电工电子专业英语 教学课件 作者 徐红梅 Unit1,2.pptx

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1、电工电子专业英语Ⅰ.Answerthefollowingquestions.1.Whatcanelectricitydoforus?2.Whyiselectricitythemostusefulenergyinoureverydaylife?3.Howmanytypesisdynamicelectricityof?4.Iselectricitydangerous?5.WhatareACandDC?Ⅱ.Arethefollowingstatementscorrect?Ifthesentenceiscorrect,say“True”aloud,ifnot,say“Fal

2、se”.1.Weuseelectricityeveryday.2.Electricityisnotthemostusefulenergyinoureverydaylife.3.Neonlightingisdangerousinmoderncities.4.Electricityisusefulifitisproperlyhandled.5.Peoplemaygetanelectricshockiftheyuseelectricity.Ⅲ.TranslatethefollowingsentencesintoChinese.1.Electricityisthemostu

3、sefulenergyinoureverydaylife.2.Weusedynamicelectricityinindustryandinourlife.3.Undercontrolelectricitycandoworkforus.4.Butelectricitycanbedangerousifitisnotproperlyhandled.5.Itsuppliespowerandgivesusheatandlight.ExercisesⅠ.Answerthefollowingquestions.1.Whatdoesthefieldofelectronicsincl

4、ude?2.What?stherelationshipbetweenelectronicsandelectricity?3.WhataretheadvantagesofIC?4.Whoinventedtheelectrontube?5.Whataretransistorsmadefrom?Ⅱ.Arethefollowingstatementscorrect?Ifthesentenceiscorrect,say“True”aloud,ifnot,say“False”.1.Electrontubesaremoreusefulthantransistors.2.Theea

5、rlytransistorsweremadefromgermanium.3.Thefieldofelectronicsdoesn?tincludeintegratedcircuit.4.Thebasicprinciplesofelectricityarenotcommontoelectronics.5.ElectrontubewasinventedbyFlemingin1904.Ⅲ.TranslatethefollowingsentencesintoChinese.1.Electronicsisabranchofelectricity.2.Transistorsar

6、emadefromthreelaysofsemiconductors.3.Theadvantagesofanintegratedcircuitareasfollowings.4.Theearlytransistorsweremadefromgermanium.5.ICisacombinationofafewinterconnectedcircuitelementssuchastransistors,diodes,capacitorsandresistors.Ⅳ.PutthefollowingexpressionsintoChinese.1.basicprincipl

7、e2.electrontube3.integratedcircuit4.electroniccomponent5.powerdissipation6.electronicsystem7.thefieldofelectronics8.germaniumtransistor