2022英语周报高考56期答案

5+2x(x<-1f(x)=13(-1≤x≤1),(2分)5-2x(x>1),由f(x)>2的不等式的解集为{x(4分)(Ⅱ)因为|x-1+|x+1≥|x-1-x-12,所以f(x)=5-(|x-11+|x+11)≤5-2=3,即f(x)的最大值为3,所以m=3,所以a+b+c=2(6分)又由均值不等式有:=+a≥2b,+b≥2c三式相加可得:a+a+b+b++c≥2b+2c+2a,所以一+b≥a+b+c=2(10分)

写作Dear denny,m lia reporter from our school English newspaper. I' m writing to ask whether youcan meet me for an interview at three this friday afternoon in your office.【高分句型一】(点明书倍目的-采访时间和地点mproving reading ability is very important to us students.【高分句型二】 Some of us havegreat trouble reading english materials, especially famous original works. you know a goodpart of our exam consists of reading and this is where we easily lose marks. We need someadvice on how to improve our reading ability. I'd appreciate it if you could spare some timeand give us some advice.(采访内容)ooking forward to your early reply..(期盼回复Yoursua

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