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1、Keys:第一章科技英语阅读第一节科技英语主要特点I.1.ThefirstthreesentencesinPassageOneareallconstructedwithpassivevoicewhilethefirstthreesentencesinPassageTwoareconstructedwithactivevoice.Therefore,thelanguageinPassageOnesoundsmoreformalandobjectivethanthatofPassageTwo.2.ThewordsspokenbyShe
2、ilainPassageTwoareinformal.Examples:"There'sRaviatthehomeofthatAmericandoctor."(Contractedform);"Awonderfulguy."(Incompletesentence);"Ravilookssweet,doesn'the?"(Questiontag).3.InthesecondparagraphofPassageOne,"it"refersto"touseinsecticideregularly,onaverylargescale."4
3、.InthesecondparagraphofPassageTwo,"through"means"finish"or"complete."5.PassageOneiswrittenforacademicpurposeandPassageTwomainlyforentertainment.II.PassageOneAblastofhotairissentintothebottomofthefurnacetomakethecokeburnfiercely.Itisblownintothefurnacethroughpipes.Thes
4、epipesareinstalledaroundthecircumferenceoftheblastfurnaceeightfeetabovethebottom.Whilethecokeisburningandironismelting,gasisformedatthetopofthechamber.Thisisledofffromthetopofthefurnacetobeused.Itcontainscarbonmonoxide,whichiscombustible.Partofthisgasisusedformakingth
5、eairblasthot.Itisledoffintostoves.PassageTwoAllelementsarecomposedofdiscreteunitscalledatoms,whicharethesmallestparticlesthatexhibitthecharacteristicsoftheelement.Atomsaretinyunitsofmattercomposedofpositivelychargedprotons,negativelychargedelectrons,andelectricallyneu
6、tralneutrons.Protonsandneutrons,whichhaveapproximatelythesamemass,areclusteredinthenucleusinthecenteroftheatom.Electrons,whicharetinyincomparisontotheotherunits,orbitthenucleusathighspeed.Atomsthathaveanequalnumberofelectronsandprotonsareelectricallyneutral.Thosethath
7、avegainedorlostelectrons,andthereforearepositivelyornegativelycharged,arecalledions.第二节科技、半科技英语专业术语I.1.D(自动驾驶仪)2.F(生物钟)3.I(热核的)4.G(地热的)5.B(微波)6.J(放射疗法)7.E(光周期)8.A(超导体)9.H(远距离操纵器)10.C(超显微/滤过性病毒)II.1.一位从事航空医学研究的医生2.防止计算机犯罪的措施3.一种新型除霜器4.一个用光电池驱动的玩具5.一辆装有自动报警器的汽车6.隔音材料7.一
8、种广泛使用的杀虫剂(农药)8.用放射性碳做的试验9.电信业的发展10.一台通用机床III.1.in-(Inorganic)2.radio-(radioactive)3.hydro-(Hydrotherapy)4.-free(caffeine-fre