2021-2022學年山東省萊蕪市統招專升本英語自考模擬考試(含答案)學校:________班級:________姓名:________考號:________

一、單選題(20題)1.Thebridgewasnamed_____theherowhohadgivenhislifetosaveachild（）

A.afterB.byC.withD.from

2.TherearesomanybooksonthelistthatIdon'tknowwhich（）

A.tochooseB.tobechosenC.chosenD.choosing

3.A.GB.HC.ID.J

4.Atthistimenextweek,we（）thematterwithourfriends

A.aregoingtodiscuss

B.willbediscussing

C.arediscussing

D.aretodiscuss

5.Ofmorethanthreehundredpeopleintheairplanethatcrashedlastweek,onlyfivemiraculously（）

A.sustainedB.enduredC.survivedD.maintained

6.ThecostoflivinginGlasgowisamongthelowestinBritain,（）thequalityoflifeisprobablyoneofthehighest

A.sinceB.whenC.asD.while

7.Aswehavenoclassthisafternoon,let'sgoandplaytabletennis,_____（）

A.shallweB.willweC.don'tweD.aren'twe

8.Alow-carbon（低碳）lifestylehasaneffect（）ourdailylife.Peoplearepayingmoreandmoreattentionto（）energiesthesedays

A.in;saveB.in;savingC.on;saveD.on;saving

9.Theydidn’tcometotheparty，thoughthey（）thattheywould

A.promisedB.offeredC.suggestedD.refused

10.Pleaseletushavemoretimetoplayoutside，_____（）

A.shallweB.willyouC.won’tyouD.don’tyou

11.Thetalltree,（）leavesaredarkerthanthoseoftheothertwo,isasoldasgrandpa

A.whichB.whoseC.ofwhichD.that

12.Thestreetsareallwet.It（）duringthenight

A.mustberaining

B.musthavebeenrained

C.hadtorain

D.musthaverained

13.I’mbusyatthemoment.CanIcallyoubacklater（）

A.LuckilyB.TheoreticallyC.GenerallyD.Actually

14.Thetrain_______shewastravelingwaslate（）

A.whichB.onwhichC.forwhichD.onone

15.Threedayslater,Garywasbehavingasthoughnothing（）

A.happensB.happenedC.hashappenedD.hadhappened

16.Thesearecommonmaterials_______weareallfamiliar（）

A.aboutwhichB.ofwhichC.withwhichD.towhich

17.Thesamples_____inqualitybutweregenerallyacceptable（）

A.variedB.changedC.disagreedD.exchanged

18.Followingtwodaysofshootingalongtheirborders,thetwocountrieshave________diplomaticrelations（）

A.brokendownB.putdownC.brokenoffD.putoff

19.Youneedn’tintroducehimtome.I’vemethimonseveral_____（）

A.occasionsB.timesC.schedulesD.cases

20.Ofmorethanthreehundredpeopleintheairplanethatcrashedlastweek,onlyfive（）miraculously

A.sustainedB.enduredC.survivedD.maintained

二、填空題(20題)21.Ifyoureadthepaper（care）____,Iamsureyouwillpasstheexam

22.YesterdayI（receive）____anemailfromoneofoursuppliersabouttheorder

23.Thewholeworldlooksupontherapid（economy）____developmentofourcountryasagreatwonder

24.Hisstorieswritteninhislateryearswerenotinterestingbecauseofhis____ofimagination.（poor）

25.Yourworkplanismuchbetternow,butthereisstillroomfor（improve）____

26.Asacollegestudent,youshouldaimforan____ofknowledgewellbeyondyourareaofspecialization.（expand）

27.Thenewsthathersonfailedtopasstheexamwasso____thatshehardlybelieveit.（disappoint）

28.Manytelevisionviewerstakehimastheir（favor）____actor

29.Themanagerreceivedtwenty____forthepost.（apply）

30.Ifyourneighborsaretoonoisythenyouhavecausefor____.（complain）

31.Itis（scientific）____tothinkthatsciencecansolvealltheproblemsforhumanbeings

32.Theprofessorhasalarge（collect）____ofbooks

33.Weareplanningtoprovide（serve）____tosmallcompaniesinthecity

34.The（excite）____crowdrushedintothemayor'soffice

35.Thegovernmenthastakendrasticmeasuresto____thepublictransport.（modern）

36.Nowadays,weareinavery____businessenvironment.（competition）

37.Itsnowed____lastyearbutnotenoughforustouseoursnowboards.（occasion）

38.Itisessentialthatwe____informedofyourplansinadvance.（）

39.Sherepeatedhisname____,tooshockedtosaymore.（help）

40.Theseactivitieshelptogreatly____thetiesamongtheclubmembers.（strong）

三、選詞填空題(10題)41.3.____

42.Studentsatuniversitycanlearnandmakefriends1willlastalifetime.However,thecostofstudyingisontherise.Thisincreasemeansthatmoststudentscangetintomoneytrouble2theydonotknowhowtomanagetheirmoney.Itisnotjustthecoursefees.Studentsmustalso3forroomandboard.Inaddition,theymayspendmoney4clothes,travel,andotherthings.Thus,studentsneedtobudget5.Atmostuniversitiesteacherscangivestudentssuggestionsonhowtospendtheirmoney.Thefirstthingtheysuggestistowritedownyour6,forexample,themoneyyouwillgetfromyourfamilyorapart-timejob.Thenlistallofyourexpenses.Putyourexpensesintotwo7:thosethatchange(food,books,travel),andthosethatwillstaythesame(tuition,roomandboard).Addtogetherallofyourexpenses.Whenyoudothis,youfinditis8toplanoutyourbudget.Thismeansyoucansaveyourmoney,ratherthantryingto9fromothers.Asyoucansee,thereismoretolearnatuniversitythanjust10istaughtintheclassroom.____

43.Researchershavefoundthatpeoplewhogotoconcerts,showsandmuseumscanlivelongerthan1whodonot.ExpertsfromUniversityCollegeLondonhavebeenexaminingthelifestylesofover6,700Britishpeople215years.They3howoftenthepeoplewentoutandwhatkindsofeventstheyattended.Theyfoundthatpeopleover50yearsold4regularlywenttoconcertswereabout30percent5likelytodieoverthenext14years.Theresearcherssaidtheover50scouldextendtheirlife6engagingwiththearts.Inadditiontolivinglongerconcertgoerscouldalsohavemorefun.TheUKHealthSecretaryMattHancockbelievestherecouldbealotof7intheresearch.Hesaidartsandculturecould8thingslikementalhealth,agingandloneliness.He9announcedplansfortheUK’sNationalHealthServicetousetheartstohelppeopleliveahealthierlife.Oneresearchersaid,“Ourresultshighlighttheimportanceof10toexplorenewsocialfactorsthataffectourhealth.”1.____

四、情景對話(5題)44.Peter:Goodafternoon.MynameisPeter.I’mthegeneralmanagerofthepersonneldepartment.I’llbeinterviewingyou.Pleasesitdown.

Jon:1Myname’sJonSmith.

Peter:Well,Jon,it’sapleasuretomeetyou.2

Jon:I’vebeenamanageratNikeforoverthreeyears.IwonManageroftheYearAwardtwoyearsago,andIgotpromotedlastAugust.

Peter:OK.Tellmeaboutyourself,suchasyourpersonality.

Jon:3IthinkbeforeIact,andifsomethinggoeswronginourcompanyIalwaysremaincalm.Inevershoutatmyemployees.AndI’veneverlostmytemper.

Peter:4

Jon:IthinkI’mgoodatsolvingproblems.5Ialsolovechallenges.Iworkwellunderpressure.Whenmybosspushesmetofinishaprojectearly,Ialwaysgetitdoneandnevercomplain.

Peter:Jon,youseemlikeaverygoodmanager.Ilikeyourambition.You’reveryconfidentandmotivated.Well,ourinterviewisover

1（）

A.Ienjoyapproachingproblemsdirectly

B.Nicetomeetyou

C.Whatareyourstrengths?

D.Tellmeaboutyourworkexperience

E.IthinkI’mverylevelheaded

45.M:Whatwereyoudoingyesterdayafternoon?

W:1Itwasreallyinteresting.

M:2

W:Bytheriver.Alotofchildrenwereflyingkitesthere.

M:Itwaswindyyesterday,wasn’tit?

W:3

M:Whomdidyouflykiteswith?

W:4

M:Didyouenjoyyourselves?

W:Yes.5Afterthatwealsohadapicnictogether

1（）

A.Wehadagoodtime

B.Yes,thewindwasstrong

C.Iwasflyingakiteyesterdayafternoon

D.Wheredidyouflythekite?

E.WithLiLeiandTom

46.67.____（）

47.4（）

A.Whowon?

B.Howhardtheypractice!

C.Theyarecool,aren’tthey?

D.Didyougotoseethebasketballgameyesterday?

E.IknowthatbothJohnandTimareontheteam

48.75.____（）

五、閱讀理解(5題)49.Passage4

Whilethehistoryoftechnologycanbetracedalongmanylines,oneofthemostintriguing（引人入勝的）developmentisthatofphototechnology,thetechnologyoflight.Fromtheprehistoricinventionoffiretolaserbeams（激光束）andfiberoptics（光纖）,lighthascontinuallyoccupiedthemindsofinventors.Theirinventionsfallintotwogroups:theuseoflighttoaidvisionand,moreinterestingly,theuseoflightforpurposesofcommunication.

Theuseoflightforcommunicationisoneofthemajordirectionsthattechnologyhastakeneversincethemiddleofthenineteenthcentury.Fromstill（靜態的）photographytomoviestotelevision（withadevelopmentfromblack-and-whitetocolorimageryineach）,phototechnologyhashadagreateffectuponmasscommunicationandmasseducation.Unliketheprintedwords,visualimageshavemoreimpactbecausetheyaremoreimmediate:Theycopyrealityinawaythattheprintedwordscannot.Unlikelettershapes,theyarenotabstract;unlikewords,theyrequirenosymbolicinterpretationbythemind.Combinedwiththewidespreadanduniformspreadingofsuchimages,phototechnologyaffectsthethinkingofvastaudiencesandshapestheirviewofreality.

Asthenumberofcommerciallyavailabletelevisionchannelsgrows,theviewer'sfreedomofchoiceincreases,butsodoestheburdenofthatchoice

Itcanbelearnedaboutthetechnologyoflightfromthefirstparagraphthat_______（）

A.itsmerepracticaluseistoenablepeopletoseewell

B.itachievedaremarkabledevelopmentintheearlynineteenthcentury

C.itsdevelopmentisrelatedtothestudyofthehistoryoftechnology

D.ithasarousedtheinterestofinventorseversinceancienttimes

50.Peopleandthesourcesofairpollutionarefoundinthesameplaces.Thismeansthatcitieswithlargepopulationshavethebiggestproblemofdirtyair.Airpollutioniscausedbymanydifferentthings.Amajorsourceofairpollutionisthegasfumes（煙）fromcars.Anothermajorsourceofdirtyairistheburningofcoalandoilforenergy.Thisenergyisneededtomakeelectricity.Ofcourse,muchmoreelectricityisusedinthecitythaninthecountry.

Ontheaverage,wethrowawaymoretrashandgarbagethantheyearbefore.Theburningofgarbageleadstoairpollution.Manymajorindustriesarealsothecauseofthedirtyairinandaroundthecities.Thefumesfromiron,steel,chemical,andpetroleumproductionaddparticles（粉塵）totheair.

Theeffectsofairpollutionrangefrommildheadachestodeath.Thelevelsofpollutionfoundinheavytrafficmaycauseheadachesforlossofclearsight.Wherevercoalandoilareusedforfuel,fumesmaykilltreesandplants.Insomeofthelargercities,thesefumesendangerthelivesofhumanbeingsbyleadingtolungdiseasesandcausingearlydeath

Fromthepassage,weknowthat______（）

A.airpollutioniscausedbyelectricity

B.thecauseofairpollutionisnotpeople

C.airpollutioniscausedbymanydifferentsources

D.headachesanddeatharenotrelatedtoairpollution

51.Whichstatementistrueaccordingtothepassage（）

A.It'scommontodeliberatelyomitimportantinformationinanewsreport

B.It'squitelikelythatthetruthcanbeusedindishonestways

C.MostpeoplebecamejoblessduringGovernorSmith'sterm

D.Itisafactthatliesareliesbuttruthscanhardlybelies

52.TheUSgovernmenthasstartedawebsite,Admongo,tohelpchildrenthinkcriticallyabouttheadvertisingaimedatthem.Itclaimstoprovidevisitorswithaneducationthroughgamesandotherentertainment.

Acartoonmandressedinold-timepilotclothinggreetsvisitorstoAdmongo.CallmeHaiz,hesaysuponarrivalinarocketshipthatopensupwithacrazyworldinsideit.SpaceydancemusicplaysinthebackgroundasHaiztellsvisitorsthattheyneedtolearnaboutadvertising.

Itsinventorssayeighttotwelveyearsoldistheagewhenkidsdeveloptheircriticalthinkingabilities.Kidsofthatagearealsoabigmarkettargetforadvertisers.

TheideabehindAdmongoistoteachchildrenthreethings:toidentifytheadvertiser,toknowwhattheadvertiserisreallysaying,andtoknowwhattheadvertisementistryingtogetthechildtodo.

Childrenlearnthesethingsthroughavideogame.Theycreatetheirowngamecharacters.Theycanchoosedifferentskincolours,hairstyles,eyeandmouthshapes.Thentheybeginatripthroughadland,wherethereareadsonbusesandhoardings.Theplayershavetofindallthemarketingintheneighbourhoodbeforetheycanmoveontothenextlevel.

TheAdmongogametakesplayersinsideahome,totheadvertisingstudioandeverywhereelseadscanbefound.Itisacompleteexplorationoftheworldofmarketing.Onesuchareaisfoodmarketing.TheFederalTradeCommission（FTC）saysitisabigbusiness.TheFTCestimatesthatfood,drink,andfast-foodrestaurantsspentmorethanoneandahalfbilliondollarsonadvertisingtoyoungpeoplelastyear.TheFTCsayschildrenareimportantforthreereasons.Theybuyproducts.Theyinfluenceparentsandcarerstobuy.Andtheyarethefutureadultbuyersoftheproducts.

Arecentstudysaysmostadvertisingaimedatchildrenisforfoodsofthelowestnutritionalvalue.TheformerfirstladyMichelleObamahassaidshewouldliketoseeadvertisersmarketinghealthyfoodstochildren

Whydidthegovernmentstartthewebsite（）

A.Toattractthebiggestmarketofbuyers

B.Toselltheproductsofitscompany

C.Tohelpchildrenknowaboutadvertising

D.Toadvertisethevideogameforchildren

53.____Summerjobsandinternshipscanincreaseyourchancesofgettingagreatjob（）

六、作文(1題)54.1.目前，越來越多的大學生做兼職。2.大學生做兼職的利弊。3.你的看法。

參考答案

1.A那位英雄為救一個孩子而獻出了自己的生命，這座橋以他的名字而命名。

［考點］詞語搭配

【精析】Anameafter…是固定搭配，意為以……而命名。故選A

2.A列表上有這么多書，以至于我不知道選哪一本。

［考點］非謂語動詞

【精析】A分析句子結構可知，本句考查疑問詞+不定式結構，故可排除選項C、D。根據句意可知，choose和I之間是邏輯上的主謂關系，所以這里應用不定式的主動式。故選A

3.D按照吩咐去做，否則你將會受到懲罰。

［考點］詞義辨析

【精析】Jratherthan:而不是；wouldrather:寧愿；otherwise:否則，除此以外，后面的句子常用虛擬語氣；orelse:否則，要不然，和otherwise相比語氣更重，表示一種忠告或警告。根據句意可知，選J

4.BB由句中的時間狀語atthistimenextweek可知，句子應用將來進行時，表示將來某一時刻或某段時間正在進行的動作，或按照計劃在將來某一時刻或某段時間將要進行的動作。故選B

5.C在上周墜毀的飛機上有300多人，其中只有5人奇跡般地生還了。

［考點］詞義辨析

【精析】Csustain：維持,支撐；endure：忍耐，忍受；survive：存活，幸存；maintain：維持,維護。根據句意可知，選C

6.D格拉斯哥的生活成本在英國是最低的，而生活質量可能是最高的之一。

［考點］固定用法

【精析】D選項中只有并列連詞while可以表示兩種情況的對比。故選D

7.A

8.D低碳生活方式影響著我們的日常生活。近年來人們越來越關注節約能源。

［考點］固定用法

【精析】Dhaveaneffecton為固定搭配，意為對……有影響；payattentionto意為注意，重視，留心，其中to是介詞，其后的動詞應用動名詞形式。故選D

9.A他們沒來參加聚會，雖然他們承諾會來。

［考點］詞義辨析

【精析】Apromise：承諾；offer：提供；suggest：建議；refuse：拒絕。根據句意可知，選A

10.B請讓我們在外面多玩一會兒，可以嗎？

［考點］反意疑問句

【精析】Bletus開頭的祈使句的反意疑問句用willyou，let’s開頭的祈使句的反意疑問句用shallwe

11.B這棵樹和爺爺的年紀一樣大，它的葉子比另外兩棵樹的要深。

［考點］定語從句

【精析】B分析句子結構可知，本句為非限制性定語從句，先行詞是tree,引導詞作定語修飾leaves,因此只能用whose。故選B

12.D街上都濕了，昨晚一定下雨了。本題考查情態動詞表推測。對當前情況進行肯定推測時一般使用must+動詞原形的形式。對于過去情況進行肯定推測時一般使用must+have+動詞過去分詞的形式

13.DD句意：實際上，我現在很忙。我能晚會兒打給你嗎？詞義辨析。luckily:幸運的是；theoretically:在理論上；generally:一般地；actually:實際上。只有D項符合句意

14.B句意：她旅行要坐的那列火車晚點了。本題考查定語從句的用法。分析句子結構可知空處后面是一個定語從句，應用關系代詞which引導從句。因為在從句中是onthetrain，所以在關系代詞前需要加上介詞on。故選項B為正確答案

15.D三天后，蓋瑞表現得就好像什么都沒發生過一樣。

［考點］虛擬語氣

【精析】D根據謂語動詞和句意可知，此處是asthough引導的方式狀語從句，表示對過去發生事情的假設，從句的謂語動詞要用had+過去分詞的形式。故選D

16.C[答案]C

[譯文]這是我們非常熟悉的普通材料

[詳解]befamiliarwith,對……熟悉

17.AA句意：樣品質量良莠不齊，但大體上來說是可以接受的。詞義辨析題。vary作不及物動詞時，意為變化，有不同，表示一組類似的事物（大小、形狀等）相異，不同，有差別；change意為改變，交換；disagree意為不同意，不一致；exchange意為交換，交易。根據句意選A最合適

18.C在兩國的邊境交戰兩天之后，這兩個國家中斷了外交關系。

［考點］詞義辨析

【精析】Cbreakdown:分解，損壞;putdown:記下，寫下;breakoff:突然停止，暫停，中斷;putoff:推遲，拖延。根據句意可知，選C

19.A你不用把他介紹給我。我已經見過他幾次了。

［考點］詞義辨析

【精析】Aoccasion:某次，……的時候；time:時候，次數；schedule:時刻表，時間表；case:事例，實例。根據句意，選A。注意：此處沒有onseveraltimes的用法

20.C在上周失事的飛機上有300多人，其中只有5人奇跡般地幸存下來。

［考點］詞義辨析

【精析】Csustain：維持,支撐；endure：忍耐，忍受；survive：存活；maintain：維持,維修。根據句意可知，選C

21.carefullycarefully題干的大意是：如果你仔細地閱讀了論文，我肯定你能通過考試。此處需要用副詞形式修飾動詞read，應先轉變成形容詞形式careful，再加上-ly

22.receivedreceived句意：昨天我收到了一封我們的一位供應商發來的關于訂單的郵件。動詞的時態。由時間狀語yesterday可知，本句應用一般過去時表示過去發生的事情。故此處應填入receive的過去式received

23.economiceconomic題干的大意是：全世界都認為我國迅速的經濟發展是個奇跡。此處需要economy的形容詞形式economic，修飾名詞development

24.povertypoverty題干大意是：由于缺乏想象力，他晚年創作的故事并不有趣。根據his可知，此處應填poor的名詞形式poverty，指缺乏

25.improvementimprovement句意：你的工作計劃現在好多了，但仍有提高的空間。詞性轉換。由介詞for可知，此處應用動詞improve的名詞形式improvement來作其賓語，意為改進，提高

26.expansionexpansion題干大意是：作為一名大學生，你應該爭取大大擴充超出你專業領域的知識。根據空前的an可知，此處應填名詞。expansion是動詞expand的名詞形式，指擴張，擴大

27.disappointingdisappointing題意：她兒子考試沒及格的消息令她很失望，她幾乎不能相信。根據空前的was可知，空處應使用disappoint的形容詞形式。在由disappoint轉化而來的兩個形容詞disappointing和disappointed（形容詞化的現在分詞和過去分詞）中,其主語若為人，則用disappointed，意為某人感到失望的；若為物，則用disappointing,意為某事/某物令人失望的。在本句中，主語為news,應使用disappointing

28.favoritefavorite題干的大意是：許多電視觀眾把他當作最喜愛的演員。此處需要名詞favor的形容詞形式favorite，意為最喜愛的

29.applicationsapplications題意：經理收到了20份關于這個職位的申請書。此句應填apply（申請）的名詞形式application，因其前有基數詞twenty修飾，故應用復數形式

30.complaint或complainingcomplaint/complaining題意：如果你的鄰居太吵了，那你就有了抱怨的理由。根據空前的介詞for可知，此處應填complain的名詞形式complaint，或動名詞形式complaining

31.unscientificunscientific題干的大意是：認為科學能解決人類一切問題的觀點是不科學的。根據句意，此處只需要在形容詞scientific前加上表否定的前綴un-即可

32.collectioncollection題干的大意是：教授收藏了大量的書。根據空前的a可知，此處應填寫collect的名詞形式collection，意為收藏

33.service（s）service（s）句意：我們打算對城市中的小型企業提供幫助。詞性轉換。動詞provide的賓語只能是名詞或代詞，故此處應用動詞serve的名詞形式service來作provide的賓語。注意service表示幫助，服務時，也可用復數形式services

34.excitedexcited題干的大意是：激動的人群沖進了市長辦公室。此處應為excite的形容詞形式excited，用來修飾人

35.modernizemodernize題意：政府已采取嚴厲措施促使公共交通現代化。分析句子結構可知，此處應填modern的動詞形式modernize

36.competitivecompetitive題干大意是：現今，我們處于一個競爭激烈的商業環境中。此處應填competition對應的形容詞形式competitive，指競爭激烈的，用來修飾后面的名詞詞組

37.occasionallyoccasionally題意：去年偶爾下下雪，但不足以讓我們可以玩滑雪板。根據句意可知，此處缺少副詞來修飾snowed，故先將occasion變為形容詞形式occasional，再加上-ly變成副詞，用來修飾snowed

38.be或shouldbe（should）be題意：我們應該提前知道你們的計劃，這很重要。在Itisessentialthat…句型中,that引導的主語從句應使用虛擬語氣，即謂語動詞用should+動詞原形的形式,should可以省略。這一句型中有相同用法的形容詞或分詞除了essential之外還有：necessary,important,desired,required,requested,proposed,suggested,ordered,commanded,decided,advised等

39.helplesslyhelplessly題干大意是：她因為過度驚嚇，什么也說不出來，只是無助地重復著他的名字。此處應填help引申出來的helpless的副詞形式helplessly，指無助地

40.strengthenstrengthen題干大意是：這些活動十分有助于加強俱樂部成員之間的聯系。strengthen是形容詞strong的動詞形式，指加強，鞏固

41.AK根據空后的名詞短語15years可知，空處應填介詞。符合要求的選項有C、K。句意：15年來，來自倫敦大學學院的專家們一直在調查超過6,700名英國人的生活方式。故選K。

42.HH分析句子結構可知，空處應填引導詞，引導一個定語從句，修飾指人的先行詞friends。符合要求的選項只有H。句意：學生在上大學時可以學習并交到將持續一生的朋友。故選H。

43.JA.studied（v.學習，研究）B.continuing（v.繼續，持續）C.by（prep.通過）D.who（pron.引導定語從句）E.whose（pron.引導定語從句）F.improve（v.改進，改善）G.truth（n.事實，真相）H.ignored（v.忽視，不予理睬）I.recently（adv.最近，不久前）J.those（pron.那些）K.for（prep.表示一段時間）L.less（adv.更少，較少）J分析句子結構可知，空后的who引導一個定語從句，空處為其先行詞，所以空處應填指人的名詞或代詞。符合要求的選項只有J。those在此處指代上文中的people，此處表達的是“不去（音樂會、演出和博物館）的那些人”。故選J。

44.B

45.C

46.B

47.B

48.E

49.D［考點］事實細節題

【精析】D根據第一段第二句Fromtheprehistoricinventionoffiretolaserbeamsandfiberoptics,lighthas‘continuallyoccupiedthemindsofinventors'.可知，光技術