2023年机电专业英语期中复习题库

四川核工业技师学院-第一学期期中考试复习题库科目：机电英语层次：高级工，考试时间90分钟合用班级：二校区机电1322项目一二三四五合计复核签名得分阅卷一、英汉互译。（40分，每空2分）1、mechanicaldesign____________________2、机械制图_____________________3、kinematics____________________4、工程材料_____________________5、strengthofmaterials__________________6、unforeseenproblems________________________7、为了_________________8、operatingdimensions________________9、制造周期_________________________10、optimumutilization_________________11、销售吸引力_________________12、centrifugalforce_________________13、thermalexpansion____________________14、交变应力________________________15、stressconcentration_________________________________16、共振______________________17、partsmanufacturers________________________18、CAD/CAM________________________19、螺纹孔_______________________20、谢谢_______________________________二、连线题（20分，每空2分）1.运动副 Amotivitymember2.原动件 Bmotionpairs 3.从动件 Cswitch4.开关 Ddrivenmember5.自由度 Eslidingpairs6.机架 F hardness7.坐标 G parameter8.参变量 H coordinate9.移动副 I machineframe10.硬度 J freedegreeFundamentalsurfacestressFundamentalsurfacestressdeterminableonthesafesideinamannerfacilitateThe__________________equationsofmechanicsandtheothersciencesaretheacceptedbasesforcalculations.Theyaresometimesrearrangedinspecialformsto_______________thedeterminationoroptimizationofdimensions,suchasthebeamand__________________________equationsfordetermininggear-toothsize.Factorsmaybeaddedtoafundamentalequationforconditionsnotanalytically___________________,e.g.,onthinsteeltubes,anallowanceforcorrosionaddedtothethicknessbasedonpressure.Whenitisnecessarytoapplyafundamentalequationfortoshapes,materials,orconditionswhichonlyapproximatetheassumptionsforitsderivation,itisdone______________________whichgivesresults”__________________________”.Insituationswheredataareincomplete,equationsofthesciencesmaybeusedasproportioningguidestoextendasatisfactory

design

tonewcapacities.四、将下列句子翻译成中文（40分，每题5分）1.

Activity

connections

between

two

members

that

have

the

relative

motion

are

called

the

motion

pairs

.

2.All

motion

pairs

contact

with

planes

are

called

lower

pairs

，

all

motion

pairs

contact

with

points

or

lines

are

called

high

pairs

3.The

member

is

used

to

support

the

members

of

motion

in

the

mechanism

to

be

called

the

machine

frame

and

used

as

the

reference

coordinate

to

study

the

motion

system.

4.The

member

that

possesses

the

independence

motion

is

called

motivity

member.

The

member

except

machine

frame

and

motivity

member

being

compelled

to

move

in

the

mechanism

is

called

driven

member.5.The

independent

parameter

(coordinate

number)

essential

for

description

or

definite

mechanism

motion

is

called

the

free

degree

of

mechanism.6.For

gaining

the

definite

relative

motion

between

the

members

of

mechanism,

it

is

necessary

make

the

number

of

motivity

members

of

mechanism

equal

the

number

of

free

degrees.7.Mechanisms

may

be

categorized

in

several

different

ways

to

emphasize

their

similarities

and

differences.8.A

mechanism

is

the

members

combination

more

than

two

or

two

connections

with

the

members

to

realize

the

regulation

motion

made

by

way

of

the

activity.

五、单项选择(共30分每题2分)1.---Ithinkeatingmorevegetablesisgood_______ourhealth.---Yes,Iagree_______you.A.at,to B.to,to C.for,with D.for,to2.---Doyouknowtheboy________issittingnexttoPeter?---Yes.HeisPeter’sfriend.Theyarecelebratinghis________birthday.A.who;ninth B.that;nineth C./;nineth D.which;ninth3.---DidyouhaveagoodtimeatLaura’sbirthdayparty?---Yes,indeed.It’sseveralyears________Ienjoyedmyselfsomuch.A.when B.before C.since D.that4.---YoucanuseMSNtotalkwithVivienontheInternet.---Iknow.Butcanyoutellme________?A.whenIcanuseit B.whatIcanuseitC.whycanIuseit D.howcanIuseit5.---TheWorldExpo(世博会)whichwilllast184dayswillbeheldinShanghaionMay1st.---________excitingnews!Weshalltryourbesttosupportit.A.How B.What C.Howan D.Whatan6.---HaveyouseentheTVplayMyUglyMother?---Yes,it’swellworth________.It’s________movingthatI’veseenittwice.A.seeing;too B.tosee;enough C.seeing;so D.tosee;such7.---WhatdoyouthinkofthelectureofLiYang’sCrazyEnglish?---Ithinkit’s_______,butsomeonethinksit’smuchtoo________.A.wonderfulenough;bored B.enoughwonderful;boring C.wonderfulenough;boring D.enoughwonderful;bored8.---Whowillsendyoutothenewschool,yourmomoryourdad?---_______.I’llgotherebymyself.A.Both B.Either C.Neither D.None9.---Isthisparkyou’vevisitedrecently?---Yes,it'sthemostbeautifuloneI’veevervisitedbefore.A.theone B.that C.which D.theonewhich10.---It’sdifficultforthevillagechildrentocrosstheriverforschool.---Ithinkabridge________overtheriver.A.shouldbebuiltB.isbeingbuilt C.hasbeenbuilt D.wasbuilt11.---Howdoyoulikethedishes,Eric?---Fantastic!Nothingtastes________.A.nice B.better C.terrible D.worse12.---Afterdiscussing,thestudents________somegoodideastoworkontheproject.---That’sgreat!A.putup B.cameupwith C.caughtupwith D.setup13.---Didyouseeagirlinyellowpassbyjustnow?---No,sir.I________amagazine.A.read B.amreading C.wouldread D.wasreading14.---WhatdidMrGreensaytoyou?---“Whataheavyrain!Howdidyoucomehere?”Heasked________.A.atall B.infact C.insurprise D.asaresult15.---ZhaoRui,it’ssaidthatmanyfamoussingerswillcometoYangzhouonApril18th.Howaboutwatchingtheeveningshowthere?---________!Let’saskHuangTaotogowithus.A.Bestwishes B.Soundsgreat C.Goodluck D.That’sOK六、阅读理解(共90分每题3分)(A)Carlisagoodboy.HelivesinasmallhousewithhisfamilyinLondon.Heis18yearsoldandheisastudentofasecondaryschool.Butheworksafterschooleveryday.Hehasapart-timejob.Hehelpsatabigrestaurant.Carlgetsupat6inthemorning.Hedoesn’tliketogetupsoearly.Buthisfirstclassbeginat7.30a.m.Heusuallyhassomebread,anegg,anappleorabananaforhisbreakfast.Hismotherwantshimtohaveabigbreakfast.Afterthat,heandhisyoungsister,Tinagotoschool.Carlisatschoolfrom7.30to12.Hehaslunchat12.15withhisgoodfriendTim.Andthenhehasalittlerest.Intheafternoon,heworks.There’remanycustomersinhisrestaurantatlunchandsuppertimeandCarllikestohelpthem.Aftersupper,hehelpshisparentscleanthedishesinthekitchen.Thenhestudiesinhisbedroom.Hedoesn’twatchTV.Hegoestobedatabout11.30atmidnight.Hemustbeverytired.()1.Carlis__________________.A.awaiterinasmallrestaurant B.ateacheratschoolC.aworker D.astudent,buthehelpsinarestaurantafterschool()2.Carl____________________.A.worksinasmallrestaurant B.livesinasmallschoolC.studiesinasmallschool D.livesinabigcity()3.Carlstudiesatschool___________________aday.A.fourhours B.onehour C.fourhoursandahalf D.fourhoursandaquarter()4.Carlmustbeverytiredbecause__________________.A.hewatchestoomuchTV B.heworksandstudiesforalongtimeeverydayC.hehaslotsofdishestocleanD.heisill()5.Whichofthefollowingsentencesistrue?A.Carllikestohavemanythingsforhisbreakfast.B.Carl’smotherworksinarestaurant.C.TinaisCarl’syoungsisterandsheisastudent,too.D.Carl’sfatherdoesn’tdoanythingathome.(B)Haveyoufeltannoyedwhentelephoneringsduringtheclass?Somethingmustbedonetostopthis.NowinNewYorkCity,AnxiousparentssaythattelephonesareimportanttoolinholdingNewYorkcity’sfamiliestighter.“Iworryaboutit,”saidElizabethLorrisRitter,amotherofamiddleschoolkid.“It’snecessaryinoureverydaylife.Wehaveawashingmachine,wehaverunningwater,andwehavetelephones.”ManyAmericanparentsthinktelephonesconnectthemtotheirchildrenonbuses,gettingoutfromsubways,walkingthroughunknownplaces.“Ihavehercallmewhenshegetsoutofschool,”saidLindsayWalt,aschoolgirl’smother.“NobodyinNewYorkisgoingtolettheirchildgotoschoolwithoutatelephone.”Whataboutthetelephoneowners,thestudents?Mostofthestudentssaidtelephoneswereessentialandthetelephonewaslikeanextrahandorfootforthem.“Ifeelsoempty,”saidMayChou,14.“Thereisalsonowaytolistentomusiconthewaytoschoolwithoutmyphone.Itwillbeareally,reallyboringtrip.”()6.Youwillfeel_________whenyouhearatelephoneringinclass. A.annoyed B.excited C.happy D.bored()7.Youcanuseatelephone_________. A.toenjoylisteningtomusic B.toworkasrunningwaterC.toworkasawashingmachine D.toworkascomputer()8.Whichofthefollowingstatementsistrue? A.ManyAmericanparentsdon’tthinktelephonesarenecessaryforthestudents.B.Telephonesonlybringtroublestotheschoollife.C.Telephonesconnectchildrenwiththeirfamilieswhentheyareoutside.D.Telephonesarereallyuselessandcostalot.()9.Theunderlinedword“essential”means_________. A.fashionable B.interesting C.different D.necessary()10.Thisarticleisaboutthe_______incarryingout(开展)therulenottouseatelephoneinschool.A.happiness B.interest C.problem D.sadness(C)ManychildrenusetheInternettogetusefulknowledgeandinformation,andtorelaxintheirfreetime.Butsomeofthemarenotusingitinagoodway.HerearesomerulestomakesureyouaresafeandhavefunontheInternet.MakerulesforInternetusewithyourparents.Forexample,whenyoucangoonline,forhowlongandwhatactivitiesyoucangoonline.

Don’tgiveyourpassword(密码)toanyoneelse,andnevergiveoutthefollowinginformation---yourrealname,homeaddress,age,school,phonenumberorotherpersonalinformation.

Checkwithyourparentsbeforegivingoutacreditcard(信用卡)number.

Neversendaphotoofyourselftosomeoneine-mailunlessyourparentssayit’sOK.

Checkwithyourparentsbeforegoingintoachatroom.Differentchatroomshavedifferentrulesandattractdifferentkindsofpeople.Youandyourparentswillwanttomakesureit’sarightplaceforyou.

NeveragreetomeetsomeoneyoumetontheInternetwithoutyourparents’permission.Nevermeetanyoneyoumetonlinealone.

Alwaysrememberthatpeopleonlinemaynotbewhotheysaytheyare.Treateveryoneonlineasstrangers.

Ifsomethingyouseeorreadonlinemakesyouuncomfortable,leavethesite.Tellaparentorteacherrightaway.

Treatotherpeopleasyou’dliketobetreated.Neverusebadlanguage.

Remember：noteverythingyoureadontheInternetistrue.11.Thewritertellschildrento_________. A.sendtheirphotostohim B.makerulesforInternetusewithparents C.believeeverythingtheyreadontheInternet12.It’sgoodforchildrento_______ontheInternet. A.givepasswordtoothers B.getusefulknowledgeandinformation C.giveoutacreditcardnumber13.Whatshouldn’tbedonewhenyouareonline? A.Usingbadlanguage. B.Treatingeveryoneonlineasstrangers. C.Leavingthesiteifyoufeeluncomfortable.14.Ifyourparentsdon’tagree,never_______. A.readanythingontheInternet B.treatotherpeopleasyou’dliketobetreated C.haveaface-to-facemeetingwithanyoneyoumetonline15.Thebesttitleforthispassageis“_______”. A.HowtoUseComputers B.InformationontheInternet C.InternetSafetyRules(D)We’vetalkedaboutsnails(蜗牛)andtheirslowmove.Butmuchofthetimesnailsdon’tmoveatall.They’reintheirshells(壳)---sleeping.Hotsunwilldryoutasnail’sbody.Soattheleastsignofhotsun,asnaildrawsitsbodyintoitsshellandclosestheopeningwithathincover.Thenitgoestosleep.Asnailwilldieinaheavyrain.Sowheneveritrains,itgoesinsideitsshellhouseandgoestosleep.Asnailcansleepforaslongasitneedsto.Itcantakeashortsleep.Oritcansleepfordaysatatime.Anditspendsallthewintermonthsinitsshell,asleep.Inspringthesnailwakesup.Itsbody,aboutthreeincheslong,comesoutoffromtheshell.Whenhungry,thesnaillooksforfood.Itcan’tseeverywell.Itseyes,attheendsofthetopfeelers(触角)areveryweak.Butitssenseofsmellisverystrong.Ithelpsthesnailtothenewgreens.Thenthesnail’slittlemouthgoestowork.Asnail’smouthisnolongerthanthepointofapin(针).Yetithas256,000teeth!Theteetharesosmallthatyoucan’tseethem.Buttheydotheirwork.Ifyouputasnailinahardpaperbox,itwilleatitswayout.Andifasnailwearsoutitsteeth,itwillgrownewones.Mostly,asnaillooksforfoodatnight.Butoncloudydaysiteatsinthedaytime.Iteatsalldaylong.Asnailcangooneatingforhoursandneverfeelfull.16.Asnail.A.movesmoreslowlyinthedaytimeB.hasthousandsoffeetC.sleepsmuchofthetime17.Inthesentence“Asnaildrawsitsbodyintoitsshell”,theword“draw”means_________.A.tomakewithapenB.tokeepawayfrom C.topull18.Fromthestoryweknow_________.A.thesnail’sshellisverythin B.asnailcan’tseewell C.thesnail’snoseisquiteshort19.Asnailgoestosleepwhen_________.A.itfeelshungry B.itrainsheavilyC.springiscoming 20.Whichofthefollowinginnottrue?A.Asnaildoesn’tlikelivingunderthesunB.Inwinterthesnaildoesn’teatormoveC.Thesnail’steethcan’tbewornout.(E)Firstly,let’slearnthecontactor.Acontactorisanelectricallycontrolledswitchusedforswitchingapowercircuit.Generallyspeaking,acontactorisactivatedbyacontrolinputwhichisalower\o"Voltage"voltage/\o"Current(electricity)"currentthanthatwhichthecontactorisswitching.Contactorscomeinmanyformswithvaryingcapacitiesandfeatures.Contactorsvaryfromhavingabreakingcurrentofseveralampsand110voltstothousandsofampsandmanykilo-volts.Thephysicalsizeofcontactorsdiffersfromafewinchestothesizeofasmallcar.Thenlet’sknowthepurposeofcontactor.Usually,contactorsareusedtocontrolelectricmotors,lighting,heating,capacitorbanksandotherelectricalloads.Andnowlet’sseewhatacontractorconsistsof.Wecansay:acontactorconsistsof3differentsystems:contactsystem,electromagnetsystemandarccontrolsystem.Sodoyouknowtheirfunction?Inageneralway,thecontactsystemisthecurrentcarryingpartofthecontactor.Thisincludespowercontacts,auxiliarycontacts,andcontactsprings.Theelectromagnetsystemprovidesthedrivingforcetoclosethecontacts.FuseMaybeyouhavealreadyknownthatafuseistheeasiestandefficientprotectiveelectricalapparatusanditisdesignedforshortcircuitprotectioninmanycases.AlwaysweuseFUtostandforfuse.21.Acontactorisanelectricallycontrolledswitchusedforswitchinga____circuit.A.none B.secondary C.primary D.power22.Contactorsareusedtocontrolelectric____,lighting,heating,capacitorbanksandotherelectricalloads.A.none B.both C.generators D.motors23.Acontactorconsistsof3systems:contactsystem,____andarccontrolsystem.A.tough B.strong C.electromagnetic D.itdoesnotmention24.Thecontactsystemisthe____carryingpartofthecontactorA.gold B.resistance C.current D.voltage25.AlwaysweuseFUtostandfor____.A.inductor B.fuse C.resistor D.