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ID:35477927
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时间:2019-03-25
《2018年4月8日每周一测-学易试题君之每日一题君2017-2018学年下学期高一英语人教版(课》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、2018年4月8日每周一测I.阅读理解阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。AScientistsnowbelievetherearesomethingsintheskythatwewillneversee.Wewon'tseethemwiththebiggesttelescopeintheworld,ontheclearestnightoftheyear.That'sbecausetheyareunseen.Theyarethemysteriousdeadstarscalledb
2、lackholes・Youmightfindithardtoimaginethatstarsdie.Afterall^oursunisastar.Yearafteryearweseeitupinthesky,burningbrightly,givingusheatandlight.Thesuncertainlydoesn^tseemtobegettingoldorweak・Butstarsdoburnoutanddieafterbillionsofyears.Asthestar'sgasesbum,theyg
3、iveofflightandheat.Butwhenthegasesrunout,thestarstopsburningandbeginstodie.Asthestarcools,theouterlayersofthestarpullintowardthecente匚Thestarpushesintoasmallerandsmallerball.Imaginciftheearthwerecrushed(挤压)untilitwasthesizeofatinymarble(玻璃弹子)•That'showtight
4、lythisdeadstar,ablackhole,ispacked.Whatpullsthestarintowarditscenterwithsuchpower?It^sgravity.Ablackholeissotightlypackedthatitsgravitysucksin(吸进)everything—evenlight.Thelightfromablackholecannevercomebacktoyoureyes・That'swhyyouseenothingbutblackness・1.Whic
5、hofthefollowingcanexplainhowthestardies?A.Asthegasesrunout,itcoolsdown.B.Asithitsotherstars,itcrashes・C.Asitsucksintoomuchlight,itexplodes・D.Asitgetshotterandhotter,itexplodes・2.Theunderlinedword”mysteriousMinParagraph1probablymeans・A.ordinaryB.brightC・stra
6、ngeD.common3.WhichofthefollowingisNOTafact?A.Blackholesaredeadstars.B.Blackholeshavegravity.C・Thedeadstarsaretightlypacked・D.Thesunwon'tdieevenafterbillionsofyears.1.Whathappensafterastardies?A.Itbecomesinvisible・B.Itfallstotheearth.C.Itburnsupallofitsgases
7、.D.Itbecomesbrighterandeasiertosee.BAwalkinafarmers5marketoftenbringsonetoexplorenewfoodoptions,andnowmorelocally-farmedprotein(蛋白质)choicesareavailabletohelpbridgethegapbetweenourmealsandthefarmsonwhichtheygrew.Moreandmorelocalsmallfarmsarepoppingupinopposi
8、tiontofactoryfarms.TodayscommercialfarmsdonotfittheimagethatcomestomindwhilehappilysingingalongtoMOldMcDonald・uInstead,mostofthenation'sfoodcomesfromCAFOs一ConcentratedAnimalFeedingOperations一whereanima
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