- 阅读理解A
题干：Itlookedjustlikeanotheraircraftfromtheoutside.Thepilottoldhisyoungpassengersthatitwasbuiltin1964.Butappearancesweredeceptive,andthe13studentsfromEuropeandtheUSAwhoboardedtheaircraftwereinfortheflightoftheirlives.Inside，theareathatnormallyhadseatshadbecomealongwhitetunnel.Heavilypadded(填塞）fromfloortoceiling,itlookedabitstrange.Therewerealmostnowindows,butlightsalongthepaddedwallsilluminatedit.Mostoftheseatshadbeentakenout,apartfromafewatthebackwheretheyoungscientistsquicklytooktheirplaceswithalookoffear.For12months,sciencestudentsfromacrossthecontinentshadcompetedtowinaplaceontheflightattheinvitationoftheEuropeanSpaceAgency.Thechallengehadbeentosuggestimaginativeexperimentstobeconductedinweightlessconditions.Forthenexttwohours,theflightresembledthatofanenormousbirdwhichhadlostitsreason,shootingupwardstowardstheheavensbeforerushingtowardsEarth.Theinventionwastoachieveweightlessnessforafewseconds.Theaircrafttookoffsmoothlyenough，butanyfeelingsthatIandtheyoungscientistshadthatwewereonanythinglikeascheduledpassengerservicewerequicklydismissedwhenthepilotputtheplaneintoa45-degreeclimbwhichlastedaround20seconds.Thentheenginescutoutandwebecameweightless.Everythingbecameconfusedandleftorright,upordownnolongerhadanymeaning.Aftertensecondsoffree-falldescent(下降）thepilotpulledtheaircraftoutofitsnosedive.Thereturnofgravitywaslessimmediatethanitsloss,butwasstillsuddenenoughtoensurethatsomestudentscamedownwithabump.Eachtimethepilotcuttheenginesandwebecameweightless，anewteamconducteditsexperiment.FirstitwastheDutchwhowantedtodiscoverhowitisthatcatsalwayslandontheirfeet.ThentheGermanteamwhoconductedasuccessfulexperimentonatraditionalbuildingmethodtoseeifitcouldbeusedforbuildingafuturespacestation.TheAmericanshadanideatocreatesolarsailsthatcouldbeusedbysatellites.Aftertwohoursofgoingupanddowninthelanedoingtheirexperiments，thepredominantfeelingwasoneofexcitementratherthansickness.Mostofthestudentsthoughtitwasanunforgettableexperienceandonetheywouldbekeentorepeat.
题目：This passage was written to_____. - A 、encourage young people to take up science
- B 、describe the process of a scientific competition
- C 、show scientists what young people can do
- D 、report on a new scientific technique
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参考答案【正确答案：B】
主旨题。本文主要描述了一次在飞行失重情况下的空中科学试验竞赛活动。因此, scientificcompetition为全文的中心主旨词，应该在文章的主题中有所体现，四个选项中只有B选项有该短语，因此为正确答案。
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