5.A和B）A，，{1,3,π}B{π,1,|3|}，）AbcR，aa）ac）））ac2≥bc2b(x)xx2x2f32x）32S4？））6?k7?51yxy(xyxx|2()2yx60.3b2，，a，，cbcabc）bac）cba）b）a（0a1yxx，甲乙）x＞x甲乙）x＜x甲甲甲乙乙乙＜＞tSf(x)0fxa）(,）(）[）()f2則．x，，.3y．21x2ay．(x)f；(x)fTff．xxmB.()lg(2)fAgx2Rm9優(yōu)良x(x)x02x.Rf3ffRt22fx(0,)k≥2,N*fxf(23)(x)(x)fyf(x)2xxx2f在f(x)在(0,]fkn1（nN*高一數(shù)學試卷參考答案第一部分共5.1D2D3C4A5B6A7D8B9CC65.92512329232.4.4x5x2Ax|1x5f(x)≤.x1當則m3Bx|1x3，eBx|xx≤或≥.ReBx|3x5A≤≤.6分R{x|1x5}≤|14A，ABxx，424m0.2m8.Bx|2x4.m8.9分168=；3分30154a，，c，d；b2e，，f(a,b)(a,c)(a,d)(a,e)(a,f)b,c),d)b,e)b,f)(c,d)(c,e)，，，，，，，，，，，(c,f)(d,e)(d,f)(,f)，，，共.(a,e)b,e)(c,e)(d,e)(a,f)b,f)(c,f)(d,f)(,f)，，，，，，，，共9.93.9分5(x)Rff0.2分0x0，xx(x)2x.f3(x)f(x)f(x).fxf(x)2.x3x2,x0,x3(x)0,x0,f6分x2,0.xx3(t2t)f(2tk)0ft(2)(2)f得ftt2k.222(x)f(tt)f(kt)f(x)Rttkt在22.f2又2ttk0.tR即21ttk04k00由k2.k3ttR.g(t)tt2t令2，tR21111t)tttt)t)則gk222333331(,)k．分3x(1,2]()1logfxx，1311(31f.2213(x)fx(0,)f.(2x)2f(x)f(23)2f(3)1.4分x(3,3]mN(1,3]．xm1（m3mf(3x)3f(x).(x)由f(1,3]fxxx.()32xxxxxx(x)3f()3f()3f()33()()3xxf2．2mm2m13323m3m3m(x)2x0x0x3或(3,3].7分令fm8分mm1f(x)2x(1,)在yf()kf(x)(x)fx(1,k]為k，[0,1).(x)fx(k,k](x)kf()x1f．nnnknxx(1,k]，f()．knkn(k,k]f(x)[0,k).xn1nn當x(0,0x1，1k(kkN)01x則使，k1kk(1,]kx，f()[0,1)．1f(x)f()又，k111f(x)[0,)kf(x)f()[0,)即．kkk2≥，N*[0,k)nf(x)在(0,k]（nn1分11(31f.2213(x)fx(0,)f.(2x)2f(x)f(23)2f(3)1.4分x(3,3]mN(1,3]．xm1（m3mf(3x)3f(x).(x)由f(1,3]fxxx.()32xxxxxx(x)3f()3f()3f()33()()3xxf2．2mm2m13323m3m3m(x)2x0x0x3或(3,3].7分令fm8分mm1f(x)2x(1,)在yf()kf(x)(x)fx(1,k]為k，[0,1).(x)fx(k,k](x)kf()x1f．nnnknxx(1,k]，f()．knkn(k,k]f(x)[0,k).xn1nn當x(0,0x1，1k(kkN)01