2024安徽省六校教育研究会高三入学考试语文试卷及答案

2024安徽省六校教育研究会高三入学考试语文试卷及答案 ,答案汇总网收集关于2024安徽省六校教育研究会高三入学考试语文试卷及答案 的相关科目试卷及其答案，更多其他试卷答案请关注本网站！

22.解:本题考查利用导数研究函数的单调性与零点问题(1)因为f(x)=x+3a(x+1),所以f(x)=3x2+3a①当a≥0时,因为f(x)=3x2+3a≥0,所以f(x)在R上单调递增;②当a<0时,令f(x)>0,解得x<-√=a或x>√=a令f(x)<0,解得一√-a

Suddenlysomebarks(i)camefromthedistance."It'sthatdogFollowingthebarks,wefoundmattiecurlingupunderafallenpinetree.thatdogwaswithmattie,wrappingaroundherlikeabearskinrug.Mawasalltearsandscolding.Dadgaveherhugsandkisses.Mattiespokeup,"Wetookthewrongroad.ThenIfellandhurtmyfootsoIcouldntwalk.PrettyDogstayedwithmeandkeptmewarm.Hekeptlickingmyface.Iknewhewastellingmewedbefound.IdontrememberwhichoneofusstartedcallinghimBravedogbutthatwashisnamefromthenon.Hebecameamemberofthefamilyasanyofuswas