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下面一段程序执行后的结果是( )
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高一下学期数学《》真题及答案
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下面程序段执行后消息框的输出结果是______ a=12345 Do a=a/10 b=aM
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432
234
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下面程序段执行后消息框的输出结果是______a=12345Doa=a/10b=aMod10Loon
下面程序段booleana=falsebooleanb=truebooleanc=a||b&&b;b
c=false;result=false
c=true;result=true
c=true;result=false
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计算机执行下面的程序段后输出的结果是
2,3
-1,2
0,0
-1,5
下面程序段执行后消息框的输出结果是
1
12
123
1234
下面程序段执行后消息框的输出结果是______ a=12345 Do a=a/10 b=aM
下面程序段执行后消息框的输出结果是______ a=12345 Do a=a/10 b=aM
阅读下面程序段则执行后输出的结果是______ #includestdio.h main {c
计算机执行下面的程序段后输出的结果是a=1b=3a=a+bb=a-bPRINTab
1,3
4,l
0,0
6,0
下面程序段的执行结果是intx=10;for;x;x--{ifx%3continue;printf%
875421
963
741
852
下面一段程序执行后的结果是
6
4
8
10
下面程序段执行后消息框的输出结果是______a=12345Doa=a/10b=aMod10Loop
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1,3
4,1
0,0
6,0
下面程序段执行后消息框的输出结果是______a=12345Doa=a|10b=aMod10Loop
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c=false;result=false
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语法错误
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如图在几何体ABCDEF中ABEF均与底面BCDE垂直且BCDE为直角梯形BE∥CDBE=CDCD⊥DEGI分别为线段CDBC的中点H为线段DE上任意一点. 1证明FH∥平面ABG. 2若∠BCD=45°证明平面AGI⊥平面EFG.
TheTrueStoryofTreasureIsland ItwasalwaysthoughtthatTreasureIslandwastheproductofRobertLouisStevenson'simagination.1recentresearchhasfoundthetruestoryofthisexcitingwork. StevensonaScotsmanhadlived2formanyyears.In1881hereturnedtoScotlandfora3.WithhimwerehisAmericanwifeFannyandhisson4. EachmorningStevensonwouldtakethemoutforalong5overthehills.Theyhadbeen6thisforseveraldaysbeforetheweathersuddenlytookaturnfortheworse.KeptindoorsbytheheavyrainLloydfeltthedays7.TokeeptheboyhappyRobertaskedtheboytodosome8. OnemorningtheboycametoRobertwithabeautifulmapofanisland.Robert9thattheboyhaddrawnalargecrossinthemiddleof10.What'sthat?heasked.That'sthe11treasuresaidtheboy.Robertsuddenly12somethingofanadventurestoryintheboy's13.WhiletherainwaspouringRobertsatdownbythefiretowriteastory.Hewouldmakethe14atwelve﹣year﹣oldboyjustlikeLloyd.Butwhowouldbethepirate海盗? RoberthadagoodfriendnamedHenleywhowalkedaroundwiththe15ofawoodenleg.Roberthadalwayswantedto16suchamaninastory.17LongJohnSilverthepiratewithawoodenlegwas18. Sothankstoa19SeptemberinScotlandafriendwithawoodenlegandtheimaginationofatwelve﹣year﹣oldboywehaveoneofthegreatest20storiesintheEnglishlanguage. 1A.Besides B.Therefore C.However D.Finally 2A.alone B.abroad C.athome D.nextdoor 3A.meeting B.story C.job D.holiday 4A.Lloyd B.Robert C.Henley D.John 5A.talk B.rest C.walk D.game 6A.attempting B.missing C.enjoying D.planning 7A.dull B.quiet C.busy D.cold 8A.cleaning B.writing C.exercising D.drawing 9A.doubted B.noticed C.decided D.recognized 10A.theisland B.thehouse C.Scotland D.thesea 11A.forgotten B.discovered C.buried D.unexpected 12A.drew B.saw C.made D.learned 13A.book B.reply C.mind D.picture 14A.star B.hero C.writer D.child 15A.help B.problem C.use D.bottom 16A.produce B.praise C.include D.accept 17A.Yet B.Also C.Thus D.But 18A.read B.born C.hired D.written 19A.windy B.sunny C.cool D.rainy 20A.news B.love C.adventure D.humorous
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Thefullmoonclimbsovertheeasternhorizon地平线andhangslikeahugeorangeglobeinthesky.Afewhourslaterthemoonisoverheadbutseemstohavechanged.Thehugeorangeglobehasbecomeasmallsilverdisk.Whathashappened?Whyhastheorangecolordisappeared?Whydoesthemoonseemsomuchsmallerandfartherawaynowthatitisoverhead? Themoonappearsorangeonthehorizonbecauseweviewitthroughthedustoftheatmosphere.Theoverheadmoondoesnotreallyshrinkasitmovesawayfromthehorizon.Oureyesinformusthattheoverheadmoonisfartheraway.Butinthispositionthemoonisactuallyclosertooureyesthanwhenitisnearthehorizon. Thechangeinsizeisatrickoureyesandmindsplayonus.Whenthemoonislowintheskywecancompareitssizewithfamiliarobjects.Itiseasytoseethatthemoonismuchlargerthantreesorbuildingsforexample.Whenthemoonishighintheskyhoweveritishardtocompareitwithobjectsonearth.Comparedtothevastnessoftheskythemoonseemssmall. Thereisanotherreasonwhythemoonseemstoshrink.Weareusedtostaringatobjectsstraightaheadofus.Whenanobjectisdifficulttoseeoureyeshavetotrytofocusonit.Whenwemoveourheadsbacktolookupwewilltryhardagain.Lookingatsomethingfromanunaccustomedpositioncanfoolyouintobelievinganobjectissmallerorfartherawaythanitis.Howeverscientistsdonotyetunderstandcompletelywhythemoonseemstoshrinkasitrisesinthesky. 1Whatmakesuspuzzledwhenthemoonishighinthesky? A.Itlooksdifferent. B.Itbecomeslarge. C.Itscolordisappears. D.Itsshapechanges. 2Whatreallyhappenswhenthemoonfloatsfartherawayfromthehorizon? A.Itturnsorange. B.Itcomesnearer. C.Itgoesfarther. D.Itgetsthroughdust. 3WhatdoestheauthorintendtosuggestbymentioningtreesandbuirdingsinPara.3? A.Theyarelowonearth. B.Theyarelargeobjects. C.Theycanaffectourjudgment. D.Theycanattractourattention. 4Whatcanweinferfromthetext? A.Thesizeofthemoonoftenchanges. B.Wedonotseethemoonasitreallyis. C.Themoonisbeginningtoshrinkmuch. D.Themoonisinfactahugeorangeglobe.
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