全国百强校Word湖北襄阳四中届高三下学期第二次模拟考试英语试题有答案.docx

全国百强校Word湖北襄阳四中届高三下学期第二次模拟考试英语试题有答案.docx

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全国百强校Word湖北襄阳四中届高三下学期第二次模拟考试英语试题有答案

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【全国百强校Word】湖北襄阳四中2017届高三下学期第二次模拟考试英语试题（有答案）

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第I卷（选择题）

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一、阅读理解（题型注释）

Scientistshavefoundlivingorganismstrappedincrystals（晶体）thatcouldbe50,000yearsold.

Theorganismswerefoundinahot,butbeautiful cave systeminNaica,Mexico.Theseancientlifeformscanbeseenonlywithamicroscope.PenelopeBoston,wholeadstheAstrobiologyInstituteatNASA,thespaceagencyoftheUnitedStates,saystheancientmicrobes（微生物）wereabletolivebyeatingmineralssuchasiron.

ShespokeaboutthediscoveryrecentlyatameetingoftheAmericanAssociationfortheAdvancementofScience.Ifthefindingsareconfirmed,theywillshowhowmicrobescansurviveinextremeconditions.Fortydifferentkindsofmicrobesandsomeviruseswerefoundintheundergroundarea.Thegeneticstructuresoftheseorganismsare10percentdifferentfromthoseoftheirnearestrelatives.

ThecavesinNaicaare800kilometersdeep.Theywereonceusedformininglead.Beforetheminersbeganworkinginthecaves,theareawas separated fromthesurfaceandtheoutsideworld.SomeofthecavesareasbigasthelargereligiouscentersbuiltduringEurope'sMiddleAges.Therearecrystalscoveringthewalls.Thecavesaresohotthatscientistsmustwearspecialclothingtokeepcool.Theclothingkeepsthecrystalssafefromhumangerms（病菌）orotherdamage.Bostonsaidtheresearcherscouldonlyworkforabout20minutesatatimebeforetheyhadtogotoaroomthatwas38degreesCelsiustocooldown.

NASAofficialswouldnotletBostonshareherfindingswithscientificexpertsbeforelastweek'sannouncement.Soscientistscouldnotsaymuchaboutthefindings.ButNorineNoonan,abiologistwiththeUniversityofSouthFlorida,saidshebelievedthem."Whyarewesurprised?

"Noonanasked."Asabiologist,IwouldsaylifeonEarthisextremelytoughandextremely colorful."

Bostonisalsostudyingmicrobescommonlyfoundinsidecavesinothercountries,suchasUkraineandtheUnitedStates.Thesemicrobesappeartobeimpossibletokill.BostonsaidtheyshowhowdifficultlifeonEarthcanbe.

1、Theexistenceoftheancientmicrobesrelieson_______.

A．surroundinginsects                              B．diverseplants                              

C．eatingminerals                              D．absorbingair                              

2、WhatcanweinferaboutthecavesinNaicafromthepassage?

A．Thewallsarecoveredbycrystals.

B．Thetemperatureinthecavesisquitelow.

C．Thecaveshavebeenexploredsincetheywereformed.

D．Theenvironmentinthecavesisdifficulttoadaptto.

3、WhatisthebiologistNorineNoonan’sattitudetowardsthefindings?

A．Critical                              B．Positive.                              

C．Doubtful.                              D．Indifferent.                              

4、What’sthemainideaofthepassage?

A．Livingorganismsbringhopetoscientificresearch.

B．ScientistsDiscover50,000-year-old“superlife”inMexico.

C．Microbesshowgreatpowertosurviveinterribleconditions.

D．Cavesprovidelivingenvironmentforlivingorganisms.

Everyonelovesahotshower,exceptmaybeyourskinandhair.Asitturnsout,hotwaterdriesoutskinandleaveshairdryandeasilybroken,SejalShah,MD（DoctorofMedicine）inNewYorkCity,toldWomen’sHealth.Andifyoudye（染）yourhair,thecolorislikelytofadefasteroncethewatergetssteamy.Tomakemattersworse,bymakingyourskinlosenaturaloils,hotshowers—above99degreesFahrenheit—maybringabouthealthproblems.Youmaynotlikeit,buttheshowerstemperaturethatoffersthegreatesthairandskincarebenefitsis,well,cold.

Coldshowers“strengthenthecontractilefibersaroundpores（毛孔）,muscles,andhairswhichimprovesthefirmnessofskin,”says CarlThornfeldt,MDwithover30yearsofskinresearchexperience.Thoughmanypeoplebelievehotshowersopenandclearpores,it’sactuallywisertoclosethem.“Closingporeshelpskeeppollutionfromgettingintotheskin,atleasttemporarily,”

Thebenefitsofcoldshowersarenumerous,butsurelywecan’tbeexpectedtostandundercoldwatershiveringeverydayespeciallyinwinter--nottomentionthattoocold（belowthebody’saveragetemperatureof96.6degreesFahrenheit）isalsobad.Fortunately,Dr.Thornfeldtrecommendsahappymedium.“Thebestsolutionistotakeawarm,nottoohotshowerandthenfinishoffwithcoldwaterforthelastfewsecondstostillgaintherewardsofthecoldwater,”hesays.

Thatdoesn’tsoundtoounbearable.Consideringthefactthatourbeloved,steamyshowersmaycausesomuchdamagetoskinandhair,it’sbest