练习23短文改错＋七选五＋完形填空Ⅰ.短文改错2020·全国卷Ⅰ★★☆☆☆TodayItriedcookingasimplydishmyself.Ilikeeatingfryingtomatoeswitheggs,andIthoughtitmusttobeeasytocook.Mymomtoldmehowtopreparingit.FirstIcutthetomatoesintopiecesbutputthemaside.NextIbroketheeggsintoabowlandbeatthemquicklywithchopstick.AfterthatIpouredoilintoapanandturnedoffthestove.Iwaitedpatientlyunlesstheoilwashot.ThenIputthetomatoesandthebeateneggsintopantogether.“Notthatway，”mymomtriedtostopusbutfailed.Shewasright.Itdidn'tturnoutasIhadwished.Ⅱ.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.Ⅲ.完形填空2022·全国乙卷说明文251词★★☆☆☆Youngchildrenacrosstheglobeenjoyplayinggamesofhideands...
