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23B.24C.25D.26的精選
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23B.24C.25D.26的精選
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數列{an}的通項公式為an=2n﹣49,當Sn達到最小時,n等於( ) A.23B.24C.25D.26
2022-09-06
問題詳情:數列{an}的通項公式為an=2n﹣49,當Sn達到最小時,n等於()A.23B.24C.25D.26【回答】B考點:等差數列的前n項和;等差數列與一次函式的關係.專題:計算題.分析:由已知可判斷數列wie等差數列,並且可得等差數列{an}的前24項為負值,從第2...
下列染*體數目,一般不可能是體細胞的是A.23B.24C.46D.68
2019-10-20
問題詳情:下列染*體數目,一般不可能是體細胞的是A.23B.24C.46D.68【回答】A【解析】試題分析:細胞*中最重要的變化是細胞核中染*體的變化,在細胞*的過程中,染*體複製加倍,隨著*的進行,染*體分成完全相同的兩份,分別進入兩個新細胞...
閱讀程式(如圖),若a=45,b=20,c=10,則輸出的結果為( ) A.10B.20C.25D.45
2022-08-13
問題詳情:閱讀程式(如圖),若a=45,b=20,c=10,則輸出的結果為()A.10B.20C.25D.45【回答】A知識點:框圖題型:選擇題...
26.Thelittleboywascurious
2021-06-08
問題詳情:26.Thelittleboywascurious________everythingintheexhibitionhall.27.His ________(arrive)broughtcompletesilencetotheroom.28.Whatremindedme________yourfatheristhewayyouspeak.29.Mr.LiYangthinks___...
26.Shecouldn’tunderstandhisteacher
2019-10-25
問題詳情:26.Shecouldn’tunderstandhisteacher___________(entire).27.Lastmonth,thousandsofhouses__________(destroy)inthestorm.28.JohnGoodallhasdevotedallherlife_______________theprotectionofwildlife.29.T...
在2min內,通過小燈泡燈絲橫截面的電荷量是24C,通過它的電流是 A.
2021-10-09
問題詳情:在2min內,通過小燈泡燈絲橫截面的電荷量是24C,通過它的電流是A.【回答】 解:通過小燈泡的電流:I===0.2A.故*為:0.2.知識點:焦耳定律題型:填空題...
用“An-26”造句大全,An-26造句
2024-02-10
1、TheAntonovAn-26isaturbopropmilitarytransportaircraft,amodificationoftheAN-24.2、An-26isthemostwidespreadtransportplaneintheworld.3、An-26cantakeonboardupto5.5tonnesofload(or40paratroopers)andgetitt...
計算:(﹣)5×26= .
2020-05-04
問題詳情:計算:(﹣)5×26= .【回答】﹣2.【分析】根據冪的乘方解答即可.【解答】解:,故*為:﹣2【點評】此題考查冪的乘方,關鍵是根據冪的乘方的法則解答.知識點:整式的乘法題型:填空題...
WhenIwasaboy,everyholidaythatIhadseemedwonderful.My 26...
2019-08-11
問題詳情:WhenIwasaboy,everyholidaythatIhadseemedwonderful.My 26 tookmebytrainorbycartoahotelbythe 27 .Allday,Iseemtoremember,I 28 onthesandswithstrange 29 children.Wemadehousesand...
Mobilephonesareeverywhereinbigcities.Itseemsthat 26 can...
2020-07-19
問題詳情:Mobilephonesareeverywhereinbigcities.Itseemsthat 26 cansurvivewithoutone.Mobilephonesareagreat 27 tostayconnectedwithfriendsandfamily.28,itisimportanttorememberthattherearecertaintimes 29...
Thejobsofthefuturehavenotyetbeeninvented. 26 Byhelp...
2020-01-06
問題詳情:Thejobsofthefuturehavenotyetbeeninvented. 26 Byhelpingthemdevelopclassicskillsthatwillservethemwellnomatterwhatthefutureholds.1.CuriosityYourchildrenneedtobedeeplycurious. 27 ...
HowtoMakeFriendsGoodfriendshiphasmanyadvantages. 26 ...
2019-12-24
問題詳情:HowtoMakeFriendsGoodfriendshiphasmanyadvantages. 26 Butformanyofusitisdifficultandrequirescourage.Belowaresomehelpfulsuggestionsonhowtomakeandkeepfriends.Startaconversation.Startingaco...
.計算:153°﹣26°40′=
2019-10-26
問題詳情:.計算:153°﹣26°40′=_______.【回答】126°20′.【考點】度分秒的換算.【分析】根據度分秒的減法,相同單位相減,不夠減時向上一單位借1當60再減,可得*.【解答】解:原式=152°60′﹣26°40′=126°20′.故*為:126°20′.知識...
CyberBoy5-26-20122:15pmHi,I’mplanningatriptoEuropethiss...
2020-02-06
問題詳情:CyberBoy5-26-20122:15pmHi,I’mplanningatriptoEuropethissummer.Ihaven’tdecidedwheretogoyet,butI’dliketoexperienceBritainandFrance.AndIdon’twanttospendtoomuchmoney,anyideas? Esperanto5-26-20...
下列為同類項的一組是( )A.x3與23B.﹣xy2與yx2 C.7與﹣ D.ab與7a
2020-02-06
問題詳情:下列為同類項的一組是()A.x3與23B.﹣xy2與yx2 C.7與﹣ D.ab與7a【回答】C【考點】同類項.【分析】根據同類項的定義回答即可.【解答】解:A、x3與23,不是同類項,故A錯誤;B、相同字母的指數不相同,不是同類項,...
26.作文題目:
2020-08-18
問題詳情:26.作文題目:____________使我受益匪淺要求:(1)橫線上要求填的是一本書的書名或是一篇文章的篇名,要寫的是某一本書或某一篇文章使“我”受益匪淺。文中的“我”必須是考生自己;(2)不僅要寫出書名或文章名,還要寫出作者...
Whatisafairwage? 26 Thesearesomeofthequestionsthe...
2019-11-18
問題詳情:Whatisafairwage? 26 ThesearesomeofthequestionstheUnitedNationsInternationalLabourOrganization(ILO)hasrecentlyinvestigated. Withaglobalpopulationofoversevenbillion,isitactuallypo...
26.Themedicinehaslostits
2020-10-31
問題詳情:26.Themedicinehaslostits____(strong),youcan’ttakeit.27.Howbeautifullyshesings!Ihaveneverhearda____voice.(good)28.Hewasintearsand____(obvious)veryupset.29.---MustIreturnthebooktoday? ---No,yo...
用“26”造句大全,26造句
2024-01-13
1、Eachinitialcantakebeoneofthe26Englishletters,meaningthereare26x26=676possiblevaluesforthefirstandlastinitials.2、StudyonPelletsofXL-4-26SolidDispersionsandXL-4-26SolidDispersions;3、26歲時要學會的...
如圖,△ABC中,AD是BC的中垂線,若BC=8,AD=6,則圖中*影部分的面積是( ) A.48B.24C...
2022-07-18
問題詳情:如圖,△ABC中,AD是BC的中垂線,若BC=8,AD=6,則圖中*影部分的面積是()A.48B.24C.12D.6【回答】C 知識點:軸對稱題型:選擇題...
右圖中a點經緯度是A.(2°N,26°E) B.(2°N,26°W)C.(2°S,26°W) ...
2022-01-11
問題詳情:右圖中a點經緯度是A.(2°N,26°E) B.(2°N,26°W)C.(2°S,26°W) D.(緯度2°,經度26°)【回答】B知識點:地球和地球儀題型:選擇題...
11°23′26″×3.
2020-07-26
問題詳情:11°23′26″×3.【回答】原式=33°69′78″=34°10′18″.知識點:角題型:計算題...
BEIJING,Feb.26(ChinaDaily)--Asthesmogorangewarningconti...
2021-01-30
問題詳情:BEIJING,Feb.26(ChinaDaily)--Asthesmogorangewarningcontinues,touristattractionsinBeijingareexperiencingasignificantdecline(下降)invisitornumber.AnewreportlaunchedbyBeijingauthoritiesonthemornin...
Inmyopinion,weshouldtryourbest 26 (realize)ourgoalse...
2021-07-24
問題詳情:Inmyopinion,weshouldtryourbest 26 (realize)ourgoalseventhough 27 islittlehope.Theeffortsseemtobethelightsinthedarkness,leadingthewaytohopeandsuccess. Iusedtobe 28 sh...
26﹣17+(﹣6)﹣33;
2020-05-08
問題詳情:26﹣17+(﹣6)﹣33;【回答】原式=26﹣6﹣17﹣33=20﹣40=﹣20;知識點:有理數的加減法題型:計算題...
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