练习23七选五＋完形填空Ⅰ.七选五名师原创题说明文265词★★★☆☆Restaurants,schools,dentistofficesareallkeepingmorewindowsopentoletinmorefreshair.__1__NowresearchersatNanyangTechnologicalUniversityinSingaporehavecomeupwithadevicethat'slikenoise－cancellingheadphones—butforabuilding.Itworksonthesameprinciple,soitdetectsnoisethat'scomingintothewindowsandthencancelsthenoise.__2__Amicrophonesamples(抽样检验)incomingnoise,andthensendsthespeakersinstructionsonwhatsortofanti－noise(反噪音)togiveout.Theresultistocancelouttheincomingsound.__3__Atthesametimeitallowsairtokeepflowingintoandoutofthewindow.Thedeviceisbeingtestedout—soit'sstillexpensive.Anditdoesn'tblockoutallsounds.Itblockssoundatfrequenciesfrom300to1，000Hz.__4__ThetechnologywillprobablycomeinhandyinSingaporeasthiscountryalreadyhasalotofgreenbuildingsthatusenaturalventilation(通风设备).Butthedisadvantageis:whenyouhavelotsofopeningsinthebuildings,thenoisecomesin.__5__Thegroupofwindowspeakerscoulddothetrick—especiallyifpeoplepreferpeaceandquiettoagoodview,whichpeopleathometendtodoallnight.A．Butthisalsoletsinmorenoise.B．Thegreenbuildingsareenergy－saving.C．Thisincludesthenoiseoffreeways,trainsandplanes.D．Soyouneedsomewaytomanagetheincreasingnoise.E．Theheadphonesaredesignedforustocoverupourears.F．Comparedwithaclosedwindow,theanti－noisedeviceisalmostasgood.G．Thedevicelookslikeagroupofsmallspeakersandfitsoveranopenwindow.Ⅱ.完形填空2021·山东省师范大学附属中学高三检测记叙文251词★★★☆☆WhenIenteredBerkeley,Ihopedtoearnascholarship.HavingbeenaStraightAstudent,IbelievedIcould__1__toughsubjectsandreallylearnsomething.OnesuchcoursewasWorldLiteraturegivenbyProfessorJayne.Iwasextremelyinterestedintheideashe__2__inclass.WhenItookthefirstexamofmybestsubjectEnglish,Iwas__3__tofinda77,Cplus,onmytestpaper.IwenttoProfessorJayne,wholistenedtomyargumentsbutremained__4__.Idecidedtotryharder,andIreadthebooksmorecarefully,butgotanother77again.I__5__withProfessorJayne.Again,helistenedpatientlybutwouldn'tchangehis__6__.Onemoretestbeforethefinalexam.Onemorechancetoimprovemygrade.SoIredoubledmy