綿陽中學(xué)自主招生模擬試題

1、數(shù)學(xué)素質(zhì)考查卷4.選擇題：（本大題共12個小題，每個4分，共48分，將所選答案填涂在機讀卡上）1、下列因式分解中，結(jié)果正確的是（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、“已知二次函數(shù)y=ax2Exc的圖像如圖所示，試判斷0的大小.”一同學(xué)是這樣回答的：“由圖像可知：當(dāng)x時y.0，所以abc<0.”他這種說明問題的方式體現(xiàn)的數(shù)學(xué)思想方法叫做（）A.換元法B.配方法C.數(shù)形結(jié)合法D.分類討論法3、已知實數(shù)x滿足x2丄*-丄=4,則4-丄的值是（）xxxA.-2B.1C.-1或2D.-2或14、若

2、直線y=2x一1與反比例函數(shù)y的圖像交于點P（2,a），則反比例函數(shù)y的xx圖像還必過點（）A.(-1,6)B.(1,-6)C.(-2,-3)D.(2,12)5、現(xiàn)規(guī)定種新的運算：“*”：m*n=(mn)m“，那么-*-=()22A.§B.5C.3D.9B.150°C.160°6、一副二角板，如圖所示疊放在一起，則.AOB.COD=（）A.180°D.1707、某中學(xué)對2005年、2006年、2007年該校住校人數(shù)統(tǒng)計時發(fā)現(xiàn)，2006年比2005年增加20%2007年比2006年減少20%那么2007年比2005年（）A.不增不減B.增加4%C.減少4%

3、D.減少2%&一半徑為8的圓中，圓心角9為銳角，且3，則角。所對的弦長等于（）2A.8B.10C.82D.169、一支長為13cm的金屬筷子（粗細忽略不計），放入一個長、寬、高分別是4cm3cm16cm的長方體水槽中，那么水槽至少要放進（）深的水才能完全淹沒筷子。A.13cmC.12cmD.T53cm10、如圖，張三同學(xué)把一個直角邊長分別為桌面上翻滾（順時針方向），頂點A的位置變化為A>A>A2，其中第二次翻滾時被桌面上一小木塊擋住，使紙板3cm,4cm的直角三角形硬紙板，在一邊ACi與桌面所成的角恰好等于ZBAC，則A翻滾到A2位置時共走過的路程為（）A.8.2cmB.8

4、-cmC.229cmD.4-cm11、一輛汽車從甲地幵往乙地，幵始以正常速度勻速行駛，但行至途中汽車出了故障，只好停下修車，修好后，為了按時到達乙地，司機加快了行駛速度并勻速行駛。下面是汽車行駛路程S（千米）關(guān)于時間t（小時）的函數(shù)圖象,那么能大致反映汽車行駛情況的圖像是（）ABCD12、由綿陽出發(fā)到成都的某一次列車，運行途中須停靠的車站依次是：綿陽I羅江T黃許T德陽T廣漢T清白江T新都T成都.那么要為這次列車制作的車票一共有（）A.7種B.8種C.56種二.填空題（共6個小題，每個小題4分，共24分你所得答案填在答卷上）13、根據(jù)圖中的拋物線可以判斷:D.28種014、函數(shù)時，y隨x的增大而

5、減小;時，y有最小值。Mx+2y二一2yx2x-2中，自變量x的取值范圍是15、如圖，在圓0中，直徑ab=10,C,D是上半圓Ab上的兩個動.點。弦AC與BD交于點E，貝卩AEACBEBD=B16、下圖是用火柴棍擺放的A1個、2個、3個六邊形，那么扌個六邊形，需要火柴棍根。17、在平面直角坐標(biāo)系中，平行四邊形四個頂點中，有三個頂點坐標(biāo)分別是（-2，5）（-3，-1），（1,-1），若另外一個頂點在第二象限，則另外一個頂點的坐標(biāo)是18、參加保險公司的汽車保險，汽車修理費是按分段賠償，具體賠償細則如下19、（10分）先化簡，再求值:表。某人在汽車修理后在保險公司得到的賠償金額是2000元，那么此人

6、的汽車修理費x元賠償率0<x<50060%500wxc100070%1000Ex<300080%汽修理費是元.三.解答題（共7個小題，滿分78分，將解題過程寫在答卷上）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為底作等腰直角BCD，E是CD2的中點，求證：AE_EB.21、（10分）綿陽中學(xué)為了進一步改善辦學(xué)條件，決定計劃拆除一部分舊校舍，建造新校舍。拆除舊校舍每平方米需80元，建造新校舍每平方米需要800元，計劃在年內(nèi)拆除舊校舍與建造新校舍共9000平方米

7、，在實施中為擴大綠化面積，新建校舍只完成了計劃的90%而拆除舊校舍則超過了計劃的10%，結(jié)果恰好完成了原計劃的拆、建總面積。（1）求原計劃拆、建面積各是多少平方米？（2）若綠化1平方米需要200元，那么把在實際的拆、建工程中節(jié)余的資金全部用來綠化，可綠化多少平方米?22、（10分）已知直線y=xa與y軸的負(fù)半軸交于點A，直線y二工x8與x軸交于點B，與y軸交于點C,AO:CO=7:8（O是坐標(biāo)原點），兩條直線交于點P.（1）求a的值及點P的坐標(biāo)；（2）求四邊形AOBP的面積S.23、（12分）如圖：已知AB是圓O的直徑，BC是圓O的弦，圓O的割線DEF垂直于AB于點G，交BC于點H,DC=DH

8、.（1）求證：DC是圓O的切線；（2）請你再添加一個條件，可使結(jié)論BH2二BGBO成立，說明理由。（3）在滿足以上所有的條件下，AB=10,EF=8.求sin.A的值。24、（12分）如圖，菱形ABCD的邊長為12cm,.A=60，點P從點A出發(fā)沿線路ABBD做勻速運動，點Q從點D同時出發(fā)沿線路DCCB-.BA做勻速運動.（1）已知點P,Q運動的速度分別為2cm/秒和2.5cm/秒，經(jīng)過12秒后，P、Q分別到達M、N兩點，試判斷AMN的形狀，并說明理由；（2）如果（1）中的點P、Q有分別從M、N同時沿原路返回，點P的速度不變，點Q的速度改為vcm/秒，經(jīng)過3秒后，P、Q分別到達E、F兩點，若B

9、EF與題（1）中的.AMN相似，試求v的值.25、（14分）在ABC中，.C=90,AC,BC的長分別是b,a，且cotB=ABcosA.（1）求證:ba;(2)若b=2,拋物線y=m(x-b)2a與直線y=x4交于點M(x“yj和點，MON的面積為6（O是坐標(biāo)原點）.求m的值;（3）若二繪卩_q_3=0，拋物線y=n（x2-px3q）與x軸的兩個交點中，一個b交點在原點的右側(cè)，試判斷拋物線與y軸的交點是在y軸的正半軸還是負(fù)半軸，說明理由英語素質(zhì)考查卷（120分鐘）I卷I. 聽力（共20小題；每小題1.5分，滿分30分）第一節(jié)：聽下面5段對話。每段對話后有一個小題，從題中所給的A，B，C三個選

10、項中選出最佳選項，并標(biāo)在試卷的相應(yīng)位置。聽完每段對話后，你都有10秒中的時間來回答有關(guān)小題和閱讀下一小題。每段對話僅讀一遍。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.第二節(jié)：聽下面5段對話或獨白。每段對話或獨白后有幾個小題，從每題所給的A，B，C三個選項中選出最佳選項，并標(biāo)在試卷的相應(yīng)位置。聽完每段對話或獨白前，你將有時間閱讀各小題，每小題5秒鐘；聽完后，各小題將給出5秒鐘的作答時間。每段對話

12、或獨白讀兩遍。聽第6段材料，回答第6至8題。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.聽第7段材料，回答第9至11題。9. Whatisthepossiblerelationshipbetweenthetwospeakers?A. Theyarefriends.B. Theyarestrangers.C. Theyareworkersinthesamecompany.10. WhereisJimgoing?A.Goingtothecinema.B.Goinghome.C.GoingtowatchTV.11. Whattimeofthedaydoyouthinkitis?A.Inthemorning.B.Atnoon.C.Intheevening.聽第8段材料

14、，回答第12至14題。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.聽第9段材料，回答第15至16題。15. Wheredidtheconversationtakeplace?A.InItaly.B.InAmerica.C.InChina.16. Whatdidthemanenjoymostduringtheholiday?A.Meetingwithhisrelatives.B. Beingtogetherwithhiswifeandhisdaughter.C. Visitingfriends.聽第10段材料，回答第17至20題。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.選擇填空（共15小題，共15分）從A、B、C、D四個選項中，選出可以填入各題空白處的最佳選項。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（本題有20小題，每小題1.5分，共30分）閱讀下面短文，掌握其大意，然后從ABC、D四個選項中選出可以填入空白處的最佳答案。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. 閱讀理解（共20小題，每小題2分，共40分）閱讀下面短文，從每題所給的AB、C、D四個選項中選出最佳選項。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(數(shù)）,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（電子學(xué)）.ThenwhyamIabletowriteaboutcomputer?Icanwriteonthissubject,b

52、ecauseoftheseshortcomings（缺點）.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（邏輯的）.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