最新冀教版九年级英语全册Unit5单元同步练习1及答案精编试题.docx

最新冀教版九年级英语全册Unit5单元同步练习1及答案精编试题.docx

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最新冀教版九年级英语全册Unit5单元同步练习1及答案精编试题

Unit5LookintoScience

一、单项选择

1.Theriverswillbecomedirtieranddirtier wetakeactiontoprotectthem.

A.sinceB.ifC.untilD.unless

2.ThoughI thephonenumbermanytimes,theforeignerstillcouldn'twriteitdown.

A.repeatedB.refusedC.researchedD.recognized

3.---Willyoufixupthemachineaccordingtothe ,David?

---Noproblem.

A.instructionsB.inventionsC.invitationsD.interviews

4.It'sgettingcolderandcolder.Isuggest somewarmclothes.

A.buyB.tobuyC.boughtD.buying

5.Thehouse twobedrooms,onekitchenandonelivingroom.

A.ismadeofB.ismadefromC.ismadeintoD.ismadeupof

6. sheknewallherfriendswouldbethere,shedidn'twanttogo,yet.

A.EvenifB.BecauseC.AssoonasD.However

7.Ifyou thebook,you'llfindsomethingsurprising.

A.turndownB.turnonC.turnoffD.turnover

8.Therearemanyoldpeople aretakingawalkinthepark.

A.thoseB.whichC.thatD.whom

9.Thoughtisthekey opensthedoorsoftheworld.

A.whyB.whereC.whichD.who

10.Jamieisayoungcook wantstoimproveschooldinners.

A.whoB.whoseC.whomD.which

二、完形填空

Haveyoueverheardofthesatellite（卫星）calledtheEarlyBird,whichwasbuiltbyagroupofscientistsfrom14countries?

Uptillnowdozensofsatelliteshavebeenputinto11 andtheyhelppeopleinmanyways.

Youcanspeaktopeopleontheothersideoftheworldoverthetelephonewiththehelpofasatellite.Theycanhelptotakethephotosoftheearthandother12 .Somepicturestakenbythesatellitesshowustherightplaceswheredifferentmetalscanbe13 .Theycanalsotellthedifferencebetweenhealthyplantsandpoorones.Thisisagreat14 tothescientistswhoworkintheforestsandinagriculture（农业）.

Satellitesarequiteusefulinourdailylife.Forexample,satellitesfor15 areusedtosendradioandTVprogramsfromonepartoftheworldtoanother.Itisthesatellitesthatmakeourworldseem16 .

Anumberofresearchstationshavebeensetuptostudytheouterspace.Inthepast,itwasdifficultforthescientiststogeta17 pictureofspacebecauseofthedustyair,18 satellitesmakeiteasier.Theyarebeingusedmoreandmoreto19 informationaboutspacejustlike20 betweenspaceandmen.

11.A.roomB.earthC.spaceD.air

12.A.moonB.starsC.sunD.sky

13.A.foundB.madeC.lostD.put

14.A.discoveryB.wonderC.interestD.help

15.A.weatherB.communicationC.computerD.traveling

16.A.biggerB.longerC.smallerD.shorter

17.A.cleanB.clearC.completeD.fresh

18.A.butB.whenC.andD.so

19.A.collectB.makeC.hideD.know

20.A.linesB.trafficC.holesD.bridges

三、阅读理解

A

Whatshouldyoutakeinwithyouwhenyoutakeanexam?

Pen,pencil,eraser,ruler…,anddon'tforgetabottleofwater!

AccordingtoastudyattheBritishPsychological（心理学的）SocietyAnnualConferenceheldinLondon,studentswhobringwaterintoexamsmayimprovetheirgradesbyupto10percent.

ScientistsattheUniversityofEastLondonandtheUniversityofWestminster,UK,didastudyon447students.Thestudentswerestudyingfordifferentdegrees（学历）attheUniversityofEastLondon.Only25percentofthementeredtheexamhallwithsomethingtodrink.

Scientiststhencomparedtheirexamresultswiththeirnormalschoolworkgrades.Theyfoundthatallthosewhohadbroughtdrinkswiththemgotbettergradesbybetween2and10percent.

Itisunclearwhydrinkingwaterimprovesexamresults.Butscientistssayhavingenoughwaterinourbodiesandnotfeelingthirstycouldhaveahelpfuleffectonourbrains.Drinkingwatermayalsocutdownonanxiety（焦虑）,whichhasabadeffectonexamperformances,accordingtoChrisPawson,PhD,oftheUniversityofEastLondon.

"Whatevertheexplanation,itisclearthatstudentsshouldtryhardtostayhydrated（含水的）withwaterduringexams,"hesaid.

Sonexttime,whenyouaregoingtohaveabigexam,trybringingabottleofwaterwithyou.Whoknows—itmayhelpyoupasstheexam!

21.Howmuchmaythestudentsimprovetheirgradesmostiftheybringwaterintoexams?

A.By2%.B.By8%.C.By10%.D.By25%.

22.Howmanystudentsinthestudygotbettergrades?

A.About112studentswhobroughtdrinksorwaterintotheirexams.

B.Allthe447studentswhocomefromtheUniversityofEastLondon.

C.About300studentswhotookpartinthestudy.

D.About10percentofthestudentswhostudieddifferentsubjects.

23.Theunderlinedphrase"cutdownon"probablymeans .

A.increaseB.bringC.reduceD.change

24.Accordingtothepassage,howdoeswaterhelpstudentsinexams?

a.Itisgoodfortheirbrains.

b.Itmakesstudentssmarter.

c.Ithelpsstudentsstaycool.

d.Ithelpsstudentsstayawake.

A.abB.acC.bcD.cd

25.Wherecanyouprobablyreadthearticle?

A.Fashionmagazine.B.Textbook.

C.Travelguide.D.Newspaper.

B

Haveyoueverrubbedyourhandstogetherwhentheygetcold?

Whydowedothat?

Wedothatforfriction.Frictionhappenswhentwothingsthataren'tverysmoothrubtogethertomakeheatenergy.Thefasteryourubtwothingstogether,themorefriction（andheat）youcanmake.Let'sdiscoverfriction!

WHATYOU'LLNEED:

●Soap●Water●Yourhands!

WHATTODO:

①Makesureyourhandsaredirty.

②Rubyourhandstogetheruntilyoufeeltheheatofyourhands.

③Now,usesoapandwatertogetyourhandsveryslippery（滑的）.

④Trytomakefrictionhappenwhileyourhandsareslippery.

⑤Pleasewritedownwhathashappened.

LET'STALK!

Frictionisanenergythathappenswhentwothingstubtogether.Whenfrictionhappens,itmakesheat!

Whenyourhandsareslippery,theywon'tmakeverymuchfrictionandyourhandswon'tgetsohot.

DIDYOUKNOW?

●Frictionhappenswhenyoustopyourfastrunningbike.

●Ancientpeoplemadefiresbyrubbingtwopiecesofwoodtogether.Frictionhappenedthoughtheydidn'tknowit.

Frictioniseverywhere.Haveyouevernoticedsituationswherefrictionishappening?

Ifnot,askyourparentstotakeyououtinacar.Ifitisnothot,touchthetires（轮胎）ofthecarbeforeandafterashortdrivetoseehowmuchwarmertheygetfromfriction.

26.Thistextismostprobably .

A.asciencereportB.acaradvertisement

C.arubbingintroductionD.achemistryprogramme

27.You'dbettermakeyourhands togetheatwhenyourubthem.

A.slipperyB.dryC.wetD.smooth

28.Whatdoestheword"friction"inthistextmeaninChinese?

A.摩擦B.冷却C.膨胀D.震动

29. isnotanexampleoffriction.

A.BikeridingB.Cardriving

C.HandsrubbingD.Frictiondiscovering

30.What'sthelastcolumn（栏目）?

A.THINKITOVER!

B.WHATHAPPENED?

C.EVERYDAYACTIOND.WORKWITHPARENTS

C

Weoftenpraisetheworldofscience.

Itexplainstheworldandmakesourliveseasierwithtechnology.Oneofthemostexcitingfieldsinscienceisartificialintelligence（人工智能,AI）.Thisisanareawherescientistsareworkingoncreatingmachinesthatthinklikehumans.

However,oneofthemostfamousscientistshasaverydarkwarningforusaboutthistypeoftechnology.

"Thedevelopmentoffullartificialintelligencecouldspelltheendofthehumanrace,"saidProfessorStephenHawkingtotheBBC.

Hawkingisawell-knownBritishphysicistandauthorofbestsellingsciencebookABriefHistoryofTime.Thiswarningcameaftercommenting（评论）thetechnologyheusestospeakwith.AsHawkinghasgotaseriousdiseasecalledALS,heneedsanAIcomputertocommunicate.ThecomputerlearnshowHawkingthinksandsuggeststhewordshemaywanttousenext.

ThisisabasictypeofAI,whichisveryuseful,yetHawkingfearsthepossibilityofcreatingtechnologythatcanmatchorsurpasshumanintelligence.Andit'seasytoimaginehowterriblethingsmaybe.ManyTVshowsandfilmsshowbig,killermachinesthatarefarclevererthanus."Humans,whoarelimited（限制）byslowbiologicalevolution（进化）,couldn'tcompete,"saidHawking.

Butnoteveryscientistispessimistic（悲观的）aboutAItechnology."Ibelievewewillbeincontrolofthetechnologyforalongtime,"saidRolloCarpenter,creatorofCleverbotintheUK,whichisasoftwareprogramthatrememberspastconversations,"Theadvantagesofittosolvemanyoftheworldproblemswillberealized."

InwhatdirectiondoyouthinkAIisheading?

Shouldwebehopefulorfearful?

31.WhichofthefollowingisTRUEaboutAI?

A.Itmakesourliveseasier.

B.Thetechnologyisnotverypopularnow.

C.Scientistshaven'tcontrolledthetechnology.

32.ThewritertookHawkingasanexampleto .

A.explainhowAIhashelpedus

B.showAIhasalreadybecomepartofourlife

C.suggestthatAImightbecomedangerousforhumans

33.Whatdoestheunderlinedword"surpass"meaninthepassage?

A.象征B.促进C.超越

34.Wecanknowfromthelastparagraphthat .

A.RolloagreeswithHawking

B.RolloisaBritishcreator

C.RolloinventedCleverbotintheUS

35.Whichofthefollowingcanbeasuitabletitleforthisarticle?

A.AI:

AFriendoranEnemy

B.TheFutureofHumanBeings

C.TheFightBetweenHumansandAI

四、单词拼写（单句首字母填空）

36.Thereisamistakeinthenotebook;youshouldc it.

37.Wemustwalktothevillage.Thereisnootherm ofgoingthere.

38.Thebosspromisedtod ourpaynextmonth,sowecanmakemoremoney.

39.---Howwasyoursummervacation?

---Itwasf .IhadagoodtimeinBeijing.

40.Herd aboutthewildanimalswillchangepeople'straditionalideaabouttheirbehaviors.

五、单词拼写（根据中文提示拼写单词）

41.Hey!

Relax!

Noonewill （强迫）youtodothatifyou'renotwillingto.

42.Iboughtsomecandle