有關A.12B.14C.21D.41的精選知識
知識的精華會讓學習更簡單容易,熱門的A.12B.14C.21D.41鑑賞列表是專門提供A.12B.14C.21D.41的相關精彩內容的地方,這裡的A.12B.14C.21D.41相關內容,小編都精心編輯,精選優質A.12B.14C.21D.41的相關知識,分享一些A.12B.14C.21D.41方面的精華知識。
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若兩個三角形的相似比為1:2,則它們的面積比為( )A.1:2B.1:4C.2:1D.4:1
問題詳情: 若兩個三角形的相似比為1:2,則它們的面積比為( )A.1:2B.1:4C.2:1D.4:1【回答】B知識點:相似三角形題型:選擇題...
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41.Ithinkheisnot
問題詳情:41.Ithinkheisnot______(self).Hehasbeenconcernedwith peoplearoundhim.42.Millionsoffansadmirehisathleticability,_________(motivate)andconfidence.43.___________wewillgocampingtomorrowornotdepend...
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ItwasacoolOctoberevening.Excitementandfamilymembers 41...
問題詳情:ItwasacoolOctoberevening.Excitementandfamilymembers 41 thehall.Iwasonlya7-year-oldgirl,butIwasthecenterof 42 .Finally,afterweeksofpreparation,Iwould 43 allmyhardworkinadanceper...
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41.Thustheprinceandtheprincesslived
問題詳情:theprinceandtheprincesslived______(和平地)together.42.Movingtoanewhouseisavery_________(緊張的)experience.43.Hec_____(抱怨)thatnothingcameoutthewayhehadexpected.44.Suddenlyhereceivedan_____(緊...
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下列計算正確的是( )A.(-0.875)×=B.-×(-6)=-3C.-7×(-3)=21D.(-...
問題詳情:下列計算正確的是( )A.(-0.875)×=B.-×(-6)=-3C.-7×(-3)=21D.(-4)×0=-4【回答】C知識點:有理數的乘除法題型:選擇題...
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I’vedreamedofbecomingawritersinceIwasateenager.But 41 ...
問題詳情:I’vedreamedofbecomingawritersinceIwasateenager.But 41 isn’teasytogetabookofminepublished. 42 I’vetriedhard,noneofmybookshavebeenpublished.Thisisreally 43 (upset).Thismorni...
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下列敘述錯誤的是 ( )A.13C和14C屬於同一種元素,它們互為同位素B.14C...
問題詳情:下列敘述錯誤的是()A.13C和14C屬於同一種元素,它們互為同位素B.14C和14N的質量數相等,它們的中子數不等C.6Li和7Li的電子數相等,中子數也相等D.1H和2H是不同的核素,它們的質子數相等【回答】C知識點:物質結構元素週期律...
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已知*A={x|x2+ax+12b=0}和B={x|x2-ax+b=0},滿足(∁RA)∩B={2},A∩(...
問題詳情:已知*A={x|x2+ax+12b=0}和B={x|x2-ax+b=0},滿足(∁RA)∩B={2},A∩(∁RB)={4},求實數a,b的值.【回答】解:由條件(∁RA)∩B={2}和A∩(∁RB)={4},知2∈B,但2∉A;4∈A,但4∉B.將x=2和x=4分別代入B,A兩*中的方程得即解得a=,b=-即為所求.知識點:*與...
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14C是一種放**同位素,在一定條件下,14N可轉變為14C,下列說法正確的是( )A.14C和14N互為...
問題詳情:14C是一種放**同位素,在一定條件下,14N可轉變為14C,下列說法正確的是( )A.14C和14N互為同位素 B.14N和C60是同素異形體C.C核素中的中子數為8 D.14CO2的摩爾質...
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計算(﹣3)+(﹣9)的結果是( ) A.﹣12B.﹣6C.+6D.12
問題詳情:計算(﹣3)+(﹣9)的結果是()A.﹣12B.﹣6C.+6D.12【回答】A知識點:各地會考題型:選擇題...
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41.MoststudentsinChinacan’tspeakEnglish
問題詳情:studentsinChinacan’tspeakEnglish_____________(fluent).42._____________(determine)tomakehisdreamcometrue,hewenttoBeijingforfurtherstudy.problemisfarfrom___________(settle),sowewillhavetodiscus...
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“WASP-12b”造句,怎麼用WASP-12b造句
Theexoplanet,calledWASP-12b,isagasgiant,likeJupiter.WASP-12bisagaseousplanet,about1.5timesthemassofJupiter,andalmosttwicethesize.被叫作WASP-12b的行星是目前發現的最熱的行星(約4,000華氏度,或約2,200攝氏度),相...
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Britishpeopleareworkingtoanolderage.41.
問題詳情:Britishpeopleareworkingtoanolderage.41._____numberofworking70-74-year-oldshasdoubledinrecentyears.Around10%ofpeoplein42.______(they)early70snowwork.Thisisthe43.______(high)figureonrecord.Animp...
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Fastfoodisbecomingmoreand 41
問題詳情:Fastfoodisbecomingmoreand 41 _____ popularinChina,especiallyamongchildrenandteenagers.Thereareseveralexplanationsfor itspopularity.First,itisveryconvenientand42 a...
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MybrotherandIslippedoutofthebed.Wegrabbedour 41 ...
問題詳情: MybrotherandIslippedoutofthebed.Wegrabbedour 41 andputonourshoes.Withoutheatersinouroldhome,wearingcoatsinsidewasas 42 aswearingshirtsinsummer. Butthismorningwas...
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A 41 thinghappened 42 melastSunday.Itwassuchabeautif...
問題詳情:A 41 thinghappened 42 melastSunday.Itwassuchabeautifulday 43 Idrovetogoforalookinthecountry.Onthewaybackhome,my 44 stopped.Itwasoutofgasona 45 roadfarfromatown!Idecidedto...
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AtanairportIoverheardafatheranddaughterduringtheir 41 ...
問題詳情:AtanairportIoverheardafatheranddaughterduringtheir 41 momentstogether.Her 42 wasreadyforboarding.Theyhuggedandhesaid,“Iloveyou.Iwishyou 43 ”Sheinturnsaid,“Daddy,Iwishyouenoug...
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ChristopherReeve, 41
問題詳情:ChristopherReeve, 41__wasborninSeptember,1952,wasinhisfirstschoolplay 42__hewaseightandhestartedtoactinTVshowsandfilmswhilehewasstillincollege.Hemademany____43___(success)filmsandTVshowsbuth...
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“14c”造句,怎麼用14c造句
用14c示蹤技術研究了金釵石斛光合產物運轉與分配的變化。但是,對14c資料的系統校正,迄未得到應有的重視,致使在應用14c資料解釋地層和地質現象的年代時,存在著一定程度的混亂。...
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A 41 thinghappened 42melastSunday.Itwassuchabeautifuld...
問題詳情:A 41 thinghappened 42melastSunday.Itwassuchabeautifulday 43 Idrovetogoforalookinthecountry.Onthewaybackhome,my 44 stopped.Itwasoutofgasona 45roadfarfromatown!IdecidedtowalkuntilIfounds...
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Amanandhisgirlfriendweremarried.Itwasalarge 41 . A...
問題詳情: Amanandhisgirlfriendweremarried.Itwasalarge 41 . Alloftheirfriendsand42cametoseethelovelyceremonyandto43inthefestivitiesandcelebrations.Allhad awonderfultime.The bridewas ...
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Onceuponatime,therewasapoorman.His 41 wasalsoverypoor—a...
問題詳情:Onceuponatime,therewasapoorman.His 41 wasalsoverypoor—asmallandemptyhouse,whichwas 42 withspiderwebs(蜘蛛網).Peopletriedto 43 comingintohishouseastheydidn’twanttocometosucha 44 place...
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31×41-11×41×2-9.5×11.
問題詳情:31×41-11×41×2-9.5×11.【回答】31×41-11×41×2-9.5×11=31×41-11×41-11×41-9.5×11=41×(31-11)-11×(41+9.5)=(41+)×20-(11+)×51=820+10-561-17=252.知識點:有理數的乘除法題型:計算題...
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執行下面的程式框圖,則輸出的A. 17B. 19C. 21D. 23
問題詳情:執行下面的程式框圖,則輸出的A. 17B. 19C. 21D. 23【回答】C知識點:大學聯考試題題型:選擇題...
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41.Stayingupforplayingcomputergamesis
問題詳情:41.Stayingupforplayingcomputergamesis_________(harm)tochildren’health. 42.TheUSisChina’sbiggestexportmarket,___________(account)formoreth...