四川省眉山市学年高二上学期期末考试英语试题.docx

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

学校:

___________姓名：

___________班级：

___________考号：

___________

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