河南省扶沟县高级中学2018-2019学年高二下学期英语---精校Word版含答案

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1、www.ks5u.com高二年级下学期第一次质量检测英语试题注意事项：1.答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。2.回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其他答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。3.考试结束后，将本试卷和答题卡一并交回。第一部分听力（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A、B、C和D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。ATeenswhoarechangingthewor

2、ldTeenagersare,infact,solvingtheproblemsoftodaywithgroundbreakinginventions.KeianaCavé,U.S.A.Thelargestoilslick(浮油)causedbytheoiloverflowoccurringintheGulfofMexicoin2010ledtobabydolphinsdyingatsixtimestheusualrate.WatchingthenewsonTV,Cavéfeltthattheremustbesomehiddenenvironmentaldamage.Agedjus

3、t15,shebeganstudyingwhathappenstooilwhenit'sleftontheocean’ssurface.Theteenagerdiscoveredthatwhenit’shitbyUVraysfromthesun,oilreactstoformchemicalswhichcausecancer.Cavéhasturnedherworkintotwopatentsformethodsofdetecting(发现)thedangerouschemicals.WangSunmingandLiJingpeng,ChinaRealizingtheextentt

4、owhichbacteriaspreadonpublicdoorhandles,WangandLisoughtamaterial—titaniumoxide(钛白粉)—thatcouldadequatelykillbacteria.However,thechemicalisn’tveryeffectiveunlessexposedtoUVrays.Sincemostdoorhandlesareinside-12-buildings—beyondthereachofUVraysfromthesun,WangandLiturnedtoLEDlightsandcreatedaLEDdoo

5、rhandle.Whenapersontouchesthehandle,theUVlightswitcheson,activating(使活跃)thetitaniumoxideonitandinstantlykilling99.8percentofthebacteriathatmightotherwisehavebeenspread.JulianRiosCantu,MexicoThisinventorwasjust13yearsoldwhenhismotherwasdiagnosed(诊断)withbreastcancer.Hewatchedinhorrorasthetumor(肿

6、瘤)grewfromthesizeofagreenbeantothesizeofagolfball.Afterhismotherrecovered,Cantusetouttoprotectothersfromthedisease.Hedevelopedawearabledevicethatmaybeabletodetecttheearlysignsofbreastcancer.Iftheprojectsucceeds,itcansavemillionsoflives.21.WhydidCavébeginstudyingoilleftontheocean’ssurface?A.Tot

7、estheruniqueprediction.B.Topreventtheoiloverflowing.C.Toapplyforapatentonherinvention.D.Tofindthecauseofbabydolphins’deaths.22.Whatisspecialaboutthebacteria-killingdoorhandle?A.Thetitaniumoxideisanactivechemical.B.LEDlightsareusedtoprov