高考英语阅读理解D.docx

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1、高考英语阅读理解D篇————————————————————————————————作者：————————————————————————————————日期：高考英语阅读理解D篇2004全国一卷Beforeanewtypeofairplanegoesintoservice,everypartofitistestedagainandagain.Buttherearetwoteststhataremoreimportantthanalltheothers.Thefirstiscalledthe“tanktest".Amodema

2、irplanemustflyveryhighinthesky.Airmustbepumpedintotheplanesothatthepassengerscanbreathe.Themetalstructure(结构)oftheplanehastobeverystrongforthisreason.Whentheplaneisfilledwithair,theairpressesagainsttheskinoftheplaneinside.Thepressure(压力)onasmallwindowislikeahugefoot

3、thatistryingtogetout.Ifasmallpartoftheplaneweretofail,theplanewouldexplodeinthesky.Totestthestructureoftheplane,theplaneisloweredintoahugetankorcontainerofwater.Thenitisfilledwithair.Thepressureinsidetheplaneisgreaterthaniteverwillbewhenitishighupintheair.Finally,t

4、hereisanexplosion.Thisdoesnotcausesomuchdamageinsidethewatertankasitwouldanywhereelse.Engineerscandiscoverwhichpartoftheplanehasbroken.Thenthatpartismadestronger.Themostdangeroustesthappenswhenthenewplaneisgoingthroughtestflightsintheair.Thetestpilotmustfindoutexact

5、lywhathappenswhentheengines(发动机)areallshutoffatonce.Theplanebeginstofalllikeastone.Itisthepilot’sjobtofindouthowhecangetcontroloftheplaneagain.Thesetwotestsareexamplesofhowplanesaremadesafebeforetheyevercarrypassengers.68.Bydoingthe"tanktest",theengineerscanfindout_

6、______.A.theamountofairintheplaneB.thestrengthoftheplanestructureC.thepressureinsideandoutsidetheplaneD.thepoweroftheairplaneengines69.Whatwillhappentotheplaneunderthe"tanktest"?A.Itwillbebroken.B.Itwillbemadestronger.C.Itwillbefilledwithwater.D.Itwillbetestedbypilo

7、ts,70.Accordingtothetext,whyaretestflightsmostdangerous?A.Theplanemayexplodeintheair.B.Thepilotmaylosecontroloftheplane.C.Theenginesmaybedamaged.D.Toomuchairmaygetintotheplane.71.Whatmightbethemostsuitabletitleforthetext?A.TwoImportantTestsonAirplanesB.TheImportance

8、ofFlyingSafelyC.TheDangerofTestingAirplanesD.HowAirplanesAreMadeandTested2005全国一卷Asanyhomemakerwhohastriedtokeeporderatthedinnertableknows