2018-2019学年高一英语上学期第一次月考试题（A卷）

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1、xx-2019学年高一英语上学期第一次月考试题（A卷）注意事项：1.答题前，先将自己的姓名、准考证号填写在试题卷和答题卡上，并将准考证号条形码粘贴在答题卡上的指定位置。用2B铅笔将答题卡上试卷类型A后的方框涂黑。2.选择题的作答：每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，写在试题卷、草稿纸和答题卡上的非答题区域均无效。3.非选择题的作答：用签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。4.考试结束后，请将本试题卷和答题卡一并上交。第一部分听力（共两节，满分30分）(略)第二部分阅读理解（共两节，满分40分）第一节（共15小题：

2、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。AIthaslongbeenthoughtthatelephantsrelyontheirlargeearsandbathinginriverstostaycoolinhotclimates.Newresearch，however，hasshowedthattheworld'slargestlandanimalshaveasecrettrickofcontrollingtheirbodytemperatures.Scientistshavelongbeenpuzzledby

3、temperatureregulation(调节)inelephants.Generally，animalswithlargebodiestendtoholdmoreheatbecause，paredtotheirsize，theyhaveasmallsurfaceareaforheattoescapefrom.Elephants，withtheirheavyweightframes，wouldappeartobeatadisadvantageintheheatoftheirAfricanandAsianhabitats，especiallybecausetheyhavethickfur

4、toprotectthemfrombushesandtrees.Scientiststhoughtthatthesecreatures，whichweighupto13tonswhenfullygrown，growlargeearstohelpthemstaycool.Theskinontheearsisthinner，sobloodwhichflowsintothemcoolsdownmoreeasily.ButfindingsbyresearchersattwouniversitiesinViennahaveshowedthatelephantsarealsoabletocooldo

5、wnbyincreasingthebloodflowtoskinpatches(斑)inotherpartsoftheirbodies.TheresearchersstudiedsixAfricanelephantsatViennaZooastheymovedbetweenoutdoorandindoorenvironmentstoseehowthetemperatureontheirskinsurfacewouldchange.Theyfoundupto15“hotspots”alloveranelephant'sbodysurface，inadditiontolargepatches

6、ontheears.Thestudyshowshowthesepatchesexpandastheairtemperatureincreasesandmorebloodflowsnearertotheskinsurface.Otherexperimentsshowthatelephantsinthewildusethesame“windows”tocontroltheirbodytemperature.Elephantshavetwoadditionalwaystostaycool:flapping(拍打)theearsandbathing.Togetherwiththesetricks

7、，theskinhotspotsallowtheanimalstokeeptheirbodytemperaturealwaysatabout36degrees—onedegreelessthanhumans'.21.Whatcanweknowabouttheelephants?A.Theyhavethickfurtoprotectthem.B.TheyliveincoolareasinAfricaandAsia.C.Theycanw