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關於T.的百科

物體做半徑為R的勻速圓周運動,它的向心加速度、角速度、線速度和週期分別為a、ω、v和T.下列關係式不正確的是(...
如圖所示,相鄰兩車站間距相等,在一條直線上.車在兩站間行駛時平均速度均為v車,每次靠站停頓時間均為t.某同學位...
Astudyfindsthatyoungsterswhohaveasisterarehappier.Why?T...
  • Astudyfindsthatyoungsterswhohaveasisterarehappier.Why?T...

  • 問題詳情:Astudyfindsthatyoungsterswhohaveasisterarehappier.Why?Theusualanswer—thatgirlsandwomenaremorelikelythanboysandmentotalkaboutemotions—issomehowunsatisfying,especiallytoaresearcherlikeofmyworkovertheyearshasdevelopedtheassumptionthatwomen'ss...
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Onlywhenyourealizetheimportanceofforeignlanguages     t...
Youngpeopleareoftenunhappywhentheyarewiththeirparents,T...
  • Youngpeopleareoftenunhappywhentheyarewiththeirparents,T...

  • 問題詳情:Youngpeopleareoftenunhappywhentheyarewiththeirparents,They  1thattheirparentsdon’tunderstandthem,Theyoftenthinktheirparentsaretoostrictwiththem.Parentsoftenfinditdifficulttowintheirchildren’strustandtheyseemtoforgethowtheythemselves  2 w...
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已知t>0,若,則t=             .
=(1-t,1-t,t),=(2,t,t),則|-|的最小值是(  )A.         B.       ...
設函數f(x)=tx2+2t2x+t-1(x∈R,t>0).(1)求f(x)的最小值h(t);(2)若h(t)...
  • 設函數f(x)=tx2+2t2x+t-1(x∈R,t>0).(1)求f(x)的最小值h(t);(2)若h(t)...

  • 問題詳情:設函數f(x)=tx2+2t2x+t-1(x∈R,t>0).(1)求f(x)的最小值h(t);(2)若h(t)<-2t+m對t∈(0,2)恆成立,求實數m的取值範圍.【回答】解(1)∵f(x)=t(x+t)2-t3+t-1(x∈R,t>0),∴當x=-t時,f(x)取最小值f(-t)=-t3+t-1,即h(t)=-t3+t-1.(2)令g(t)=h(t)-(-2t+m)=-t3+3t-1-m,由g′(t)=-3t2+3=0得t=1,t=-1(不合題意,捨去).當t變化時g′(t)...
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Whenyoulistentopeopletalkorreadsomethingwithoutatitle,t...
  • Whenyoulistentopeopletalkorreadsomethingwithoutatitle,t...

  • 問題詳情:Whenyoulistentopeopletalkorreadsomethingwithoutatitle,trytoinvent      title thatsummarizes         mainideas.A.the;a               B.the;the             C.a:a                    D.a:the【...
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T
  • T

  • 經典語錄有時候人得向命運屈服Sometimesamanhastosurrendertofate...
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T/T造句怎麼寫
  • T/T造句怎麼寫

  • Therefore,ifT/Tisnotdefinitelystipulatedinthetransaction,thebuyermakespaymentonlybyM/T.Consideringyourgoodtrackrecordandbearingagoodwishforthefuture,IagreetopaymentbyT/T.WeusuallyacceptpaymentbyL/CatsightdraftorbyT/Tinadvance,butneverbyC.O.D....
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Exactlyhowdochildrenbenefitfromafter­schoolactivities?T...
  • Exactlyhowdochildrenbenefitfromafter­schoolactivities?T...

  • 問題詳情:Exactlyhowdochildrenbenefitfromafter­schoolactivities?Thefollowingarethebenefitsofafter­schoolactivities:※Creativity__16__Obviouschoicesarearts,music,andperformingarts,butotheractivitieslikesportscanteachproblem­solvingskills.Thebestactivi...
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Thesystemhasbeendesignedtogivestudentsquickandeasy    t...
  • Thesystemhasbeendesignedtogivestudentsquickandeasy    t...

  • 問題詳情:Thesystemhasbeendesignedtogivestudentsquickandeasy    tothedigitalresourcesofthelibrary.A.access   B.passage   C.way  D.approach【回答】A解析:考查名詞的區別。該題的意思是:這個體系被設計目的是為了給學生們快速的容易的使用圖書館電子資...
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物體沿直線運動過程中,位移s與時間t的關係式是s(t)=3t2+t.我們計算在t時刻的附近區間[t,t+Δt]...
如果t>0,那麼a+t與a的大小關係是(  )A.a+t>a      B.a+t<a     C.a+t≥a...
已知向量=(t+1,1),=(t+2,2),若(+)⊥(-),則t的值為     
Studentsshouldinvolvethemselvesincommunityactivities  t...
  • Studentsshouldinvolvethemselvesincommunityactivities  t...

  • 問題詳情:Studentsshouldinvolvethemselvesincommunityactivities  theycangainexperienceforgrowth.A.who                      B.when                     C.which                   D.where【回答】D...
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  ItisreallysadnewsforGuinnessWorldRecords.TiffanyTwo,t...
  •   ItisreallysadnewsforGuinnessWorldRecords.TiffanyTwo,t...

  • 問題詳情:  ItisreallysadnewsforGuinnessWorldRecords.TiffanyTwo,theholderofthe61                  (old)catrecord,haspassedawayinhersleepat62                  ageof27years,2monthsand20days.BornonMarch13,1988inSanDie...
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IwasinBeijingthen.OtherwiseI                          t...
已知*M=,N=,則MN=(    )A.     B.{t|t>0}    C.{t|t}   D....
Anestimated80percentofAmericanadultsthinkmusiclessons,t...
  • Anestimated80percentofAmericanadultsthinkmusiclessons,t...

  • 問題詳情:Anestimated80percentofAmericanadultsthinkmusiclessons,thoughattimesboringandchallengingintheeyesofsomekids,improvechildren’sabilitytolearnortheirperformanceinschool.Theysaythatthesatisfactionforlearningtoplayanewsonghelpsachildexpresscreativ...
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    Howmanyreallysufferasaresultoflabormarketproblems?T...
  •     Howmanyreallysufferasaresultoflabormarketproblems?T...

  • 問題詳情:    Howmanyreallysufferasaresultoflabormarketproblems?Thisisoneofthemostcriticalyetdebatablesocialpolicyquestions.   Inmanyways,oursocialstatisticsoverstatethedegreeofhardship.Unemploymentdoesnothavethesamehorribleconsequencestodayasit...
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 —Ihaven’tworkedtheproblemoutyet.WhatamIsupposedtodo?—T...
  •  —Ihaven’tworkedtheproblemoutyet.WhatamIsupposedtodo?—T...

  • 問題詳情: —Ihaven’tworkedtheproblemoutyet.WhatamIsupposedtodo?—Tryagain!It’sonlydifficult.A.alot                                 B.abitC.toomuch                        D.toomany【回答】B知...
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  Ifpeoplecouldnotaskforeignvisitorspersonalquestions,t...
  •   Ifpeoplecouldnotaskforeignvisitorspersonalquestions,t...

  • 問題詳情:  Ifpeoplecouldnotaskforeignvisitorspersonalquestions,therewouldbelittletotalkabouttomakethe_______________________________________ofstrangers.A.appointment           B.presentation         C.recommendation       ...
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_____thetwinsenjoyed_______atthepartyyesterday.A.Both;t...