2019-2020年高三上学期第二次统测英语试题 含答案

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1、2019-2020年高三上学期第二次统测英语试题含答案I语言知识及应用(共两节,满分45分) 第一节完形填空(共15小题；每小题2分,满分30分)阅读下面短文,掌握其大意,然后从1～15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。Whichcamefirst,thechickenortheegg?Thisisoneoflife’s___1___questionsandpeoplehavebeendebatingaboutitforthousandsofyears.Nowscientistsb

2、elievetheyhavesolvedthis___2___.ResearchersfromSheffieldandWarwickUniversitiesinEnglanddiscoveredtheanswer___3___.Theyusedasuperputertoobservetheshell-makingprocesswhileanewshellwas___4___.ThentheyfoundoneproteincalledOC17thatis___5___forformingeggshell.Thisis

3、onlyfoundinsideachicken’sbody,whichisproofthatthe___6___camefirst.Theteamwas___7___lookingathowanimalsandbirdsmakeeggshellsbutsuddenlymadetheirsurprising___8___.Thebigquestionnowiswherechickenscamefrom.The___9___isfromdinosaurs.Theresearchteamsaideggshellsareo

4、neofnature’smost___10___creations.ProfessorJohnHardingfromtheteamtoldreporters:“Understandinghowchickensmakeeggshellsisfascinatinginitself,butitcanalsobe___11___indesigningnewmaterials.”Eggshellsareverylightweightbutincrediblystrong.Eventhemostup-to-datemateri

5、als___12___bytheworld’stopengineerscannotproduceanythingas___13___asaneggshell.ProfessorHardingaddedthat___14___eggshellscouldhelptocurebonediseasesanddesignmaterialsfortheconstructionindustry.“Naturehasfoundwonderfulwaysthat___15___forallkindsofproblemsinmate

6、rialsscienceandtechnology—wecanlearnalotfromthem.”hesaid.1.A.strangestB.best C.oldestD.closest2.A.puzzleB.fact        C.historyD.opinion3.A.onpurpose  B.bychance   C.withouthesitation D.atwork4.A.breaking     B.changing    C.disappearing       D.forming5.A.nec

7、essary   B.easy        C.kind               D.impossible6.A.egg          B.eggshell    C.chicken            D.dinosaur7.A.obviously    B.originally  C.thoughtfully       D.surprisingly8.A.invention    B.mistake     C.statement          D.discovery9.A.answer   

8、    B.research    C.road              D.egg10.A.mon      B.ridiculous  C.funny             D.amazing11.A.interesting B.helpful     C.normal            D.correct12.A.bought      B.c