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1、高考英語(yǔ)閱讀理解D篇2004全國(guó)一卷Beforeanewtypeofairplanegoesintoservice,everypartofitistestedagainandagain.Buttherearetwoteststhataremoreimportantthanalltheothers.Thefirstiscalledthe“tanktest".Amodemairplanemustflyveryhighinthesky.Airmustbepumpedintotheplanesothatthepassengerscanbreathe.Themetalstructure(結(jié)構(gòu))oft
2、heplanehastobeverystrongforthisreason.Whentheplaneisfilledwithair,theairpressesagainsttheskinoftheplaneinside.Thepressure(壓力)onasmallwindowislikeahugefootthatistry ingtogetout.Ifasmallpartoftheplaneweretofail,theplanewouldexplodeinthesky.Totestthestructureoftheplane,theplaneisloweredintoahugetanko
3、rcontainerofwater.Thenitisfilledwithair.Thepressureinsidetheplaneisgreaterthaniteverwillbewhenitishighupintheair.Finally,thereisanexplosion.Thisdoesnotcausesomuchdamageinsidethewatertankasitwouldanywhereelse.Engineerscandiscoverwhichpartoftheplanehasbroken.Thenthatpartismadestronger.Themostdangero
4、ustesthappenswhenthenewplaneisgoingthroughtestflightsintheair.Thetestpilotmustfindoutexactlywhathappenswhentheengines(發(fā)動(dòng)機(jī))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(guó)一卷Asanyhomemakerwhohastriedtokeeporderatthedinnertableknows,thereisfarmoretoafamilymealthanfood.SociologistMichaelLewishasbeenstudying50fam
