirfun:depression,alcoholism,drugaddiction,brokenmarriages,troubledchildrenandprofoundloneliness.
Askabachelorwhyheresistsmarriageeventhoughhefindsdatingtobelessandlesssatisfying.Ifhe’shonest,hewilltellyouthatheisafraidofmakingacommitment.Forcommitmentisinfactquitepainful.Thesinglelifeisfilledwithfun,adventureandexcitement.Marriagehassuchmoments,buttheyarenotitsmostdistinguishingfeatures.
Similarly,couplesthatchoosenottohavechildrenaredecidinginfavorofpainlessfunoverpainfulhappiness.Theycandineoutevertheywantandsleepaslateastheywant.Coupleswithinfantchildrenareluckytogetawholenight’ssleeporathree-dayvacation.Idon’tknowanyparentwhowouldchoosethewordfuntodescriberaisingchildren.
Understandingandacceptingthattruehappinesshasnothingtodowithfunisoneofthemostliberatingrealizationswecanevercometo.Itliberatestime:nowwecandevotemorehourstoactivitiesthatcangenuinelyincreaseourhappiness.Itliberatesmoney:buyingthatnewcarorthosefancyclothesthatwilldonothingtoincreaseourhappinessnowseemspointless.Anditliberatesusfromenvy:wenowunderstandthatallthoserichandglamorouspeopleweweresosurearehappybecausetheyarealwayshavingsomuchfunactuallymaynotbehappyatall.
1.Whichofthefollowingistrue?
A.Funcreateslong-lastingsatisfaction.
B.Funprovidesenjoymentwhilepainleadstohappiness.
C.Happinessisenduringwhereasfunisshort-lived.
D.Funthatislong-standingmayleadtohappiness.
2.Totheauthor,Hollywoodstarsallhaveanimportantroletoplaythatisto__.
A.ritememoiraftermemoirabouttheirhappiness.
B.tellthepublicthathappinesshasnothingtodowithfun.
C.teachpeoplehowtoenjoytheirlives.
D.bringhappinesstothepublicinsteadofgoingtoglamorousparties.
3.Intheauthor’sopinion,marriage___.
A.affordsgreaterfun.
B.leadstoraisingchildren.
C.indicatescommitment.
D.endsinpain.
4.Coupleshavinginfantchildren___.
A.areluckysincetheycanhaveawholenight’ssleep.
B.findfunintuckingthemintobedatnight.
C.findmoretimetoplayandjokewiththem.
D.derivehappinessfromtheirendeavor.
5.Ifonegetthemeaningofthetruesenseofhappiness,hewill__.
A.stopplayinggamesandjokingwithothers.
B.makethebestuseofhistimeincreasinghappiness.
C.giveafreehandtomoney.
D.keephimselfwithhisfamily.
Urban congestion would greatly be relieved if the____charged on public transport were more reasonable.
PartIIICloze
Directions:Therearetwentyblanksinthefollowingpassage.Foreachblanktherearefourchoices.ChoosetheonethatbestfitsintothepassageandthenmarksyouranswerontheAnswerSheet.
Therearetwofactorswhichdetermineanindividual’sintelligence.Thefirstisthesortofbrainheisborn61.Humanbrainsdifferconsiderably,62beingmorecapablethanothers.63nomatterhowgoodabrainhehastobeginwith,anindividualwillhavealoworderofintelligence64hehasopportunitiestolearn.Sothesecondfactoriswhat65totheindividual—thesortofenvironmentinwhichheisbrought66.Ifanindividualishandicapped(受阻碍)67,itislikelythathisbrainwill68todevelopandhewill69attainthelevelofintelligenceofwhichheis70.
Theimportanceofenvironmentindetermininganindividual’sintelligencecanbe71bythecasehistoryoftheidenticaltwins,PeterandJohn.Whenthetwinswerethreemonthsold,theirparentsdied,andtheyareplacedin72foster(寄养)homes.Peterwasrearedbyparentsoflowintelligenceinan73communitywithpooreducational74.John,75,waseducatedinthehomeofwell-to-doparentswhohasbeentocollege.Thisenvironmental76continueduntilthetwinswere77theirlateteens,78theyweregiventeststo79theirintelligence.John’sI.Q.(智商)was125,twenty-fivepointshigherthanthe80andfullyfortypointshigherthanhisidenticalbrother.
61.A.forB.byC.withD.in
62.A.mostB.someC.manyD.few
63.A.ButB.ForC.StillD.And
64.A.ifB.thoughtC.asD.unless
65.A.refersB.appliesC.happensD.concerns
66.A.aboutB.upC.forwardD.forth
67.A.relativelyB.intelligentlyC.regularlyD.environmentally
68.A.failB.helpC.manageD.stop
69.A.everB.neverC.evenD.nearly
70.A.ableB.capableC.availableD.acceptable
71.A.demonstratedB.deniedC.neglectedD.ignored
72.A.separateB.similarC.remoteD.individual
73.A.omittedB.isolatedC.enclosedD.occupied
74.A.possibilitiesB.opportunitiesC.capacitiesD.responsibilities
75.A.moreoverB.consequentlyC.thenD.however
76.A.exceptionB.divisionC.differenceD.alteration
77.A.inB.byC.atC.for
78.A.whileB.sinceC.whenD.because
79.A.estimateB.countC.decideD.measure
80.A.averageB.commonC.usualD.ordinary
翻译：
Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.(PassageTwo)
Whatdoesthefutureholdfortheproblemofhousing?Agooddealdepends,ofcourse,onthemeaningof“future”.Ifoneisthinkingintermsofsciencefictionandthespaceage,itisatleastpossibletoassumethatmanwillhavesolvedsuchtrivialandearthlyproblemsashousing.Writersofsciencefiction,fromH.G.Wellsonwards,havehadlittletosayonthesubject.Theyhaveconveyedthesuggestionthatmenwillliveingreatcomfort,witheveryconceivableapparatustomakelifesmooth,healthyandeasy,ifnothappy.Buttheyhavenotsaidwhathishousewillbemadeof.Perhapssomenewbuildingmaterial,asyetunimagined,willhavebeendiscoveredorinventedatleast.Onemaybecertainthatbricksandmortar(泥灰，灰浆)willlonghavegoneoutoffashion.
Buttheproblemsofthenextgenerationortwocanmorereadilybeimagined.Scientistshavealreadypointedoutthatunlesssomethingisdoneeithertorestricttheworld’srapidgrowthinpopulationortodiscoveranddevelopnewsourcesoffood(orboth),millionsofpeoplewillbedyingofstarvationoratthebestsufferingfromunderfeedingbeforethiscenturyisout.Butnobodyhasyetworkedoutanyplanforhousingthesegrowingpopulations.Admittedlytheworstsituationswilloccurinthehottestpartsoftheworld,wherehousingcanbelightstructureorinbackwardareaswherestandardsaretraditionallylow.Buteventheminimumshelterrequiresmaterialsofsomekindandintheteeming,bulgingtownsthelow-standard“housing”offlattenedpetrolcansanddirtycanvasisfarmorewastefulofgroundspacethancanbetolerated.
Sincethewar,HongKonghassufferedthekindofcrisiswhichislikelytoariseinmanyotherplacesduringthenextgeneration.Literallymillionsofrefugeesarrivedtoswellthealreadygrowingpopulationandemergencystepshadtobetakenrapidlytopreventsqualor(肮脏)anddiseaseandthespreadcrime.Thecityistacklingthesituationenergeticallyandenormousblocksoftenements(贫民住宅)arerisingatanastonishingaped.ButHongKongisonlyonesmallpartofwhatwillcertainlybecomeavastproblemandnotmerelyahousingproblem,becausewhenpopulationgrowsatthisratethereareaccompanyingproblemsofeducation,transport,hospitalservices,drainage,watersupplyandsoon.NoteveryareamaygivethesameresourcesasHongKongtodrawuponandthesearchforquickerandcheapermethodsofconstructionmustnevercease.
1.Whatistheauthor’sopinionofhousingproblemsinthefirstparagraph?
A.Theymaybecompletelysolvedatsometimeinthefuture.
B.Theyareunimportantandeasilydealtwith.
C.Theywillnotbesolveduntilanewbuildingmaterialhasbeendiscovered.
D.Theyhavebeendealtwithinspecificdetailinbooksdescribingthefuture.
2.Thewriterissurethatinthedistantfuture___.
A.bricksandmortarwillbereplacedbysomeotherbuildingmaterial.
B.anewbuildingmaterialwillhavebeeninvented.
C.bricksandmortarwillnotbeusedbypeoplewhowanttheirhousetobefashionable.
D.anewwayofusingbricksandmortarwillhavebeendiscovered.
3.Thewriterbelievesthatthebiggestproblemlikelytoconfronttheworldbeforetheendofthecentury___.
A.isdifficulttoforesee.
B.willbehowtofeedtheevergrowingpopulation.
C.willbehowtoprovideenoughhousesinthehottestpartsoftheworld.
D.isthequestionoffindingenoughgroundspace.
4.Whenthewritersaysthattheworstsituationswilloccurinthehottestpartsoftheworldorinbackwardareas,heisreferringtothefactthatintheseparts___.
A.standardsofbuildingarelow.
B.onlyminimumshelterwillbepossible.
C.thereisnotenoughgroundspace.
D.thepopulationgrowthwillbethegreatest.
5.WhichofthefollowingsentencesbestsummarizesParagraph3?
A.HongKonghasfacedaseriouscrisiscausedbymillionsofrefugees.
B.HongKonghassuccessfullydealtwiththeemergencycausedbymillionsofrefugees.
C.HongKong’scrisiswasnotonlyamatterofhousingbutincludedanumberofotherproblemsofpopulationgrowth.
D.ManypartsoftheworldmayhavetofacethekindofproblemsencounteredbyHongKongandmayfinditmuchhardertodealwiththem.
