2016.1会宁一中高二英语期末试卷

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1、2015-2016第一学期高二质检英语试卷第一部分阅读理解（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、D）中，选出最佳选项，并在答题卡上该项涂黑。（A）Eatingtoomuchfattyfood,exercisingtoolittleandsmokingcanraiseyourfutureriskofheartdisease.Butthereisanotherfactorthatcancauseyourheartproblemsmoreimme

2、diately:theairyoubreathe.Previousstudieshavelinkedhighexposure(暴露）toenvironmentalpollutiontoanincreasedriskofheartproblem,buttwoanalysesnowshowthatpoorairqualitycanleadtoheartattackorstroke(中风）withinaslittleasafewhoursafterexposure.Inonereviewoftheresearch,sci

3、entistsfoundthatpeopleexposedtohighlevelsofpollutants(污染物）wereupto5%morelikelytosufferaheartattackwithindaysofexposurethanthosewithlowerexposure.AseparatestudyofstrokepatientsshowedthatevenairthattheU.S.EnvironmentalProtectionAgency(EPA)considerstobeof“moderat

4、e”(良好）qualityandrelativelysafeforourhealthcanraisetheriskofstrokeasmuchas34%within12to14hoursofexposure.Theauthorsofbothstudiesstressthattheserisksarerelativelysmallforhealthypeopleandcertainlymodestcomparedwithotherriskfactorssuchassmokingandhighbloodpressure

5、.However,itisimportanttobeawareofthesedangersbecauseeveryoneisexposedtoairpollutionregardlessoflifestylechoices.SostricterregulationbytheEPAofpollutantsmaynotonlyimproveenvironmentalairqualitybutcouldalsobecomenecessarytoprotectpublichealth.21.Thetextmainlydis

6、cussestherelationshipbetween______.A.heartproblemsandairqualityB.heartproblemsandexercisingC.heartproblemsandsmokingD.heartproblemsandfattyfood22.Theunderlinedword“modest”inParagraph3mostprobablymeans______.A.relativelyhighB.extremelylowC.relativelylowD.extrem

7、elyhigh23.Theauthor’spurposeofwritingthetextismostlikelyto_______.A.describeB.persuadeC.informD.entertain（B）Desertsarefoundwherethereislittlerainfallorwhererainforawholeyearfallsinonlyafewweeks'time.Teninchesofrainmaybeenoughformanyplantstosurvive(存活)iftherain

8、isspreadthroughouttheyear,Ifitfallswithinoneortwomonthsandtherestoftheyearisdry,thoseplantsmaydieandadesertmayform.Sandbeginsastinypiecesofrockthatgetsmallerandsmalleraswindandweat