- 问题详情:选词填空Itisn’tjustthebeerthat15.tobeerbellies.Itcouldalsobetheextracalories,fatandunhealthyeatingchoicesthatmaycomewith 16.drinking.Arecentstudyfoundthatmenconsumean17.433calories(equivalenttoaMcDonald’sdoublecheeseburger)ondaystheydrinkamod...
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- 问题详情:如果t>0,那么a+t与a的大小关系是( )A.a+t>a B.a+t<a C.a+t≥a D.不能确定【回答】A;知识点:不等式题型:选择题...
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- 问题详情:已知二次函数y=x2-2x+2在t≤x≤t+1时的最小值是t,则t的值为 .【回答】知识点:二次函数与一元二次方程题型:填空题...
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- 问题详情:=(1-t,1-t,t),=(2,t,t),则|-|的最小值是( )A. B. C. D.【回答】C知识点:平面向量题型:选择题...
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- Therefore,ifT/Tisnotdefinitelystipulatedinthetransaction,thebuyermakespaymentonlybyM/T.Consideringyourgoodtrackrecordandbearingagoodwishforthefuture,IagreetopaymentbyT/T.WeusuallyacceptpaymentbyL/CatsightdraftorbyT/Tinadvance,butneverbyC.O.D....
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- 问题详情:物体沿直线运动过程中,位移s与时间t的关系式是s(t)=3t2+t.我们计算在t时刻的附近区间[t,t+Δt]内的平均速度==,当Δt趋近于0时,平均速度趋近于确定的值,即瞬时速度,由此可得到t时刻的瞬时速度为.【回答】6t+1+3Δt6t+1【解析】因为物体沿直线运动过程中,位移s与...
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- 问题详情:Onlywhenyourealizetheimportanceofforeignlanguages themwell.A.youcanlearn B.canyoulearn C.youlearned D.didyoulearn【回答】B知识点:倒装与省略题型:选择题...
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- 问题详情:Whenyoulistentopeopletalkorreadsomethingwithoutatitle,trytoinvent title thatsummarizes mainideas.A.the;a B.the;the C.a:a D.a:the【...
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- 问题详情:Thesystemhasbeendesignedtogivestudentsquickandeasy tothedigitalresourcesofthelibrary.A.access B.passage C.way D.approach【回答】A解析:考查名词的区别。该题的意思是:这个体系被设计目的是为了给学生们快速的容易的使用图书馆电子资...
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- 问题详情:Youngpeopleareoftenunhappywhentheyarewiththeirparents,They 1thattheirparentsdon’tunderstandthem,Theyoftenthinktheirparentsaretoostrictwiththem.Parentsoftenfinditdifficulttowintheirchildren’strustandtheyseemtoforgethowtheythemselves 2 w...
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- 问题详情:IwasinBeijingthen.OtherwiseI tohelpyoumovetothenewhouse.A.wouldcome B.willhavecome C.wouldhavecome D.willcome【回答】c知识点:虚拟语气与情态动词...
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- 经典语录有时候人得向命运屈服Sometimesamanhastosurrendertofate...
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- 问题详情:Studentsshouldinvolvethemselvesincommunityactivities theycangainexperienceforgrowth.A.who B.when C.which D.where【回答】D...
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- 问题详情: ItisreallysadnewsforGuinnessWorldRecords.TiffanyTwo,theholderofthe61 (old)catrecord,haspassedawayinhersleepat62 ageof27years,2monthsand20days.BornonMarch13,1988inSanDie...
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- 问题详情: —Ihaven’tworkedtheproblemoutyet.WhatamIsupposedtodo?—Tryagain!It’sonlydifficult.A.alot B.abitC.toomuch D.toomany【回答】B知...
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- 问题详情:Astudyfindsthatyoungsterswhohaveasisterarehappier.Why?Theusualanswer—thatgirlsandwomenaremorelikelythanboysandmentotalkaboutemotions—issomehowunsatisfying,especiallytoaresearcherlikeofmyworkovertheyearshasdevelopedtheassumptionthatwomen'ss...
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- 问题详情:已知t>0,若,则t= .【回答】3知识点:高考试题题型:填空题...
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- 问题详情: Ifpeoplecouldnotaskforeignvisitorspersonalquestions,therewouldbelittletotalkabouttomakethe_______________________________________ofstrangers.A.appointment B.presentation C.recommendation ...
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- 问题详情:_____thetwinsenjoyed_______atthepartyyesterday.A.Both;them B.Both;themselves C.Neither;them【回答】C知识点:相似相近词比较题型:选择题...
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- 问题详情:设函数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对t∈(0,2)恒成立,求实数m的取值范围.【回答】解(1)∵f(x)=t(x+t)2-t3+t-1(x∈R,t>0),∴当x=-t时,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(不合题意,舍去).当t变化时g′(t)...
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- 问题详情:Anestimated80percentofAmericanadultsthinkmusiclessons,thoughattimesboringandchallengingintheeyesofsomekids,improvechildren’sabilitytolearnortheirperformanceinschool.Theysaythatthesatisfactionforlearningtoplayanewsonghelpsachildexpresscreativ...
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- 问题详情: Howmanyreallysufferasaresultoflabormarketproblems?Thisisoneofthemostcriticalyetdebatablesocialpolicyquestions. Inmanyways,oursocialstatisticsoverstatethedegreeofhardship.Unemploymentdoesnothavethesamehorribleconsequencestodayasit...
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- 问题详情:已知向量=(t+1,1),=(t+2,2),若(+)⊥(-),则t的值为 【回答】知识点:平面向量题型:填空题...
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- 问题详情:Exactlyhowdochildrenbenefitfromafterschoolactivities?Thefollowingarethebenefitsofafterschoolactivities:※Creativity__16__Obviouschoicesarearts,music,andperformingarts,butotheractivitieslikesportscanteachproblemsolvingskills.Thebestactivi...
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- 问题详情:已知*M=,N=,则MN=( )A.B.{t|t>0}C.{t|t}D.{2,}【回答】B知识点:*与函数的概念题型:选择题...
- 18553