上海2025自考[大功率半导体科学]英语二模拟题及答案.docxVIP

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上海2025自考[大功率半导体科学]英语（二）模拟题及答案

第一部分：选择题（共20题，每题1分，计20分）

说明：下列每题均有一个最佳选项，请将选项字母填入括号内。

1.(1分)Thedevelopmentof______hassignificantlyimprovedenergyefficiencyinpowerelectronics.

A.silicon-basedtransistors

B.GaN(GalliumNitride)

C.SiC(SiliconCarbide)

D.vacuumtubes

2.(1分)InShanghaissemiconductorindustry,______iswidelyusedforhigh-frequencyswitchingapplications.

A.BJT(BipolarJunctionTransistor)

B.MOSFET(Metal-Oxide-SemiconductorField-EffectTransistor)

C.IGBT(InsulatedGateBipolarTransistor)

D.JFET(JunctionField-EffectTransistor)

3.(1分)______isacriticalfactorinreducingheatdissipationinhigh-powersemiconductors.

A.Lowercarriermobility

B.Higherbreakdownvoltage

C.Increasedleakagecurrent

D.Poorthermalconductivity

4.(1分)Shanghaissemiconductorclusteremphasizes______toenhancemanufacturingprecision.

A.batchprocessing

B.massproduction

C.advancedautomation

D.manualassembly

5.(1分)______isamajorchallengeinthedesignofpowersemiconductorsforautomotiveapplications.

A.Lowcost

B.Highthermalstability

C.Rapidswitchingspeed

D.Highradiationresistance

6.(1分)TheMadeinShanghaiinitiativepromotestheuseof______inpowerelectronicstoreducerelianceonforeignsuppliers.

A.traditionalsilicontechnology

B.next-generationwide-bandgapmaterials

C.outdatedvacuumtubetechnology

D.low-efficiencyresistivecomponents

7.(1分)______iscommonlyemployedinShanghaispowersemiconductortestingfacilities.

A.Opticalmicroscopy

B.X-raydiffraction

C.Halleffectmeasurement

D.Thermographicanalysis

8.(1分)TheShanghaiInternationalCircuitCity(SICC)primarilydealswith______.

A.rawsemiconductormaterials

B.finishedpowerdevices

C.semiconductorresearch

D.microelectronicsmanufacturing

9.(1分)______isakeyadvantageofGaN-basedsemiconductorsinShanghaissmartgridprojects.

A.Lowercost

B.Higherefficiency

C.Simplerdesign

D.Better