汽车专业英语习题集分析解析.docx
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汽车专业英语习题集分析解析.docx
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汽车专业英语习题集分析解析
09汽车运用专业汽车专业英语习题集
练习题一
一、(每空1分,共20分)
单词互译A英译汉共10题每题一分
1、Automobile
2、Classification
3、Combustion
4、Chamber
5、Circulate
6、Crankshaft
7、Antifreeze
8、Carburetor
9、Mechanics
10、Air–fuelmixture
B汉译英共10题每题一分
1、连杆n.
2、点燃n.
3、简洁地adv.
4、(使)旋转v.
5、发动机n.
6、要求v.
7、输送v.
8、活塞n.
9、系统n.
10、气缸n.
二、词汇和语法(每小题1分,共20分)
1、The______ofpistonmovementiscalledTDC(topdeadcenter).
A、upperlimitB、lowerlimitC、limit
2、The______ofpistonmovementiscalledBDC(bottomdeadcenter).
A、lowerlimitB、upperlimitC、limit
3、A_____ispistonmovementfromTDCtoBDCorfromBDCtoTDC.
1
09汽车运用专业汽车专业英语习题集
state
C、stage、A、strokeB4、The_____isrotatedasthepistonispusheddownbythepressureaboveit.
A、crankshaftB、crankpinC、break
5、Theactions______canbedividedintofourstages,orstrokes.
A、takenplaceintheenginecylinder
B、takingplaceintheenginecylinder
C、takeplaceintheenginecylinder
6、Inotherwords,thepistoncompletesastroke_____itchargesitsdirectionofmotion.
A、everytimeB、eachtimeC、eachtimes
7、”Stroke”______pistonmovement.
A、refertoB、referstoC、preferto
8、Astrokeoccurs_______thepistonmovesfromonelimitingpositiontotheother.
A、whileB、whenC、which
9、BythetimethepistonreachesTDC,themixture________toaslittleasone-tenthofitsoriginal
volume,oroverless.
A、hadbeencompressedB、hasbeencompressedC、compressed
10、Whentheair-fuelmixtureiscompressed,________doesthepressureinthecylindergoup,______
thetemperatureofthemixture_______increases.
A、notonly…butalsoB、notonly…butandC、not…but
11、Thecylinderpressure________asmuchas3-5Mpaorevenmore.
A、goupB、increasesC、add
12.Butasthehigherpressuresiscalledupontowithstandverymuchgreaterstresses
higherpressuresincylinders.
A.becauseB.becauseofC.dueto
13.Thedieselengineismoreefficient,becauseithighercompressionratio.
A.haveB.hasC.had
14.Thisadvantagepreventsthedieselenginereplacingthegasolineengineinsomeautomobiles
andairplanes.
A.toB.forC.from
15.Inanyinternalcombustionengineburningfuelheatsairconsequently.
A.whichB.thatC.when
16.Weallknowthatdieselengines()workinthesamewayasgasolineenginedo.
2
09汽车运用专业汽车专业英语习题集
C.inturnA.inprincipleB.inotherwords
17.Upto40percentofthechemicalenergyoftheburningfuelchangedintomechanicalenergy.
C.maybeB.wouldbeA.willbe
waitingchargeattherequiredinstant.
18.Asitwere,into
C.the
A.aB.an
moresubstantialconstructionandisthusheavier.
19.Ithas
C.tobethat
B.tobeA.tobeof
20.Thesameseriesofeventstakeplaceagainandcontinuetheengineruns.
A.whenB.asC.aslongas
三、阅读与理解(20题,每题2分,共40分)
Part1
Theactionstakingplaceintheenginecylindercanbedividedintofourstages,orstroke.“Stroke”
referstopistonmovement;astrokeoccurswhenthepistonmovesfromonelimitingpositiontotheother.
TheupperlimitofpistonmovementiscalledTDC(topdeadcenter).Thelowerlimitofpistonmovement
iscalledBDC(bottomdeadcenter).AstrokeispistonmovementfromTDCtoBDCorfromBDCto
TDC.Inotherwords,thepistoncompletesastrokeeachtimeitchangesitsdirectionofmotion.
Wheretheentirecycleofeventsinthecylinderrequiresfourstrokes(ortwocrankshaftrevolutions),
theenginesiscalledafour-stroke-cycleengine,orafour-cycleengine.Thefourpistonstrokesareintake,
compression,power,andexhaust.
1.Whatdoweseefromtheparagraphs?
()
A.Whatisstroke?
B.Whatisengine?
C.Whatiscylinder?
2.WhichoneStatementistrueaccordingtheabovefirstparagraph?
()
A.Afour-stroke-cycleenginemeansthatfourstrokesisrequiredwhenitfinishthewholecycle.
B.AstrokeisnotpistonmovementfromTDCtoBDC,butfromBDCtoTDC.
C.ThelowerlimitofpistonmovementiscalledTDC(topdeadcenter).
3.WhatisBDCinthetermofautomobileindustry?
)(
A.Bottomdeadcenter.
B.Topdeadcenter.
C.NeitherofAandB.
4.WhichoneStatementisTRUEaccordingthelastparagraph?
)(
3
09汽车运用专业汽车专业英语习题集
A.Thefourstrokesoccurintwocrankshaftrevolutions.
B.Thefourstrokesoccurinfourcrankshaftrevolutions.
C.Thefourstrokesoccurinonecrankshaftrevolutions.
5.WhichoneStatementisTUREaccordingthearticle?
)(
A.Thefourpistonstrokesareintake,compression,power,andexhaust.
B.Thefourpistonstrokesareintake,compression,power,andinhauls.
C.Thefourpistonstrokesareintake,combining,power,andexhaust.
Part2
Powerstroke:
AsthepistonreachesTDConthecompressions
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