绵阳中学自主招生模拟试题

1、数学素质考查卷4.选择题：（本大题共12个小题，每个4分，共48分，将所选答案填涂在机读卡上）1、下列因式分解中，结果正确的是（A.x2yySy(x2y2)B.4=(x22)(x-0(x2)21C.x-x_1=x(x-1)xD.1(a-2)=(a-1)(a-3)2、“已知二次函数y=ax2Exc的图像如图所示，试判断0的大小.”一同学是这样回答的：“由图像可知：当x时y.0，所以abc<0.”他这种说明问题的方式体现的数学思想方法叫做（）A.换元法B.配方法C.数形结合法D.分类讨论法3、已知实数x满足x2丄*-丄=4,则4-丄的值是（）xxxA.-2B.1C.-1或2D.-2或14、若

2、直线y=2x一1与反比例函数y的图像交于点P（2,a），则反比例函数y的xx图像还必过点（）A.(-1,6)B.(1,-6)C.(-2,-3)D.(2,12)5、现规定种新的运算：“*”：m*n=(mn)m“，那么-*-=()22A.§B.5C.3D.9B.150°C.160°6、一副二角板，如图所示叠放在一起，则.AOB.COD=（）A.180°D.1707、某中学对2005年、2006年、2007年该校住校人数统计时发现，2006年比2005年增加20%2007年比2006年减少20%那么2007年比2005年（）A.不增不减B.增加4%C.减少4%

3、D.减少2%&一半径为8的圆中，圆心角9为锐角，且3，则角。所对的弦长等于（）2A.8B.10C.82D.169、一支长为13cm的金属筷子（粗细忽略不计），放入一个长、宽、高分别是4cm3cm16cm的长方体水槽中，那么水槽至少要放进（）深的水才能完全淹没筷子。A.13cmC.12cmD.T53cm10、如图，张三同学把一个直角边长分别为桌面上翻滚（顺时针方向），顶点A的位置变化为A>A>A2，其中第二次翻滚时被桌面上一小木块挡住，使纸板3cm,4cm的直角三角形硬纸板，在一边ACi与桌面所成的角恰好等于ZBAC，则A翻滚到A2位置时共走过的路程为（）A.8.2cmB.8

4、-cmC.229cmD.4-cm11、一辆汽车从甲地幵往乙地，幵始以正常速度匀速行驶，但行至途中汽车出了故障，只好停下修车，修好后，为了按时到达乙地，司机加快了行驶速度并匀速行驶。下面是汽车行驶路程S（千米）关于时间t（小时）的函数图象,那么能大致反映汽车行驶情况的图像是（）ABCD12、由绵阳出发到成都的某一次列车，运行途中须停靠的车站依次是：绵阳I罗江T黄许T德阳T广汉T清白江T新都T成都.那么要为这次列车制作的车票一共有（）A.7种B.8种C.56种二.填空题（共6个小题，每个小题4分，共24分你所得答案填在答卷上）13、根据图中的抛物线可以判断:D.28种014、函数时，y随x的增大而

5、减小;时，y有最小值。Mx+2y二一2yx2x-2中，自变量x的取值范围是15、如图，在圆0中，直径ab=10,C,D是上半圆Ab上的两个动.点。弦AC与BD交于点E，贝卩AEACBEBD=B16、下图是用火柴棍摆放的A1个、2个、3个六边形，那么扌个六边形，需要火柴棍根。17、在平面直角坐标系中，平行四边形四个顶点中，有三个顶点坐标分别是（-2，5）（-3，-1），（1,-1），若另外一个顶点在第二象限，则另外一个顶点的坐标是18、参加保险公司的汽车保险，汽车修理费是按分段赔偿，具体赔偿细则如下19、（10分）先化简，再求值:表。某人在汽车修理后在保险公司得到的赔偿金额是2000元，那么此人

6、的汽车修理费x元赔偿率0<x<50060%500wxc100070%1000Ex<300080%汽修理费是元.三.解答题（共7个小题，满分78分，将解题过程写在答卷上）32x10亠5xx2x2x4x-2xx-2其中x-22.2-12(tan45cos30)°.20、（10分）在ABC中，/C=90,AC=丄BC.以BC为底作等腰直角BCD，E是CD2的中点，求证：AE_EB.21、（10分）绵阳中学为了进一步改善办学条件，决定计划拆除一部分旧校舍，建造新校舍。拆除旧校舍每平方米需80元，建造新校舍每平方米需要800元，计划在年内拆除旧校舍与建造新校舍共9000平方米

7、，在实施中为扩大绿化面积，新建校舍只完成了计划的90%而拆除旧校舍则超过了计划的10%，结果恰好完成了原计划的拆、建总面积。（1）求原计划拆、建面积各是多少平方米？（2）若绿化1平方米需要200元，那么把在实际的拆、建工程中节余的资金全部用来绿化，可绿化多少平方米?22、（10分）已知直线y=xa与y轴的负半轴交于点A，直线y二工x8与x轴交于点B，与y轴交于点C,AO:CO=7:8（O是坐标原点），两条直线交于点P.（1）求a的值及点P的坐标；（2）求四边形AOBP的面积S.23、（12分）如图：已知AB是圆O的直径，BC是圆O的弦，圆O的割线DEF垂直于AB于点G，交BC于点H,DC=DH

8、.（1）求证：DC是圆O的切线；（2）请你再添加一个条件，可使结论BH2二BGBO成立，说明理由。（3）在满足以上所有的条件下，AB=10,EF=8.求sin.A的值。24、（12分）如图，菱形ABCD的边长为12cm,.A=60，点P从点A出发沿线路ABBD做匀速运动，点Q从点D同时出发沿线路DCCB-.BA做匀速运动.（1）已知点P,Q运动的速度分别为2cm/秒和2.5cm/秒，经过12秒后，P、Q分别到达M、N两点，试判断AMN的形状，并说明理由；（2）如果（1）中的点P、Q有分别从M、N同时沿原路返回，点P的速度不变，点Q的速度改为vcm/秒，经过3秒后，P、Q分别到达E、F两点，若B

9、EF与题（1）中的.AMN相似，试求v的值.25、（14分）在ABC中，.C=90,AC,BC的长分别是b,a，且cotB=ABcosA.（1）求证:ba;(2)若b=2,抛物线y=m(x-b)2a与直线y=x4交于点M(x“yj和点，MON的面积为6（O是坐标原点）.求m的值;（3）若二绘卩_q_3=0，抛物线y=n（x2-px3q）与x轴的两个交点中，一个b交点在原点的右侧，试判断抛物线与y轴的交点是在y轴的正半轴还是负半轴，说明理由英语素质考查卷（120分钟）I卷I. 听力（共20小题；每小题1.5分，满分30分）第一节：听下面5段对话。每段对话后有一个小题，从题中所给的A，B，C三个选

10、项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒中的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1. Whenshouldthewomangotothezooaccordingtotheman?A. OnSundayafternoon.B.OnSaturdayafternoon.C.Onaweekday.2. Wherearethetwospeakers?A. lnahotelB.AtadinnertableC.Inthestreet.3. Whatarethetwospeakers?A. Abusdriverandapassenger.B.Apolicemanan

11、dadriver.C.Ataxidriverandapassenger.4. WhatwilltheweatherbelikeonThursday?A. Rainy.B.Fine.C.Cold.5. Whatdoesthemansuggest?A.Comebackforalatershow.B.Waitinaqueue.C.Comebackinfiveminutes.第二节：听下面5段对话或独白。每段对话或独白后有几个小题，从每题所给的A，B，C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话或独白前，你将有时间阅读各小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话

12、或独白读两遍。听第6段材料，回答第6至8题。6. Whatdoesthemanfirstinvitethewomantodo?A. Goshopping.B.Goswimming.C.Gotothecinema.7. Whenwillthetwospeakersgooutforsuppertogether?A. OnFridayevening.B.OnSaturdayevening.C.OnSundayevening.8. Whenandwherewillthemanpickupthewoman?A. Atsevenatherhouse.B.Atsixatherhouse.C.Atfiveat

13、heroffice.听第7段材料，回答第9至11题。9. Whatisthepossiblerelationshipbetweenthetwospeakers?A. Theyarefriends.B. Theyarestrangers.C. Theyareworkersinthesamecompany.10. WhereisJimgoing?A.Goingtothecinema.B.Goinghome.C.GoingtowatchTV.11. Whattimeofthedaydoyouthinkitis?A.Inthemorning.B.Atnoon.C.Intheevening.听第8段材料

14、，回答第12至14题。12. Whyhasn'tKatseenJohnrecently?A. Hewentoncamping.B. Hewasvisitinghisbrother.C.He'sbeenstudying.13. WhydidKatesuggestJohncamping?A.Johncangetintouchwiththenature.B. Johncanhaveagoodrest.C. Johncangotomanyparks.14. WhatdidJohnthinkofcamping?A.Campingwasveryexpensive.B. Theycouldc

15、ampanywheretheywanted.C. Campingwasnotsafe.听第9段材料，回答第15至16题。15. Wheredidtheconversationtakeplace?A.InItaly.B.InAmerica.C.InChina.16. Whatdidthemanenjoymostduringtheholiday?A.Meetingwithhisrelatives.B. Beingtogetherwithhiswifeandhisdaughter.C. Visitingfriends.听第10段材料，回答第17至20题。17. Whatisthespeaker?A.

16、Anassistanttohelporganizetheplay.B. Thedirectoroftheschoolplay.C. Chairmanofthestudents'union.18. Whatwillthepeoplebeaskedtodo?A. Toactintheschoolplay.B. Tohelporganizetheschoolplay.C. Todirecttheschoolplay.19. Whatcanwelearnaboutthepeople'swork?A. Maybetheywillworkatnight.B. Theywillworkint

17、hedaytime.C. Theywillworkeveryday.20. Whatwillthespeakerdoafterthespeech?A. Answerquestions.B.Setupthelights.C. Watchtheirperformance.II.选择填空（共15小题，共15分）从A、B、C、D四个选项中，选出可以填入各题空白处的最佳选项。21. Toourgreat,thebeautifulsingercouldsingalotofEnglishsongs.A. surpriseB.surprisedC.surprisingD.surprisingly22. Mak

18、inggooduseofataperecorderwillhelpyoutobadpronunciation.A. giveinB.giveoutC.giveawayD.getridof23. Whatdoyouthinkoftheplace?Ididn'tcareforitatfirst,butaftertimeIgottolikeit.A./;theB.the;aC./;aD.a;the24. ShallIsitatthisendoftheboatortheotherend?Ifyoukeepstill,youcansitat.A. neitherB.eitherC.allD.an

19、y25. Attheschoolmeeting,theheadmastersuggestestheteachersreceive_educationtocatchupwiththedevelopment.A. farther;lateB.farther;latestC.further;lateD. further;latest26. Becarefulwhenyougetorthebus?A.on;offB.up;downC.in;outD.over;below27.Susanisout.Iwonderhowlongago.A.didshegoB.shehasleftC.sheleavesD.

20、sheleft28. Iusuallygotherebytrain.Whynotbyplaneforachange?A.totrygoingB.trygoingC.totryandgoD.tryingtogo29. Thinkhard,you'llgetagoodidea.A.butB./C.andD.yet30. Theylosttheirwayintheforest,andmadematterworsewasthatnightbegantofall.A.whichB.whatC.itD.that31. Haveyoutraveledmuch?No,I'vedonetrave

21、ling.A.fewB.smalllC.littleD.less32. Shalllgohomenow?No,you.Yourworkhasn'tbeenfinishedyet.A. needn'tB.mustn'tC.won'tD.wouldn't33. Don'tdoanythingunlessIask.A.youtoB.youC.ofyouD.youtodo34. IfailedintheEnglishtest.Don'tloseheart.Tryagain.A.You'retooslowB.I'msorrytohe

22、arthatC.NothingtoworryaboutD.I'mangrywithyou.35. Whodoyouthinkknowsthenews?NobodybutTomandJaneit.A.knowB.knowsC.haveknownD.isknownIII. 完形填空（本题有20小题，每小题1.5分，共30分）阅读下面短文，掌握其大意，然后从ABC、D四个选项中选出可以填入空白处的最佳答案。Allbigcitiesarequitesimilar.36inamodernAsiancityisnot37livinginan_Americancity.Thesamecannotbe

23、saidaboutlivingonfarms,38._Inmanypartsoftheworld,farmersandtheirfamiliesliveinvillagesor39._IntheUnitedStates,however,eachfarmfamilylives40itsowniields,oftenoutofthesightofany41.Insteadoftravelinginthemorningfromtheir42tothefiel_deveryday,Americanfarmersoften43onibeirlandthroughouttheweek.Theytravel

24、tothenearesttownonSaturdaysfor44oronSundaysforchurch.Thechildren45onbusestolargeschoolswhich46aipfthefarmfamilieslivinginthearea.ln47areas,therearesmallschoolsforafewfamilies,andthechildren48toschool._Butlife49foreveryone,ofcourse,includingthefarmers.50therearecars,goodroads,radios,andtelevisionsets

25、.51ofcoursetherearemodernmachinesforfarming.Allofthesehavechangedfarmlife.Formanyyears,however,farminginAmericawas52appelywayofliving.Farmershadto53theirownproblemsallbythemselves,insteadofgetting54fromoth§_rs.Astimewentontheylearnedtotrynewways,andtrusttheirownideasinsteadoffollowing55ways.B.

26、LivingC.FarmingD.WorkingfarasB.asdifficultasC.verydifferentfromD.aseasyasrunbyB.tripC.dinnerD.shoppingB.rideC.sitD.lieB.arenearC.serveD.workforB.theseC.mostD.someB.goC.comeD.runB.howeverC.nowD.ofcourseB.bigcitiesC.streetsD.housesB.acrossC.nearD.betweenB.neighboursC.friendsD.cattleB.farmC.fieldD.vill

27、ageB.sleepC.stayD.dependnoteasyB.keepschangingC.ishardD.isfunnyB. UsuallyC.TodayD.SometimesB. ThereforeC.ButD.AndB. oftenC.neverD.foreverB. repliesC.dealwithD.workoutB. repliesC.thanksD.helpB. olderC.otherD.modernIV. 阅读理解（共20小题，每小题2分，共40分）阅读下面短文，从每题所给的AB、C、D四个选项中选出最佳选项。APlantsareveryimportantlivingt

28、hings.Lifecouldnotgoiftherewerenoplants.Thisisbecauseplantscanmakefoodfromair,waterandsunlight.Animalsandmancannotmakefoodfromair,waterandsunlight.Animalsgettheirfoodbyeatingplantsandotheranimals.Soanimalsandmanneedplantsinordertolive.Thisiswhywefindthattherearesomanyplantsaroundus.Ifyoulookcarefull

29、yattheplantsaroundyou,youwillfindthattherearetwokindsofplants:floweringplantsandnon-floweringplants.Floweringplantscanbearseeds.Theseedsareprotectedbythefruits.Somefruitshaveoneseed,somehavetwo,threeorfour,andsomehavemanyseeds.Butafewfruitshavenoseedsatall.Anexampleofafruitwithoutseedsisthebananafru

30、it.Mostnon-floweringplantsdon'tgrowfromseeds.Theygrowfromspores.Sporesarevery,verysmall.Somesporesaresosmallandlightthattheycanfloatintheair.Wemaysaythatsporesarequitethesameastheseeds.Whenthesesporesfallonwetandshadyplaces,theyusuallygrowintonewplants.56. Themainideaofthepassageisthat.A. plants

31、areimportantforlifeB.plantscannotgrowwithoutairC. therearemanyplantsaroundusD.wecannotlivewithoutwater.57. WhichofthefollowingisNOTtrue?A. Plantscanbedividedintotwomaintypes:floweringplantsandnon-floweringplants.B. Allfruitshaveseedsinthem.C. SeedsareprotectedbythefruitsD. Someplantsgrowfromspores.5

32、8. Theword“non-flowering”inthispassagemeans.A. 幵花的B.有花的C.多花的D.不幵花的BIntheUnitedStates,mostchildrenbeginattendingschoolwhentheyare5yearsold.Publiceducationisfreeandmostchildrengotolearntoreadandwrite.Buttheyalsoplaygamesandgoontrips.Thereisnoreasonatsuchanearlyageforthemtohitthebooks.Thesituationchang

33、esaschildrenbecomeolder.Thesubjectsbecomemoredifficult.Studentsmustlearnaboutworldhistory,algebra(数）,andthelifesciences.Testsbecomemorecommon.Pressureisgrowingtohitthebooks,studyhard,andadvance.However,mostseriousstudentsonlyreallybeginhittingthebooksforlonghourswhentheyreachhighschool.Highschoolstu

34、dentswhohopetocontinuetheireducationatacollegeoruniversitymusttakeaspecialnationaltestcalledtheS-A-T.Thetesthastwoparts.Thefirstpartteststhestudents'abilitywithnumbersandmathematicalskills.Thesecondpartteststhestudents'abilityintheEnglishlanguage.TheS-A-Ttestisveryimportant.Ahighschoolstuden

35、twhogetsahighscoreonthetwopartsofthetesthasagoodchancetoenteratopAmericancollege.Forthisreason,manystudentshitthebooksformonthstopreparefortheS-A-T.59. Fromthetext,wecansee“hittingthebooks”means.A. workinghardforthefutureB.studyingasubjectcarefullyC. readingbooksinahurryD.readingbookswithgreateffort

36、60. Whichofthefollowingstatementscanbestexpressthemainideaofthetext?A. TheS-A-Tisthemostimportanttest.B. EducationisnoteasyintheUnitedStates.C. “Hittingthebooks”isveryimportantforthestudentswhowanttohaveabrightfuture.D. Themoreyouwanttolearn,themoretestsyouhavetopass.61. Americanchildrendon'thav

37、eiftheywanttostudyinpublicschooB.topayfortheeducationl.A.toworkhardattheirlessonsC.tohitthebooksD.totakemanytests62. Thestudentsinhighschool.A.havetotaketheS-A-TB. arefreeandhappyC. havetohitthebooksiftheywanttogoontocollegeD. don'thitthebooksuntiltheypasstheS-A-T63. WhichofthefollowingisNOTtrue

38、accordingtothetext?A.InAmericathestudentshavetopasscertainteststocontinuetheireducationB. Youngchildrenneedn'tworkhardattheirlessonsbecauseeducationisfree.C. ThosewhofailintheS-A-Tcannotgotocollege.D. ThestudentsmustspendalotoftimepreparingfortheS-A-T.CAnotherReasonItwasaquietvillageinwhichthere

39、wasamilitarycamp.Itwasfarfromthetownsandcitiesandthereweresomehighmountainsaround.Ofcourseitwasagoodplacefortrainingthenewsoldiers.Butitwasdifficultfortheyoungmentogo,anofficerofforty,wasstrictwiththemandhehardlyletthemleavethecamp.OnceMr.Whitewasillinbed.Hecouldn'tworkandayoungofficer,Mr.Hunt,b

40、egantotrainthenewsoldiersinsteadofhim.Heknewtheyoungmenwellandletninesoldiersgotothenearesttowntohaveaholiday.Butnightfellandnonecamebacktothecamp.Hewasworriedaboutitandstoodatthegate.ItwasfivetotwelvewhenMr.Huntdecidedtogotothetownandseewhatwashappeningwiththeyoungmen.Hestartedthecarquicklyandsetof

41、f.Atthatmomenttheninesoldierscameback.Itseemedtheywerealldrunk.Ofcoursetheyfoundtheofficerwasangry.“I'msorry,sir”saidthefirstsoldier.“Ileftthetownontime,Butsomethingwaswrongwithmybusonmywayhere.Ihadtobuyahorseandmadeitrunfast.Badluck!ItdiedandIhadtorunback.”Andtheothersevensoldierssaidtheywerela

42、teforthesamereason.Itwasthelastsoldier'sturn.Hesaid,“I'msorry,sirgotonabusontime,but”Havingheardthis,theofficerbecameevenangrierandstoppedhimatonce.Hecalledout,“Ifyousaysomethingwaswrongwithyourbus,I'llpunishyouatonce!”“No,no,sir,”saidtheyoungman.“Mybuswasallright,butthedeadhorseswereini

43、tsway!”64. Themilitarycampwasbuiltinthevillageto.A. stopthesoldiersgoingtotownsB. stopthesoldiersmeetingtheirfriendsC. trainnewsoldiersD.maketheyoungmenlivequietly.letninesoldiershaveaholidaybecause.A.hewaskindtothemB.theyfeltlonelyC. theyhadsomethingimportanttodoD.theywerethebestofall66. Theninesol

44、diersreturnedtothecamplatebecause.A. somethingwaswrongwiththeirbusesB. theirhorsesdiedontheirreturnwayC. ittookthemmuchtimetorunbackD. theyallhaddrunktoomuchinthetown67. Whichanswerdoyouthinkisright?A.Theofficeronlybelievedthelastsoldier.B. Theofficerbelievedtheninesoldiers.C. Theofficerbelievednone

45、ofthesoldiers.D. Theofficerwouldn'tpunishhissoldiers.D“Ifyouwanttoseeathingwell,reachoutandtouchit!”Thatmayseemastrangethingtosay.Buttouchingthingscanhelpyoutoseethembetter.Youreyescantellyouthatglassballisround.Butbyholdingitinyourhands,youcanfeelhowsmoothandcooltheballis.Youcanfeelhowheavytheg

46、lassis.Whenyoufeelalltheseabouttheball,youreallyseeit.Withyourskin,youcanfeelbetter.Forexample,yourfingerscantellthedifferencebetweentwocoinsinyourpocket.Youcanfeelalittledropofwateronthebackofyourhand,too.Youcanalsofeelsoundsagainstyourskin.Haveyoueverwantedtoknowwhysomepeoplelikeveryloudmusic?They

47、mustliketofeelthesoundsofmusic.Allchildrensoonlearnwhat“Don'ttouch!”means.Theyhearitoften.Yetmostofuskeepontouchingthingsaswegrowup.Inshops,wetouchthingswemightbuy,suchasfood,clothesandsoon.Toseesomethingwell,wehavetotouchit.Thebottomsofourfeetcanfeelthings,too.Youknowthiswhenyouwalkonwarmsand,c

48、oolgrassorabadfloor.Allfeeldifferentunderyourfeet.Therearewaysoflearningtoseewellbyfeeling.Onewayistocloseyoureyesandtrytofeeleverythingthatistouchingyourskin.Feeltheshoesonyourfeet,theclothesonyourbody,theaironyourskin.Atfirst,itisnoteasytofeelthesethings.Youaretoousedtothem!Mostmuseumsarejustforlo

49、oking.Buttodaysomemuseumshavesomethingtotouch.Theirsignssay,“Dotouch!Thereyoucanfeeleverythingonshow.Ifyouwanttoseebetter,reachoutandtouch.Thenyou'llreallysee!”68. Bytouchingthings.A.youwillhaveastrangefeelingB.youwilllearnhowtoreachoutC. youcantellthedifferencebetweenthemD. youcantellwhatcolors

50、theyare69. Whichofthefollowingcanbethebesttitleofthepassage?A.TouchingbyFeelingB.ToSeeortoFeelC. ToSeeBetterFeelD.WaysofFeeling70. Whenpeoplebuythingsinshops,theyoften.A.trythemonfirstB.puttheirrighthandonthem71. Whydoesitsay“Atfirst,itisnoteasytofeelthesethingsA.Thethingsareusedbypeople,too.B.Peopl

51、eareusedtothethings.C. Peopleknowhowtousethethings.D.Thethingsareeasytofeel.EI 'mnotacomputerexpert,Ihavebeeninthefieldforonlyashorttime.Ineverlearnedmuchinthewayofscienceofmaths.AndIamquitepuzzledbythingslikeengineeringelectronics（电子学）.ThenwhyamIabletowriteaboutcomputer?Icanwriteonthissubject,b

52、ecauseoftheseshortcomings（缺点）.Thelasttwoyearsoflearninghavebeendifficultforme.Byhardworklhavemanagedtolearnenoughtousecomputersfairlywellandtoworkwithpeoplewhoknowagreatdealmorethanl.Sincelhavelearnedallthisatsuchpersonalcost,lwouldliketosharemyknowledgewithothers.Moreandmorepeoplewanttoknowaboutcom

53、puters,andwanttoknowquickly.Thebestwaytolearnistotakeacourse.However,manypeopledonothavethetimeforit.Theywillhavetofindsomeotherwaytogetsomebasicinformation.lhopetobeabletohelpthembywritingaboutsomeofthethingslhavelearnedmyself.lhaveahomecomputeronwhichl'velearnedinmyowntime.lhaveuseditlikeahome

54、studycourse.lhavesatdownwithitdayafterday,nightafternight.lhaveforcedittogiveupsomeofitssecrets.Nowlcanuseittodosomeoftheworkthatlgetpaidfor.Andlcandothisworkinmyownhome,insteadofanoffice.Manypeoplemaysoonbeworkingonacomputerathome,justasmanynowtakeinotherpeople'styping.Somethingsaboutcomputersa

55、reeasierthanyoumayfear.First,computersarelogical（逻辑的）.Thingsthatatfirstseemdifficultwillmakesensetoyouafteryoulearntherules.Second,it'sreallynothardtolearnenoughtousetoday'smachines.Youdonotneedtobeagreatbrain.Butyoudohavetolearntothinkinnewways.Andyoudohavetokeepalotofinformationinyourhead.

56、Finally,therearemanypeoplearoundyouwhoarereallyskillfulaboutcomputers.Thesepeoplearealwayshappytobeofhelp.72. Thepurposeofthepassageistotellreadersthat,bystudyingcomputersathome,peoplecanbecome.A. computerexpertsB.writersaboutcomputersC. computerscientistsD.skilledusersofcomputer73. Accordingtothepa

57、ssage,Whichofthefollowingstatementsaboutthewriterisnottrue?ASheknowsmorethanthepeopleinherofficeB. SheknowsverylittlescienceormathsC. SheknowsmanythingsaboutcomputersD. Shecanhelpotherswithcomputers74. ThewriterbelievesthatmanypeoplewhounderstandcomputersareA.readyengineersandscientistsB.gladtohelpothersC.teachingcomputercourseD.teachers75. Accordingtothepassage,acomputercanbeusedtohelpyou.A. takesp