资源描述：
《甘肃省白银市2019届高三英语模拟试题一201905310122》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、甘肃省白银市2019届高三英语模拟试题（一）第一部分：阅读理解（共两节，满分40分）第一节：（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。ABEINGanastronautsoundscool,doesn'tit?Inspace,theygettodosomeprettyamazingthings,likefloatinginzerogravity. However,therearealsoplentyoft
2、hingsthatastronautscan'tdobecauseoftheirweightlessenvironment,andthat'sverysad.What'sworse,theycan'tevenlettheirsadnessshow–becauseit'simpossibletocryinzerogravity. Ofcourse,astronautscanstillproducetears.Butcryingismuchmoredifficultinspace,reported
3、TheAtlanticinJanuary.Withoutgravity,tearsdon'tflowdownwardoutoftheeyesliketheydohereonEarth.Thismeansthatwhenyoucryinspace,yourtearshavenowheretogo—theyjuststicktoyoureyes. InMay2011,astronautAndrewFeustelexperiencedthisduringoneofhisspacewalks."Tea
4、rs,"hesaid,"don'tfalloffofyoureye...Theyjustkindofstaythere." Besidesmakingyourvisionunclear,thiscanalsocausephysicalpain.BackonEarth,tearsaresupposedtobringcomforttotheeyes.Butthat'snotthecaseinspace.Thespaceenvironmentdriesoutastronauts'eyes,andwh
5、entearssuddenlywettheeyes,itcancausepainratherthancomfort."Myrighteyeispainfullikecrazy."Feusteltoldhisteammateduringthewalk. Sincegravitydoesn'tworkinspace,astronautsneedsomeextrahelptogetridofthetears.Feustelchosetorubhiseyesagainsthishelmettowipe
6、thetearsaway.Anotherchoiceistojustwait—"Whenthetearsgetbigenoughtheysimplybreakfreeoftheeyeandfloataround,"astronautRonParisetoldTheAtlantic. Therearelotsofsmallthings—thingslikecrying–thatwearesousedtoonEarth.Weusuallytakethemforgranted,untiltheybe
7、comeaprobleminatotallydifferentenvironment,likespace.There,astronautscan'ttalktoeachotherdirectly.Theyalsocan'teatordrinkinnormalways.Theycan'tevenburp(打嗝),because-11-thereisnogravitytoholdthefooddownintheirstomach.Iftheydoburp,theyjustendupthrowingup
8、(呕吐)everythingintheirstomach,accordingtotheUKNationalSpaceCenter. Thus,perhapsit'sonlyspaceexplorerswhocanhonestlysay:"Gravity,you'rethebest."1.Whatcanweconcludefromparagraphs2and3? A.Astronautsareunabletofeelsadinspace. B.Astronautsproduc
