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长方体的三个面的面积分别是，，则长方体的对角线长是（ ）
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高一上学期数学《2017-2018学年甘肃省临夏州临夏中学高一（上）期末数学试卷》真题及答案
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长方体的三个面的面积分别是则长方体的对角线长是
3
若长方体相邻的三个面的面积分别是则长方体的体积为.
若长方体相邻三个侧面的面积分别是则该长方体的体积是.
一个长方体共一顶点的三个面的面积分别是这个长方体对角线的长是.
长方体共顶点的三个面的面积分别为12cｍ２15cｍ２20cｍ２则它的外接球表面积为.
一个长方体相邻三个面的面积分别是10平方分米15平方分米和6平方分米那么这个长方体的表面积是平方分
把3块棱长1.5dm的正方体木块拼成一个长方体．这个长方体的体积表面积分别是多少
若一个长方体共顶点的三个面的面积分别是求这个长方体的对角线长与体积
一个长方体共一个顶点的三个面的面积分别为这个长方体对角线的长是
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3
6
长方体三个面的面积分别为26和9则长方体的体积是
6
3
11
12
一个长方体共一项点的三个面的面积分别是这个长方体对角线的长是
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长方体的长宽高分别为345则该长方体的对角线长为__________
一个长方体共一顶点的三个面的面积分别是这个长方体对角线的长是
） 2
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） 3
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长方体的三个相邻面的表面积分别为236这个长方体的顶点都在同一个球面上则这个球的表面积为
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长方体的一个顶点上三条棱长分别是345则其体对角线长为.
长方体的8个顶点在同一个球面上且长方体的对角线长为4则该球的体积是________.
一个长方体共一顶点的三个面的面积分别是这个长方体它的八个顶点都在同一个球面上这个球的表面积是.
长方体的三个面的面积分别是则长方体的对角线长是
3
长方体的三个面的面积分别是则长方体的体积是
6
长方体的三个面的面积分别是则长方体的体积是．
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Benisusedtoupearly.get
Whatisrudeandwhatispoliteisdifferentindifferentcountries.SomethingsthatmanyChinesepeopledocanbeconsideredrudeornot1inWesterncountries.Hereissome2aboutwhatNOTtosayordo.Let's3.Inbusinesssettingsoneshouldnever4aforeigneracigarette.Smokingkills.Don't5anyone.ThatisveryRUDEanditsmellsverybad.Smokerssmell.PLEASEDON'TSMOKE!6getangryatsomeoneforgoingDutch各自付账and7thebillwhenyoueatout.IntheWestitshowsequal平等的8.TrygoingDutchItischeaperanditshowsequality!WheneatingdinnerinNorwayandtheUnitedStatesitispoliteto9everythingonyourplateto10thatyouenjoyedthefood11insomecountriesitispolitetoleavesomeofthefoodonyourplate.Don'tusebad12atwork.Eventhoughsomefamouspeople13thembadwordsareasignofabadeducation.Badwordsshouldbeused14ornotatall.Ifyouhavetospit吐痰clearyournoseorcleanyourearsdoitinthebathroomwherenoonecan15you.Don'tbeaRUDEpersonatyourofficeorinpublic. 1.A.polite B.important C.particular D.pleased2.A.manners B.symbols C.news D.advice 3.A.havearest B.havealook C.haveatry D.haveatalk 4.A.pick B.sell C.offer D.point 5.A.seek B.kill C.stop D.trouble 6.A.Always B.Never C.Sometimes D.Often 7.A.pay B.keep C.share D.take 8.A.aim B.respect C.payment D.emotion 9.A.leaveoff B.takeaway C.putoffD.eatup 10.A.show B.know C.say D.lead11.A.and B.but C.so D.because 12.A.words B.sentences C.passages D.texts 13.A.use B.hate C.make D.discuss 14.A.asmuchaspossible B.aslittleaspossible C.asoftenaspossible D.assoonaspossible 15.A.stop B.prevent C.see D.hurt
下列说法中正确的是
Thereareaboutfifteenhundredlanguagesintheworld.But1.afewofthemareveryimportant.Englishisoneofthese.ManymanypeopleuseitnotonlyinEnglandandtheUSAbutinotherpartsoftheworld.About200000000peoplespeakitastheirownlanguage.Itis difficulttosayhowmanypeoplearelearningitasa2.language.Manymillionsaretryingtodoso.IsiteasyordifficulttolearnEnglish?Differentpeoplemayhavedifferent3..Haveyouever4.adsofthiskindinthenewspapersormagazines?LearnEnglishinsixweeksoryour5.back...Easyandfunny!Ourrecordsandtapes6.youmasteryourEnglishinamonth.7.thefirstdayyourpronunciationwillbeexcellent.Justsend...Ofcourseitneverhappenedquitelikethis.Theonlylanguagethatseemseasytolearnisthemothertongue.Weshould8.thatwealllearnedourownlanguagewellwhenwewere9..IfwecouldlearnEnglishinthesamewayitwouldnotseemsodifficult.10.whatasmallchilddoes.Helistenstowhatpeoplesay.Hetrieswhathehears.Whenheisusingthelanguagetalkinginit11.initallthetime.Justimaginehowmuch12.thatgets!Soitis13.tosaythatlearningEnglishiseasybecauseagoodcommandofEnglish14.onalotofpractice.Andpracticeneedsgreateffortand15.muchtime.Goodteachersrecordstapesbooksand.dictionarieswillhelp.Buttheycannotdothestudent'sworkforhim.1.A.not B.quite C.only D.very 2.A.native B.foreign C.useful D.mother3.A.questions B.problems C.ideas D.answers 4.A.found B.watchedC.noticed D.known 5.A.knowledgeB.time C.money D.English6.A.make B.help C.let D.allow 7.A.From B.On C.Since D.After 8.A.know B.rememberC.understand D.think 9.A.students B.children C.babies D.grown-ups 10.A.Imagine B.Mind C.Do D.Thinkof 11.A.using B.thinking C.trying D.practicing 12.A.time B.money C.language D.practice 13.A.hard B.easy C.funny D.silly 14.A.depends B.tries C.has D.takes 15.A.uses B.takes C.gets D.costs
Weshouldmakeanetomakeourlifebetter.
Travelingtoeverypartoftheworldgetseasierbuthowwelldoweknowandunderstandeachother?Here'sasimpletest.Imagineyouareplanningtoholdameetingatfouro'clock.Whattimeshouldyouexpectyourforeignbusinessfriendstoarrive?IftheyareGermansthey'llarriveontime.IftheyareAmericansthey'llprobablybe15minutesearly.IftheyareEnglishmenthey'llbe15minuteslateandyoushouldallowuptoanhourfortheItalians.TheBritishseemedtothinksincetheEnglishlanguagewaswidelyusedintheworldpeoplewouldalwaysunderstandwhattheydo.Howevertheyfoundtheywerecompletelywrong.ForexampletheBritisharehappytohaveabusinesslunchanddiscussbusinessmattersandhaveadrinkduringthemeal.TheJapaneseprefernottoworkwhileeating.Lunchisatimeforthemtorelaxandgettoknoweachotherandtheydon’tdrinkatlunchtime.TheGermansliketotalkbusinessbeforedinner.TheFrenchliketoeatfirstandtalkafterwards.Theyhavetobewellfedandwateredbeforetheydiscussanything.根据短文内容选择正确答案 1.WhatdotheGermanspreferwhentheygotoameeting?A.Theyprefertobeontime.B.Theyprefertoarriveveryearly.C.Theyprefertoarriveverylate.D.Theyprefertoarrivealittlelate.2.AccordingtothetextifagroupofEnglishmenAmericansandItaliansholdameetingwhowillbethelasttoarrive? A.TheEnglishmen. B.TheAmericans. C.TheItalians. D.BoththeEnglishmenandtheItalians. 3.WhatdotheJapaneseliketodoatlunchtime? A.Todrink. B.Togettoknoweachother. C.Totalkaboutbusiness. D.Toworkonly. 4.AccordingtothewritertheBritishliketo. A.arriveontimeandtalkaboutbusinessduringthemeal B.arriveearliestandhatetalkingbusinessatameal C.arrive15minuteslateandtalkaboutbusinessafterthemeal D.arrive15minuteslateanddiscussbusinessduringthemeal 5.Bygivingusthetwoexamplesthewritermeanstoshowusthat. A.differentcountrieshavedifferentculturesindifferentpartsoftheworld B.theGermansaremoreseriousandhavegoodlivinghabits C.theItaliansarecarelesspeopleandtheyareneverontimeforeverything D.theFrenchpeopleareverylazy.Theyprefereatinganddrinkingmore
临武鸭是中国八大名鸭之一是中国地理标志产品它的羽毛颜色有白色麻灰土黄和棕褐色由两对相互独立的等位基因控制基因Aa在常染色体上基因Bb在性染色体的非同源区上基因A控制合成酶A形成麻灰色羽毛基因B控制合成酶B形成土黄色羽毛无AB基因时羽毛呈白色AB同时存在时羽毛呈棕褐色．图1示羽色遗传机理图2为临武鸭一个家系的羽毛颜色遗传图谱．请回答下列问题12号为一只棕褐色个体其基因型为3号与2号交配时生出7号时产生的卵细胞基因型为请在下侧方框中画出3号产生此卵细胞过程中减数第一次分裂后期的图象只需画出相关基因所在的染色体并在染色体的对应位置标注相关基因．．2此家系中8号为白色羽毛的概率为．3现有一只麻灰雄鸭欲在一个繁殖季节内鉴定其基因型请完成以下实验设计设计思路选择与之杂交预期结果及分析①若子代该麻灰雄鸭为杂合子②若子代该麻灰雄鸭很可能为纯合子．
—Where'syourbrotherBob? —IsawhiminthestreetamomentagoandItoldhim. A.playingdon'tdoso B.playingtonotdoso C.playtodoso D.playnottodoso
如概念图中a代表某一生物学名词其包括b．c．d．e四部分内容．下列错误的是
ThestudentsareggettingusedtothepronunciationofthenewEnglishteacher.
木聚糖酶系可以将半纤维素一种多糖转化为单细胞蛋白和其他有用物质．有些嗜热菌能产生耐热木聚糖酶在食品工业上具有较高的潜在应用价值．现欲从温泉中分离能分解半纤维素的嗜热菌并从中筛选木聚糖酶高产菌株获得耐热木聚糖酶．回答下列问题1实验中接种环使用前后都在酒精灯上灼烧其目的是．2取适量体积的样品涂布在富含且其为唯一碳源的固体培养基上置于恒温培养箱中培养菌落长出后挑取单个菌落并进行一系列操作然后在培养基上用法接种培养进行菌株的．最后将得到的菌株接种到填固体或液体培养基中富集．3将富集后的菌株接种于固体培养基上待菌落长出后用0.1%的染色1h再用1mol/LNaCl脱色．菌落周围会出现筛选的菌落即为木聚糖酶高产菌株．
It'sveryimportanttoknowabouttablem.
如图所示完全相同的甲乙两个烧杯内装有密度不同的液体．在两烧杯中距离杯底同一高度处有AB两点已知AB两点压强相等则烧杯甲乙对桌面的压强p甲p乙大小关系为
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youareyoushouldrespectothers. A.Whenever B.Whatever C.Wherever D.Whoever
为了研究特殊温度和昼夜温差对天竺葵生长的影响状况已知该地天竺葵生长的适宜温度条件是20〜30℃科研人员分别在20℃和40℃培养条件下其他条件适宜测得天竺葵的部分数据如图A图B是昼夜温差对天竺葵生长的影响其中曲线a为日温为26℃曲线b为昼夜恒温．请据图回答1图A中叶肉细胞间隙C02主要来源于．2某兴趣小组测定了20〜40℃范围内该植物的净光合速率发现30℃时净光合速率最大则30℃填是不是或不一定是光合作用的最适温度原因是．3若将培养温度由20℃快速提升至40℃时据图分析该植物叶肉细胞间隙C02浓度明显填上升或下降这一变化的主要原因是．4从图B曲线a中可以看出茎在夜间温度为20℃时的生长速率比在10℃时要快原因是．5图B中ab两曲线的夜间温度都为5℃时曲线a比b反映出的生长速率快原因是．
It'shardtomakefriendsifyoustayathomealoneallthetime.Getoutofthehouseanddothingsthatwillputyouintouchwith接触otherpeople.It'seasiertomakefriendswhenyouhavesimilarinterests. Don'tbeafraidtoshowpeoplewhatyou'rereallygoodat.Talkaboutthethingsyoulikeanddobest.Peoplewillbeinterestedinyouifthereissomethinginterestingaboutyou. Lookatpeopleintheeyewhenyoutalktothem.Thatwaythey'llfinditeasiertotalktoyouorpeoplemaythinkyou'renotinterestedinthemandmaystopbeinginterestedinyou. Beagoodlistener.Letpeopletalkaboutthemselvesbeforetalkingabout“mememe.”Asklotsofquestions.Showaninterestintheiranswers. Trytomakefriendswiththekindofpeopleyoureallylikerespectandadmire—notjustwiththosewhoareeasytomeet.Befriendlywithalotofpeople.Thatwayyou'llhaveabiggergroupofpeopletochoosefromandhavemorechancesformakingfriends. 根据短文内容回答问题. 1.Howcanwehavemorefriendsgetintouchwithotherpeopleorstayathome? 2.WhenJimtalkstopeoplehealwayslooksrightleftoratthefloor.Doyouthinkit'sright? 3.Cindyalwaystalksaboutherselfwhenshetalkstootherpeople.Whatadvicedoyouthinksheneedstofollow? 4.Whatshouldyoudoifyouwanttohavemorechancesformakingfriends? 5.What'sthemainideaofthepassage?
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取人体不同类型的细胞123检测其基因组成及基因表达情况结果如下表“+”表示存在“一”表示不存在．下列叙述错误的是
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Therearemanysocialcineachcountrysoweshouldremember.WheninRomedoastheRomansdo.
OurlocalCommunityYouthClubisaverypopularorganizationwithyoungpeopleinmytown.IhavebeenamemberforfouryearsnowandI'vetakenpartinalotofinterestingprojects.Theseincludefunactivitiessuchasholidaycampsanddiscos.Wehaveevenmadeavideo.Butitisn'talljustenjoyment.Wehavealsostarteddoingsocialworktohelppeopleinourneighborhood.Wehaveorganizedactivitiesforsmallchildrenduringtheholidays.Wehavealsoformedaspecialsupportgrouptohelpyoungpeoplestopsmoking.Weareparticularlyproudofthemostrecentgroupwehavecreated.Itorganizesregularvisitstothelocalhomefortheelderly.Thisideacamefromaschoolvisittoahomefortheelderly.Myclassspentanafternoonatthehomeandeveryonefoundthevisitveryrewarding有价值的.Theoldpeopleatthehomewereexcitedbyourvisit.Theywereverytalkative健谈的andtheytoldustheirpersonalstories.Duringourvisitthehomewasfullofthesoundoflaughter.Wesangsongsandplayedgameswiththeoldpeopleandhadteatogether.Butwerealizethatlifewasn’talwayseasy.Someofthemwereinpoorhealthandwereveryunhappy.Theycouldn'tgooutsideandthevisitsbychildrenbroughtsomesunshineintotheirlives.Manyyoungpeoplelikemehaveverylittlecontactwithelderlypeople.Asaresultwehavealotofwrongideasaboutthem.Wehavelittleornoideaofthekindoflivestheyleadinthehomes.AfterthisvisitmyfriendsandIdecidedweshoulddosomethingtohelpimprovethequalityoftheirlives.Sincethecreationofourvisitinggroupovertwentyvolunteershavejoinedus.Uptonowwehaveorganizedthreeeveningpartiesandaconcert.ButIthinktheindividual单独的visitsarethemostimportant.Clubmembersregularlyvisitoldpeopleandeveryonefindstheexperiencerichandrewarding.根据短文内容回答问题 1.IsthewriteramemberoftheCommunityYouthClub?2.Howdidtheoldpeoplefeelbythechildren'svisit? 3.Whydoyoungpeoplehavewrongideasabouttheelderly? 4.Whatdidthewriterandhisfriendsdecidetodoafterthevisittothehomefortheelderly? 5.Putthesentence“Theycouldn'tgooutsideandthevisitsbychildrenbroughtsomesunshineintotheirlives.”intoChinese.
BeijingisthecofChina.
ThepeopleinColumbiaareprettyabouttime.relax
某工人用如图所示的装置将重150N的木块在10s内竖直向上匀速提升4m此装置是滑轮选填“定”或“动”该工人拉力的功率为W滑轮和绳的重力摩擦均不计．
Myfatherwassopoorthathealwaysoldclotheswhenhewasyoung.wear
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