- 閱讀理解B
題干：Intheatmosphere,carbondioxideactsratherlikeaone-waymirror—theglassintheroofofagreenwhichallowsthesun’sraystoenterbutpreventstheheatfromescaping.1.（）Accordingtoaweatherexpert’sprediction,theatmospherewillbe3℃warmerintheyear2050thanitistoday,ifmancontinuestoburnfuelsatthepresentrate.Ifthiswarming-uptookplace,theicecapsinthepoleswouldbegintomelt,thusraisingsealevelseveralmetersandseverelyfloodingcoastalcities.Also,theincreaseinatmospherictemperaturewouldleadtogreatchangesintheclimateofthenorthernhemisphere,possiblyresultinginanalterationoftheearth’schieffood-growingzones.2.（）Inthepast,concernaboutaman-madewarmingoftheearthhasconcentratedontheArcticbecausetheAntarcticismuchcolderandhasamuchthickericesheet.ButtheweatherexpertsarenowpayingmoreattentiontoWestAntarctic,whichmaybeaffectedbyonlyafewdegreesofwarming;inotherwords,byawarmingonthescalethatwillpossiblytakeplaceinthenextfiftyyearsfromtheburningoffuels.3.（）SatellitepicturesshowthatlargeareasofAntarcticicearealreadydisappearing.Theevidenceavailablesuggeststhatawarminghastakenplace.Thisfitsthetheorythatcarbondioxidewarmstheearth.However,mostofthefuelisburntinthenorthernhemisphere,wheretemperaturesseentobefalling.Scientistsconclude,therefore,thatuptonownaturalinfluencesontheweatherhaveexceededthosecausedbyman.Thequestionis:whichnaturalcausehasmosteffectontheweather?4.（）Onepossibilityisthevariablebehaviorofthesun.Astronomersatoneresearchstationhavestudiedthehotspotsand“cold”spots(thatis,therelativelylesshotspots)onthesun.Asthesunrotates,every27.5days,itpresentshotteror“colder”facetotheearth,anddifferentaspectstodifferentpartsoftheearth.Thisseemstohaveaconsiderableeffectonthedistributionoftheearth’satmosphericpressure,andconsequentlyonwindcirculation.Thesunisalsovariableoveralongterm:itsheatoutputgoesupanddownincycles,thelatesttrendbeingdownward.5.（）Scientistarenowfindingmutualrelationsbetweenmodelsofsolar-weatherinteractionsandtheactualclimateovermanythousandsofyears,includingthelastIceAge.TheproblemisthatthemodelsarepredictingthattheworldshouldbeenteringanewIceAgeanditisnot.Onewayofsolvingthistheoreticaldifficultyistoassumeadelayofthousandsofyearswhilethesolareffectsovercometheinertiaoftheearth’sclimate.Ifthisisright,thewarmingeffectofcarbondioxidemightthusbeservingasausefulcounter-balancetothesun’sdiminishingheat.
題目：（3） - A 、Global warming becomes more severe than before
- B 、Shifted focus
- C 、Global warming might be good for the earth
- D 、Balance must be achieved
- E 、One example of natural cause
- 、Scientists conclude a more significant impact on the weather
- 、Possible geographic and climate changes in the future
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參考答案【正確答案：6】
根據(jù)原文，Scientists conclude, therefore, that up to now natural influences on the weather have exceeded those caused by man.科學(xué)家認為自然原因比人類的因素對于氣候的影響大。
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- A 、digits
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- 2 【完形填空】（5）
- A 、with
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- A 、progress
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- A 、real
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- A 、with
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- 8 【閱讀理解B】（2）
- A 、Use commute time
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- 9 【閱讀理解B】（3）
- A 、Use commute time
- B 、Make conversations about your artwork a priority
- C 、Read before you fall asleep
- D 、Carry a notepad and pen about
- E 、Take notes whenever ideas come
- 、Talk about yourself as much as possible
- 、Don't underestimate thinking time
- 10 【完形填空】（4）
- A 、regular
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