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1、2022-2023学年度高三一轮复习摸底测试卷 衡水金卷 英语

2、衡水金卷2022至2023年学年度高三一轮复习摸底测试文综二的答案

3、衡水金卷先享题2022-2023高三一轮复习摸底数学

23.(本小题满分10分)【选修4-5:不等式选讲】解:(1)因为f(x)=2x-1-1x+43x-3,①当x<-4时,-x+5>0,解得x<5,所以x<-4②当-4≤x

0,解得x<-1,所以-4≤x<-1解得x所以x③当5分)综上所述,f(x)>0的解为(-∞,-1U(5,+∞)/nu(2)若f(x)+3x+4=12X4+2x+8=9(2)若f(x)+3x+4=1-+4+3x+4821边=9则a9,解得-8≤a≤10,(10分故所求a的取值范围为[-810

ThatleftAamirnochoicebuttothrowtheshoeontothetrain.Aftertakingadeepbreathhebouncedupandthrewtheshoetothewindow.Unfortunatelyitcrashedontheedgeofthetrainandlandedontheplatform.AWithoutgivingitasecondthought,Aamirpickeduptheshoe,aimedatthewindowandtriedagain.Butonceagain,hefoiled.Thetrainwasspeedingon,thebellhowling.Aamircouldalmostpicturetheboy’sweepingface.Soheforcedhimselftostruggletocatchthetrain,hisheartbeatingfasterthanagallopinghorse.Abruptlyhefelldownbecauseofthebrokenflip-flops.DesperationenvelopedAamirSlowly,hestruggledtohisfeetandgotup.ButwhenheraisedhisheadAamirsawtheothershoethrownoutofthewindow.Itperfectlyflewacrossthegapandlandedontheplatform.Withamixtureofsurpriseandconfusion,Aamirlookedintothewindow.It’stheboysmilingathimandsigningtolethimaccepttheshoes.AsurgeofwarmthwelledupinAamirsheart.Hestoppedtopickeduptheshoes.Theyarenewandtidy,andabsolutelyperfect.Then,hehesitantlytriedonthe

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