吉林省长春市长春八中2018_2019学年高一英语上学期第一次月考卷

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1、2018-2019学年上学期高一第一次月考卷英语(A)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I卷第一部

2、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：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'slargestland

3、animalshaveasecrettrickofcontrollingtheirbodytemperatures.Scientistshavelongbeenpuzzledbytemperatureregulation（调节）inelephants.Generally,animalswithlargebodiestendtoholdmoreheatbecause,comparedtotheirsize,theyhaveasmallsurfaceareaforheattoescapefrom・Eleph

4、ants,withtheirheavy-weightframes,wouldappeartobeatadisadvantageintheheatoftheirAfricanandAsianhabitats,especiallybecausetheyhavethickfurtoprotectthemfrombushesandtrees.Scientiststhoughtthatthesecreatures,whichweighupto13tonswhenfully-grown,growlargeearst

5、ohelpthemstaycool.Theskinontheearsisthinner,sobloodwhichflowsintothemcoolsdownmoreeasily.ButfindingsbyresearchersattwouniversitiesinViennahaveshowedthatelephantsarealsoabletocooldownbyincreasingthebloodflowtoskinpatches（斑）inotherpartsoftheirbodies.Theres

6、earchersstudiedsixAfricanelephantsatViennaZooastheymovedbetweenoutdoorandindoorenvironmentstoseehowthetemperatureontheirskinsurfacewouldchange.Theyfoundupto15“hotspotsvalloveranelephant1sbodysurface”inadditiontolargepatchesontheears.Thestudyshowshowthese

7、patchesexpandastheairtemperatureincreasesandmorebloodflowsnearertotheskinsurface.Otherexperimentsshowthatelephantsinthewildusethesame"windows”tocontroltheirbodytemperature.Elephantshavetwoadditionalwaystostaycool:flapping（拍打）theearsandbathing・Togetherwit

8、hthesetricks,theskinhot.spotsallowtheanimalstokeeptheirbodytemperaturealwaysatabout36degrees一onedegreelessthanhumans'•21.Whatcanweknowabouttheelephants?A.Theyhavethickfurtoprotectthem.B.TheyliveincoolareasinAfricaandAsia.C