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Module6TheInternetandTelecommucationsA/AN的用法1.表示“某种类别当中的一个”，“该类中的一例”Acatisananimal.猫是一种动物。He’saFrenchman.他是个法国人。2.第一次提到某物Ilookedupandsawaplane.我抬头看见了一架飞机.3.用在称呼前，含有“我不认识．．．的感觉”AMr.Smithiswaitingtoseeyou.一位史密斯先生正等着要见您。4.可以表示量度单位，＂每．．．＂40kman/perhour每小时40公里twicea/perday每天两次5.与可数名词连用位于what,such之后，表示感叹，或强调程度Whatasurprise!真是让人吃惊。Mybossissuchafool!我的老板这么蠢。6.用在形容词最高级前，相当于very。Thisisamostusefuldictionary.这是一本非常有用的字典。7.用在序数词前面表示“再一次，又一次”。Tenyearsafterthedeathofherhusband,shegotmarriedforasecondtime.在她丈夫去世十年后，她再次结婚了。8.用在many,quite,rather,such,twice,what等词后面，构成短语。It’squiteaproblem.这是一个相当难的问题。I’veneverseensuchanexcitingfootballmatchbefore.我以前从来没见过这么精彩的比赛。9.注意区分a/an：一般来说，an用在元音前，a用在非元音前。但注意下面的特殊例子。aEurope(European,one-waystreet,union,university,usefultool,usualway…)anhonestman(hour,honor,a,e,h,i,l,m,n,o,r,s,x…)an80-metre-high-tower1.特指双方都明白的人或物.Takethemedicine.把药吃了。2.上文提到过的人或事：Heboughtahouse.I'vebeentothehouse.他买了幢房子。我去过那幢房子。3.指世上独一物二的事物.thesun，thesky，themoon，theearth4.单数名词连用表示一类事物.thedollar美元;thefox狐狸；或与形容或分词连用，表示一类人：therich富人;theliving生者。5.用在序数词和形容词最高级，及形容词only，very，same等前面：Wheredoyoulive?Iliveonthesecondfloor.你住在哪？我住在二层。That'stheverythingI'vebeenlookingfor.那正是我要找的东西。6.与复数名词连用，指整个群体.Theyaretheteachersofthisschool.(指全体教师)Theyareteachersofthisschool.(指部分教师)7.表示所有，相当于物主代词，用在表示身体部位的名词前.Shecaughtmebythearm.她抓住了我的手臂。8.用在某些由普通名词构成的国家名称、机关团体、阶级、等专有名词前.thePeople'sRepublicofChina中华人民共和国theUnitedStates美国9.用在表示乐器的名词之前.Sheplaysthepiano.她会弹钢琴。10.用在姓氏的复数名词之前，表示一家人.theGreens格林一家人(或格林夫妇)11.用在惯用语中.intheday,inthemorning(afternoon，evening),thedayaftertomorrowthedaybeforeyesterday,thenextmorning,inthesky(water，field，country)inthedark,intherain,inthedistance,inthemiddle(of),intheend,onthewhole,bytheway,gotothetheatre12.和表示数量的名词连用，表示“以．．．为单位”Eggsaresoldbythedozen.鸡蛋按打来卖。Heispaidbythehour/theday/week/month.他按小时/天/周/月来付酬。13.用在逢十的复数数词之前，指世纪中几十年代inthe1870’s十九世纪七十年代,1.表示泛指或一般概念.Snowiswhite.雪是白的。Thesnowintheyardisverythick.院子里的雪很厚。2.用在泛指的一日三餐前.Haveyouhadbreakfast/lunch/dinner?你吃早饭/午饭/晚饭了吗？Thebreakfastwaswellcooked.这顿早饭做得好。3.用在球类，棋类之前Let’sgoandplayfootball.我们去踢足球吧。Howabouthavingagameofchess,John?约翰，咱们下盘棋好吗？4.用在称呼语及表示家庭成员（常大写）的名词之前Tomasked,“Where’sFather/Mother/Aunt?”汤姆问，“爸爸/妈妈/姑姑在哪儿？”5.在表语，补足语，同位语中，表示独一无二的职位或头衔Who’scaptainofyourteam?谁是你们队长？Hewaselectedmonitorofourclass.他被选为班长GeorgeBush,presidentoftheUnitedStates…美国总统布什…6.用在表示学科的名词之前。English,Chinese,mathematics…7.在独立结构中和一些特殊结构中Thehunterenteredtheforest,guninhand.猎人手拿着枪，走进了森林。Childasheis,heknowsalotaboutthehistoryofChina.他虽然是个孩子，却对中国历史了解很多。8.用在某些习惯用语中gotoschool(college,hospital,class,church,bed…)bybike,(bus,train,car,boat,ship,plane,air…)atsunrise,(sunset,noon,night,midnight)1.Aliceisfondofplaying______pianowhileHenryisinterestedinlisteningto______music.A./,theB./,/C.the,/D.the,the2.AlexanderGranderBellinvented______telephonein1876.A./B.aC.theD.one3.---Where’sJack?---Ithinkhe’sstillin______bed,buthemightjustbein______bathroom.A./,/B.the,theC.the,/D./,the4.Manypeoplearestillin______habitofwritingsillythingsin______publicplaces.A.the,theB./,theC.the,/D./,/5.Sheis______newcomerto______chemistry,butshehasalreadymadesomeimportantdiscoveries.A.the,theB.the,/C.a,/D.a,the6.Wouldn’titbe______wonderfulworldifallnationslivedin______peacewithoneanother?A.a,/B.the,/C.a,theD.the,the7.Manypeopleagreethat______knowledgeofEnglishisamustin______internationaltradetoday.A.a,/B.the,anC.the,theD./,the8.---Haveyouseen______pen?Ileftitherethismorning.---Isit______blackone?IthinkIsawitsomewhere.A.a,theB.the,theC.a,aD.the,a9.Papermoneywasin______useinChinawhenMarcoPolovisitedthecountryin______thirteenthcentury.A.the,/B.the,theC./,theD./,/10.Mostanimalshavelittleconnectionwith______animalsof______differentkindunlesstheykillthemforfood.A.the,aB./,aC.the,theD./,the11.______coffeethatwedrankjustnowwasgiventousby______Jacksons.A./,/B.The,/C./,theD.The,the12.Irememberhelivesin______south,soweshouldn’tbewalking______south.A./,/B./,theC.the,/D.the,the13.Theyspent______gettingtheproblemsettled.A.soalongtimeB.quitealongtimeC.quitelongatimeD.suchlongatime14.______People’sRepublicofChinahasopeneditsdoorto______restof______world.A.The,/,theB./,the,theC.The,the,theD./,/,the15.Yourshoesandmineare______.A.ofsizeB.inasizeC.samebigD.ofasize