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發表於:2019-02-06
問題詳情: 讀經緯網地圖,完成1﹣3題.1.*地的經緯度是()A.40°E,20°SB.20°E,40°SC.40°W,20°ND.20°W,40°N2.圖中,*點位於乙點的()A.正北方向 B.東南方向 C.正南方向 D.西南...
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發表於:2021-02-28
問題詳情:乙數為a,若*數比乙數小40%,則*數為()A.a-40% B.40%a C.(1-40%)a D.(1+40%)a【回答】C知識點:從算式到方程題型:選擇題...
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發表於:2018-07-12
SCiswideningitshorizonanddeepeningitsmeaning.ThehistoryofSCcanbedividedintothreephases:PopularizationofScience(PS),PublicUnderstandingofScience(PUS),ScienceCommunication(...
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發表於:2020-05-11
問題詳情:Ioftengotothebookstore QuanchengRoadalthoughit'scrowded.A.onB.forC.from D.between【回答】A知識點:介詞和介詞短語題型:選擇題...
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發表於:2020-08-14
問題詳情: handwritinglooksthebestinyourclass?A)Who B)Who'sC)WhoseD)Whom【回答】C知識點:物主代詞題型:選擇題...
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發表於:2020-10-09
問題詳情:以下估測與實際情況相符的是A.人體感覺舒適的環境温度約為40℃ B.人正常步行的速度約為5m/sC.中學生脈搏跳動一次的時間約為3s D.一支新鉛筆的長度約為1...
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發表於:2017-03-22
全*大整編後,3縱改編為第四野戰*40*。以雷州半島的頂端為界,左側為東路43*兩個團,右側為西路40*6個團,近400只戰船在海面上矗起一片片帆桅的森林,順風順流,浩蕩南下。...
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發表於:2021-04-29
問題詳情:閲讀填詞LunchisanimportantmealforgrowingstudentstheUS,schoolsa1 thecountryarechangingtheirmenustoserveh2 food,butmostschoolsgivestudentslittletimetoeat.Anewsu...
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發表於:2021-11-08
問題詳情:—Theyardissocleantodayandeverythinglooksfine.—Yes.It,sclearthatsomeone it. A.cleans B.cleaned C.hascleanedD.wascleaning【回答】C知...
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發表於:2019-02-03
問題詳情:如圖,三稜錐S-ABC中,稜SA,SB,SC兩兩垂直,且SA=SB=SC,則二面角A-BC-S大小的正切值為()A.1B.C.D.2【回答】 C 知識點:點直線平面之間的位置題型:選擇題...
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發表於:2021-04-10
問題詳情: A thief who dropped a winning lottery ticket at the scene of his crime has been given a lesson in honesty. His victim, who picked up t...
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發表於:2021-09-13
問題詳情:--Isairthelightestthingintheworld? --Not .ScientistsfromZhejiangUniversityhavejustdevelopedtheworld’slightestmaterial. A.now ...
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發表於:2020-09-06
問題詳情: (40.)_______Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso.however.Anyonecanbecomeabetterstudentifheorshewantsto.Here,show: ...
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發表於:2019-10-15
問題詳情:樣本方差的計算式S2=[(x1-40)2+(x2-40)]2+。。。+(xn-40)2]中,數字20和40分別表示樣本中的 ...
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發表於:2020-06-30
問題詳情:以下估測與實際情況相符的是()A.人體感覺舒適的環境温度約為40℃B.人正常步行的速度約為5m/sC.中學生脈搏跳動一次的時間約為3sD.一隻普通雞蛋的質量約為50g【回答】解:A、人感覺舒適...
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發表於:2021-03-18
問題詳情:如圖4117,若∠1=40°,∠2=40°,∠3=116°30′,則∠4=________. 【回答】63°30′知識點:平行線及其判定題型:填空題...
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發表於:2021-11-02
問題詳情: SchoolProgramsHillbrook School Emerson ...
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發表於:2020-11-04
問題詳情:如圖,在三稜錐S-ABC中,SC⊥平面ABC,點P、M分別是SC和SB的中點,設PM=AC=1,∠ACB=90°,直線AM與直線SC所成的角為60°.(1)求*:平面MAP⊥平面SAC;(2)求二面角M-AC-B的平面角的正切值. ...
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發表於:2019-08-12
問題詳情:-40-(-19)+(-24) 【回答】-45 知識點:有理數的加減法題型:計算題...
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發表於:2023-02-25
問題詳情:下列物質不屬於配位化合物的是()A.CuSO4·5H2O B.[Fe(SCN)2]Cl2C.NH2Cl D.[Ag(NH3)2]OH【回答】C...
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發表於:2020-04-07
問題詳情:MYRTLEBEACH,SC(WMBF)StudentsatHorryGeorgetownTechnicalCollegearedoingmock(模擬)interviewstogetthemreadyfortherealworld.Theyarelearningaboutbodylanguage,aswellaswh...
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發表於:2020-06-15
問題詳情:—HowoldisUncleLi?— 40. A.It’s B.He’s C.She’s D.His【回答】B知識點:人稱代詞題型:...
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發表於:2021-06-02
問題詳情:如圖,已知點B在以AC為直徑的圓上,SA⊥面ABC,AE⊥SB於E,AF⊥SC於F.(I)*:SC⊥EF;(II)若求三稜錐S—AEF的體積. 【回答】解:(I) (II)中,又由(I)知得由(I)知知識點:點直線平面之間的位置題型:解答...
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發表於:2020-07-17
問題詳情:閲讀理解Onemorningmothercamefromheroffice,shelookedatTom'scoatandsaid:“Lookatyourcoat,Tom.It'stoodirty.Youmustcleanitnow.”“Oh,mother,butIcleanitonlyyesterday...
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發表於:2019-08-09
問題詳情:____________tothinkcriticallyisanimportantskilltoday'schildrenwillneedforthefuture.A.Learn B.Learned C.Learning D.Havinglearned【回答】 C...