高考英語閱讀理解D篇

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1、高考英語閱讀理解D篇2004全國一卷Beforeanewtypeofairplanegoesintoservice,everypartofitistestedagainandagain.Buttherearetwoteststhataremoreimportantthanalltheothers.Thefirstiscalledthe“tanktest".Amodemairplanemustflyveryhighinthesky.Airmustbepumpedintotheplanesothatthepassengerscanbreathe.Themetalstructure(結構)oft

2、heplanehastobeverystrongforthisreason.Whentheplaneisfilledwithair,theairpressesagainsttheskinoftheplaneinside.Thepressure(壓力)onasmallwindowislikeahugefootthatistryingtogetout.Ifasmallpartoftheplaneweretofail,theplanewouldexplodeinthesky.Totestthestructureoftheplane,theplaneisloweredintoahugetanko

3、rcontainerofwater.Thenitisfilledwithair.Thepressureinsidetheplaneisgreaterthaniteverwillbewhenitishighupintheair.Finally,thereisanexplosion.Thisdoesnotcausesomuchdamageinsidethewatertankasitwouldanywhereelse.Engineerscandiscoverwhichpartoftheplanehasbroken.Thenthatpartismadestronger.Themostdangero

4、ustesthappenswhenthenewplaneisgoingthroughtestflightsintheair.Thetestpilotmustfindoutexactlywhathappenswhentheengines(發(fā)動機)areallshutoffatonce.Theplanebeginstofalllikeastone.Itisthepilot’sjobtofindouthowhecangetcontroloftheplaneagain.Thesetwotestsareexamplesofhowplanesaremadesafebeforetheyevercarry

5、passengers.68.Bydoingthe"tanktest",theengineerscanfindout_______.A.theamountofairintheplaneB.thestrengthoftheplanestructureC.thepressureinsideandoutsidetheplaneD.thepoweroftheairplaneengines69.Whatwillhappentotheplaneunderthe"tanktest"?A.Itwillbebroken.B.Itwillbemadestronger.C.Itwillbefilledwithwa

6、ter.D.Itwillbetestedbypilots,70.Accordingtothetext,whyaretestflightsmostdangerous?A.Theplanemayexplodeintheair.B.Thepilotmaylosecontroloftheplane.C.Theenginesmaybedamaged.D.Toomuchairmaygetintotheplane.71.Whatmightbethemostsuitabletitleforthetext?A.TwoImportantTestsonAirplanesB.TheImportanceofFlyi

7、ngSafelyC.TheDangerofTestingAirplanesD.HowAirplanesAreMadeandTested2005全國一卷Asanyhomemakerwhohastriedtokeeporderatthedinnertableknows,thereisfarmoretoafamilymealthanfood.SociologistMichaelLewishasbeenstudying50fam