大学英语四级阅读理解试题(内含答案)(15)

英语四级阅读理解训练集(40篇)!

5.Thewirefeeltothefloor_______.

a.becauseMrs.Clarkerefusedtoopenthedoor

b.whentheman'sglovedroppedoff

c.becauseitwastoohottohold

d.becausethemanjustwantedtogetaway

17/200答案：cadbd

大学英语四级阅读理解试题40篇之十八（含答案）

18/200

Manypeoplebelievetheglarefromsnowcausessnowblindnenss.Yet,darkglassesornot,theyfindthemselvessufferingfromheadachesandwateringeyes,andevensnowblindness,whenexposedtoseveralhoursof"snowlight".

TheUnitedStatesArmyhasnowdeterminedthatglarefromsnowdoesnotcausesnowblindnessintroopsinasnow-coveredcountry.Rather,aman'seyesfrequentlyfindnothingtofoucsoninabroadexpanseofbarrensnow-coveredterrain.Sohisgazecontinuallyshiftsandjumpsbackandforthovertheentirelandscapeinsearchoftsomethingtolookat.Findingnothing,hourafterhour,theeyesneversotpsearchingandtheeyeballsbecomesoreandtheeyemusclesache.Natureoffsetsthisirritationbyproducingmoreandfluidwhichcoverstheeyeball.Thefluidcoverstheeyeballinincreasingquantityuntilvisionblurs,thenisobsured,andtheresultistotal,eventhoughtemporary,snowblindness.

ExperimentsledtheArmytoasimplemethodofovercomingthisproblem.Scoutsaheadofamainbodyoftroopsaretrainedtoshakesnowfromevergreenbushes,creatingadottedlineastheycrosscompletelysnow-coveredlandscape,Eventhescoutsthemselvesthrowlightweight,darkcoloredobjectsaheadonwhichtheytoocanfocus.Themenfollowingcanthenseesomething.Theirgazeisarrested.Theireyesfocusonabushandhavingfoundsomethingtosee,stopscouringthesnow-blanketedlanscape.Byfocusingtheirattentionononeobjectatatime,themencancrossthesnowwithoutbecominghopelesslysnowblindorlost.Inthiswaytheproblemofcrossingasolidwhiteterrainisovercome.

1.Topreventheadaches,wateringeyesandblindnesscausedbytheglarefromsnow,darkglassesare_____.

a.indispensible

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c.ineffective

d.available

2.Whentheeyesaresoretearsareproducedto________.

a.clearthevision

b.remedysnowblindness

c.easetheirritation

d.loosenthemuscles

3.Snowblindnessmaybeavoidedby_______.

a.concentratingtothesolidwhiteterrain

b.searchingforsomethingtolookatinsnow-coveredterrain

c.providingtheeyeswithsomethingtofoucson

d.coveringtheeyeballswithfluid

4.Thescoutsshakesnowfromevergreenbushesinorderto_______.

a.bivethemenbehindsomethingtosee

b.beautifythelandscape

c.warmthemselvesinthecold

d.preventthemenbehindfromlosingtheirway

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