四川省眉山市学年高二上学期期末考试英语试题.docx
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四川省眉山市学年高二上学期期末考试英语试题.docx
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四川省眉山市学年高二上学期期末考试英语试题
四川省眉山市2020-2021学年高二上学期期末考试英语试题
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一、阅读选择
ChicagoBotanicGardenEvents
•MidwestFruitExplorers
March31-April10,1-4pm
TheMidwestFruitExplorerspresentsthishands-onworkshopwithstep-by-stepinstructionsonhowtogrowfruittrees.
•MidwestDaffodilSocietyShow
April22-28,10am-4:
30pm
TheMidwestDaffodilSocietyShowfeatureshundredsofdaffodilsondisplaythatwillbejudgedbythesociety.Theshowincludesfloral(花卉的)designandphotographycompetitions.
•IkebanaInternationalShow
May11-19,9am-3:
30pm(Saturday&Sundayonly)
TheIkebanaInternationalSocietypresentsanexhibitionoftraditionalJapaneseflowerarranging.
•GardenersoftheNorthShoreShow&Sale
TheGardenersoftheNorthShorehostthisannualshow.
June27-30,9am-4:
30pm
Thisshowincludesajudgedexhibitionwithmorethan500entriesofanythingahomegardenercangrow,includingflowers,vegetables,herbs,andhouseplants.
Serviceanimals
Serviceanimalsarewelcome.Nopetsplease.
ElectronicConvenienceVehicles(ECVs)
TheyareavailableforrentintheVisitorCenteronanunreserved,first-come-first-servedbasis.Thefollowingfeesapply:
members:
$15,1nonmembers$20.ECVswillnotberentedforindooruse.
Wheelchairs
WheelchairsareavailablefreeattheInformationDeskintheVisitorCenter.
DailyHours:
8am-7pm
GardenViewCafe:
8am-4pm
GardenShop:
10am-4pm
1.WhatcanyoudoatMidwestFruitExplorers?
A.Designflowerpatterns.
B.Learnaboutfruittreeplanting.
C.Takepartinitsphotographycompetition.
D.Buysomefruitatagoodprice.
2.AtwhichshowcanyouenjoytraditionalJapaneseflowers?
A.MidwestFruitExplorers.
B.MidwestDaffodilSocietyShow.
C.IkebanaInternationalShow.
D.GardenersoftheNorthShoreShowSale.
3.Whatservicecanvisitorsenjoyinthegarden?
A.TheycanrentECVsforindooruse.
B.Theycanvisitthegardenwiththeirpets.
C.Theycanhavefreecoffeefrom8amto4pm.
D.Theycanusefreewheelchairsiftheyneedto.
Iwasbornwithbadeyesight.AthighschoolIcouldn’treadtheblackboard.BythetimeIgottotheuniversityofBathtostudyChemistryithadgottothepointwhereIcouldn’treallyseeimagesatall,onlythedifferencebetweenlightanddark.Andafewyearslater,onceIwasinthefirstyearofmyPhD,Iwasalmostcompletelyblind.
Butclimbingismygreatpassion.IstartedclimbingwhenIwasyoung.Mydadtaughtmeeverythingaboutclimbing.WhenIwas11,Iledmyfirstclimbingrouteoutside.PeopleareusuallyamazedwhentheydiscoverthatnotonlydoIclimb,butIalsoleadclimbs.
AtuniversityIjoinedtheMountaineeringClubandwasabletoclimbmuchmorefrequently.Wehadregulartripstoindoorwallsandweekendsawayoutdoors.IdevelopedagreatcircleofclimbingfriendsandwentonseveraltripstoEurope.AftertheseIstartedAlpineclimbingandiceclimbing,too.
WhenmysightdroppedtoalevelwhereIcouldnolongerread,IthoughtImighthavetogiveupleading.ButIneverthoughtIwouldstopclimbing.Ijustlearnttoadaptwiththesupportofmyfriends.
Peopleoftenaskme,“Whyrockclimbing?
Itdoesn’tseemlikeagoodactivityforablindperson.”
ButwhenIthinkaboutthedanger,crossingtheroadisfarmoredangerous,andalso,it’ssomethingwhereI’mnotincontrol.
It’squitepossiblethatIwouldn’tbesuchagoodclimberifIweren’tblind.IfIdidn’thavethesechallenges,itwouldn’tfocusme.Thatdeterminationisbuiltthroughmydisability.
WhenIreachthetopofaclimb,Idon’tgettoappreciatetheview,butthefeelingofachievementisextremelygood.
Climbingisawaytoprovemywayofthinkinginlife—whichisthatI’mnotdisabled,I’mblindandable.
4.Whentheauthorwenttouniversity,he.
A.couldn’treadtheblackboardB.couldn’tfigureoutlightanddark
C.nearlycouldn’tseeimagesD.wasalmostblind
5.Whatdidtheauthordowhenhecouldn’tread?
A.Hethoughtaboutquittingclimbing.
B.Helearnttoadaptwithothers’help.
C.Hecontinuedleadingclimbs.
D.HewentonseveraltripstoEurope.
6.Whatcanwelearnfromthepassage?
A.Theauthorstartedclimbingattheageof11.
B.TheauthorbeganiceclimbingwhenhegothisPhD.
C.Theauthorisafraidofcrossingtheroad.
D.Theauthorviewsblindnessinapositiveway.
7.Whichcanbestexpressthemainideaofthispassage?
A.Nothingisimpossibletoawillingheart.
B.Allthingsaredifficultbeforetheyareeasy.
C.Actionsspeaklouderthanwords.
D.Theeyeisblindifthemindisabsent.
Whenhomeworkandtestskeepyouuplateatnight,youmayplantomakeupforyourlostsleepduringtheweekends.Butisituseful?
AstudypublishedinthejournalCurrentBiologyshowsthatthehabitofsleepinginonweekendsdoesn’tfixthedamagethathasbeendonebyalackofsleepduringtheweek.Evenworse,itmaydamageyourhealth.
Inthestudy,whichwasconductedover10days,36healthyyoungmenandwomenwithdifferentsleeprequirementsweredividedintothreegroups.Thefirstgroupwereaskedtosleepninehoursanightandthesecondgroupfivehoursanight.Themembersofthethirdgroupsleptforfivehoursonweekdaysbutrestedaslongastheywantedontheweekend.
Theresearchersfoundthatpeoplewholackedsleepatemoresnacksandgainedweightquickly.However,thiswasn’tthecaseforthefirstgroup.
Thatcouldbepartiallyduetotheshiftingofthebiologicalclockandchangestocertainbodyhormones,especiallyhungerhormones.Inordertocatchupontheirsleepduringweekends,peopleinthethirdgroupwouldeatlaterasahabit.Sotheirbiologicalclocksshifted,whichalsochangedtheproductionofhungerhormones.
“Thehormoneleptin(瘦素)decreasesappetite(胃口),whilethehormoneghrelin(饿素)increasesappetite,”explainedUSresearcherVsevolodPolotsky.“Sleepshortagecausesleptintodropandghrelintorise,soyou’rehungryandeatmore.”
Andeveniftheytriedtosleepforaslongastheywantedtoduringweekends,accordingtoresearchers,itwasstillnotenoughbecausetheyfounditdifficulttofallasleep.
Moreover,shortandinsufficientsleepscheduleswillleadtoaninabilitytochangebloodsugarandincreasetheriskofmetabolic(新陈代谢)diseaseinthelongterm.
8.Whichofthefollowingistrueaboutthestudy?
A.Participantsweredividedintotwogroups.
B.Researchersstudied36childrenandadults.
C.Itlastedformorethantwoweeks.
D.Eachgroupfollowdifferentsleeprequirements.
9.Whatdoestheunderlinedword“shifting”inParagraph5probablymean?
A.increasingB.lackingC.changingD.shortening
10.Whymaypeoplewithoutenoughsleepeatmore?
A.Theyneedtocreatemoreenergy.
B.Thereislessleptinintheirbodies.
C.Theyhavealowerbloodsugar.
D.Theirbodiesproducelesshormones.
11.Whatcanbeasuitabletitleforthispassage?
A.AppetiteAffectsourSleepQuality
B.SleepinginCausesWeightLoss
C.CatchinguponSleepHarmsOurBody
D.MenandWomenSleepDifferently
Inthedistantpast,ourancestorsreliedonstarstoguidethemonaclearnight.Today,wehavenavigational(导航的)systemstohelpusfindourway,thelatestofwhichistheBeidouNavigationSatelliteSystem(BDS).
TheBDSisentirelybuiltbyChineseengineers.WiththelaunchofthelastsatellitefromtheXichangSatelliteLaunchCenteronJune23,theglobalnetworkof59satelliteshasbeencompleted.OnJuly31,Beidoustartedprovidingservicescoveringourwholeplanet.
It’sdifficulttoimaginethegreatinfluencethosesatelliteshaveonourdailylives.WhenyouunlockoneofHellobike’sbicycles,youareusingtheBDS.“TheintelligentlockoneachbikereceivesBeidousatellitesignalsandsendspositioninginformationtothedatacenterwhichwillhelpcollectbigdataonthebikesandpredictusers’ridingneedsinadvanceaccordingtothedata,”ChuYiqun,amanagerofHellobikementioned.Userscanalsofindsharedbikesmoreaccurately(精确地)thankstoBeidou’sglobalpositioningaccuracyof2.34meters.
Beidouadoptsauniquetwo-waycommunicationsystem,includingitsabilitytoreceivemessagessentbypeoplefromareaswithpoorcommunicationsignals.Obviouslythisfunctionisn’tdesignedforuserstochatonline.Instead,itplaysarolewhendisastersoccurandcommunicationsareblocked.
AftertheWenchuanEarthquakein2008,allground-basedcommunicationfacilitieswereinterrupted.ThoughthefirstgenerationofBeidoucouldonlysend120charactersinasinglemessageatthattime,communicationbetweenaffectedareasandrescue(救援)centerswassuccessful.Now,Beidou’smessagingabilityhasbeenincreasedto1,200Chinesecharactersinasinglemessage.Itiswidelyusedindisasteralarms,automaticidentificationandinformationrelease.
AsSunJiadong,formerchiefdesigneroftheBDSsaid:
“Theapplication(应用)ofBeidouisonlylimitedbyimagination.”
12.WhatcanwelearnabouttheBDSfromthepassage?
A.ItwasdevelopedbyChineseandAmericanengineers.
B.Itworksbetteronclearnights.
C.ItslastsatellitewaslaunchedonJuly31.
D.It’sabletoprovideglobalcoveragefornavigation.
13.WhydoestheauthormentionHellobikeinParagraph3?
A.TostresstheexcellentpositioningabilityoftheBDS.
B.ToshowhowtheBDSmakespeople’sdailyliveseasier.
C.TopresenttheadvantagesanddisadvantagesoftheBDS.
D.ToexplainhowtheBDSworks.
14.WhatisBeidou’stwo-waycommunicationsystemdesignedfor?
A.Tohelppeoplewhencommunicationsignalsarepoor.
B.Tomakeusers’dailycommunicationmorefun.
C.Toallowuserstochatonlinemorefreely.
D.Tocollectdatafromusersforthedatacenter.
15.Whatdoestheunderlinedsentenceinthelastparagr
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