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最新范本,供参考！最新范本,供参考！最新范本,供参考！高考英语阅读理解D篇2004全国一卷Beforeanewtypeofairplanegoesintoservice,everypartofitistestedagainandagain.Buttherearetwoteststhataremoreimportantthanalltheothers.Thefirstiscalledthe“tanktest".Amodemairplanemustflyveryhighinthesky.Airmustbepumpedintotheplanesothatthepassengerscanbreathe.Themetalstructure(结构)oftheplanehastobeverystrongforthisreason.Whentheplaneisfilledwithair,theairpressesagainsttheskinoftheplaneinside.Thepressure(压力)onasmallwindowislikeahugefootthatistry ingtogetout.Ifasmallpartoftheplaneweretofail,theplanewouldexplodeinthesky.Totestthestructureoftheplane,theplaneisloweredintoahugetankorcontainerofwater.Thenitisfilledwithair.Thepressureinsidetheplaneisgreaterthaniteverwillbewhenitishighupintheair.Finally,thereisanexplosion.Thisdoesnotcausesomuchdamageinsidethewatertankasitwouldanywhereelse.Engineerscandiscoverwhichpartoftheplanehasbroken.Thenthatpartismadestronger.Themostdangeroustesthappenswhenthenewplaneisgoingthroughtestflightsintheair.Thetestpilotmustfindoutexactlywhathappenswhentheengines(发动机)areallshutoffatonce.Theplanebeginstofalllikeastone.Itisthepilot’sjobtofindouthowhecangetcontroloftheplaneagain.Thesetwotestsareexamplesofhowplanesaremadesafebeforetheyevercarrypassengers.68.Bydoingthe"tanktest",theengineerscanfindout_______.A.theamountofairintheplaneB.thestrengthoftheplanestructureC.thepressureinsideandoutsidetheplaneD.thepoweroftheairplaneengines69.Whatwillhappentotheplaneunderthe"tanktest"?A.Itwillbebroken.B.Itwillbemadestronger.C.Itwillbefilledwithwater.D.Itwillbetestedbypilots,70.Accordingtothetext,whyaretestflightsmostdangerous?A.Theplanemayexplodeintheair.B.Thepilotmaylosecontroloftheplane.C.Theenginesmaybedamaged.D.Toomuchairmaygetintotheplane.71.Whatmightbethemostsuitabletitleforthetext?A.TwoImportantTestsonAirplanesB.TheImportanceofFlyingSafelyC.TheDangerofTestingAirplanesD.HowAirplanesAreMadeandTested2005全国一卷Asanyhomemakerwhohastriedtokeeporderatthedinnertableknows,thereisfarmoretoafamilymealt
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