2023年贵州省盘县高考数学五模试卷含解析

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2023
ὃᦪᔁ⚗1.⚪ὃᐜḄஹὃṹᑏ!"ᩩ$ṹ%&'ᙠᩩ$ṹ)*ᑁ஺2.⚪-.ᢥ⌕1ᵨ3஺3,.ᢥ᯿⚪56ᙠ⚪ᓱᔜ⚪9Ḅ⚪)*ᑁ:;<⚪)*=ᑏḄᫀ?ᦔAᙠ₝CDஹᔁE⚪?ᦔ஺4.:HIᐜJᵨK3L<%MNOPᵨQ⁐STḄUS3VQ஺5.Wᢝᓱ☢!Z[⌕ᢚ]ஹ[⌕^ẚஹ^`[JᵨaᦋcஹdefஹgDᑐ஺iஹ⌱k⚪l⚪ᐳ12n⚪on⚪5ᑖᐳ60ᑖ஺ᙠon⚪q<Ḅrs⌱⚗tuᨵi⚗wxᔠ⚪9⌕1Ḅ஺I.z{|}~c\-2=1(“>0>0)Ḅᯖ|}~஺Ḅiᩩ~Ḅᑮ~a2b~3Ḅᵫᑣ|}~CḄḄA.1B.2C.4D.52.z{ᦪ஻=ஹ6wREḄᦪ஺ᨬn-ᦪy=/(x)--4ាᨵsᑣ[a,x>7ᦪAḄ¡¢¤w()A.(—ߟ,0)B.(-2,—)22C.(-1,1)D.(/)3.z{ᦪ/(x)=x+3,g(x)=2*+a,,3,3%e[2,3],J§/(xjNg(±),ᑣᦪ"Ḅ¡¢¤2X_w()A.a<1B.a>\C.a<0D.«>04.i©ª«¬Aᙢ®3ᙢ¯〈ª±²⌶ᐳᨵ஻ᙢ´µ4,…A”(4AᙢA,,3ᙢ).¬4ᙢ<¶-·E¶®N☢”-1ᙢḄª±ᔜ1±ᑮ¸N☢ᔜᙢNᔂº☢ᔜᙢ¶®ᙢḄª±»-·Eᙢ¶®N☢ᔜᙢḄª±ᔜ1±µª«ᑮ¸A,¼…A,,ᔜᙢ·ᔂ½¾NᒕÀḄª±ᦪµÁÂ=1,2,….ᑣ4Ḅ⊤¸Ä().A.%(஻iÆ+1)B.k(n-/:-1)C.n(n-k)D.k(n-k)5.z{Èᱥ~CV=8xḄᯖAஹBwÈᱥ~Es[»Ḅ|AE|+|BF|=8,ᑣ~ÊABḄtᑮ

15Ḅ789:;3A.5B.3C.-D.22226.<=>?@C:5-]=l:a>0,B>0;ḄCᯖE9F,GC⚔EAIJx5ᚖLḄL@M>?@ḄNᩩPQ@RMabE,MFḄTEាVᙠ>?@CX,ᑣCḄ8Z᳛9:;A.V5-1B.0C.73D.V57.2019]^,_`abcdefghij:COVID-19;lm,nopqᔁᡃtᐸvᙢx,yzp{|o.}~ghᙠTbḄefghch,ᡠᨵᱯᶭ,■{|ᜧ._`ablmᨬ,ᕒᨬ,■Bᨬᜧ,_`2ᨴ7¡¢ᐰ¤BᐭᡝX§᣸©ª«Ḅceij¬ὅஹᶧ°Ḅceij¬ὅஹ±²ª᣸◀ceijḄ´¬ὅµJª«¬ὅḄ¶ᑗ¸¹ὅº“»¼”ᕒ,½ᓄ¿ÀᓄÁᳮ,ÃÄNᡝஹÃÅN.ᙠ᣸©ÆÇ,Nᡝ6ȤÉʪË9“Jª«¬ὅḄ¶ᑗ¸¹ὅ”,~mÌÍÎÏᕒ⌕ÑᐸÉÒᡂᕒÔÕᙢ⌲N×Ø“᪶Ú᪶⏚”ÜÝ,Þab□ឋ,ᑣáÉÒ9“âᓻᡝ”.äáÉÒåæᡂᕒÜÝᕈ□ឋḄᭆ᳛ᙳ9஻:0

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86.Aூ
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௃22C3-A=l(a>0>0)Ḅ⚔1!A(a,O),ᯖ1!(c,0),crhrMᡠᙠ:!x=஺]0"জ)..MḄ1ᙶ᪗!(ᱏ,).ᐭ(G¡¢,crb~=g,/.—4=0>>•e-\.5—1(¤¥¦).+4/4ᦑ⌱A.ூ1§௃¨⚪ὃªḄ?«᳛ὃªYᦪp®ஹlᓄpᓄ°®ὃª±²³ᳮµ¶·¸µf¹º᪀⌼a,cḄ.7.Aூ
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௃0¿ÀAÁÂ5ÃÄÅ!“ÆÇÈᓻᡝ”¿ÀBÁÂ6ÃÄÅ!“ÆÇÈᓻᡝ”P(A)=P(I-஻ÔÕÖÃ஺஺-஻)'ᓽ/(p)=p(l—p?+p(l—p)3=p(2᜛)(1p)40x=l-஻>0ji!!jg(x)=/(p)=(l_x)(l+x)x4=(l-x2)x4

9242222-2x2]+x2+x24:.g(x)=(l-x)x=^-x^2-2x)xxxxJ<-^x327^_`^2—2/=fᓽx=^abcdᓽp=p0=l-.ᦑ⌱:A.ூ௃⚪⌕ὃᭆ᳛Ḅghi+jklmnoapqḄᭆ᳛Ḅᵨkrnᭆ᳛sḄᵨ,R+tucḄᵨD⚪ᐵZ[v⚪wḄᳮD]nḄᑖDwᙠὃ{qḄᦪ{|h}~]ᦪ{}~⚪.8.CூD᪆௃ᐜᓄᔠA,ᔠ58.ூD௃=A={x[*<()j>={x|_22.ᦪ஻Ḅb[(2,+8).ᦑ⌱C.ூ௃⚪ὃᑭᵨᔠḄᒹᐵ8ᦪὃgh}~tẠ⚪.10.CூD᪆௃

10ᑡ\ÝÞḄßà(G\á\Ḅ”Ḅ.ூw௃40n=\,áᐭ~=4(),஻=1+1=2,~=1]ᡂâ"?Ꮤᦪᡂâᑣm=—=20z220“=2+1=3,å=1]ᡂâ”Ꮤᦪᡂâᑣ஻2=—=10z2“=3+1=4,æ=1]ᡂâ஻Ꮤᦪᡂâᑣ=3=5z2஻=4+1=5,m=1]ᡂâ"Ꮤᦪ]ᡂâᑣ஻z=3x5+l=16z“=5+1=6,m=1]ᡂâ஻?Ꮤᦪᡂâᑣ”=3=8z28则m---4n=6+1=7,m=1]ᡂâ”Ꮤᦪᡂâ,2_ஹஹ4“=7+1=8,஻=1]ᡂâ"èᏔᦪᡂâᑣ᪷=—=2z2,2“=8+1=9,7஻=1]ᡂâᏔᦪᡂâᑣ᪷=—=1;2஻=9+1=1(),m=1ᡂâê\ÝÞá\”Ḅ!10.ᦑ⌱C.ூ1§௃¨⚪ὃªᑭᵨí᪾nï¸á\uvὃªï¸µðÒẠ⚪.11.Aூ᪆௃ᑭᵨòᦪḄóôஹ◀ô·¸\z,᪷Uᐳ÷òᦪḄᭆøᓽ(.ூw௃3+4z3z-4ᵫ=3+4i,ᑣz=^—-=^-—=4-3z,i-1ᡠI1=4+3"ᦑ⌱Aூ1§௃¨⚪ὃªùòᦪḄúᑣ·¸ஹᐳûòᦪḄᭆøðÒẠ⚪.12.Cூ᪆௃ABᑭᵨ]^_ឋý(ᑨÿa஺ᑭᵨᦪᦪᢣᦪᦪḄᓫឋᑨ.ூ௃

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௃PᡠᨵḄᦪP77,78,82,84,84,86,88,93,94,ᐳ9ÎᦪÄᣵᨬÆᑖᨬÈᑖᒕÐ78,82,84,84,86,88,93,ᐳ7Îᦪ,ÑJ8+82+84+84+86+88+93Êᙳᑖ-------------------------=85,ᦑᫀ1.ூst௃u⚪ὃwÂÃ;´ÊᙳᦪḄÓ¼¢Ạ⚪.Ôஹ⚪Pᐳ70ᑖ஺¸ᑏÁᦻÖ×ØஹÙØÚzᡈܼÝÞ஺217.(1)y+y2=1M(2)-272ூ
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᪆௃(1)ᑭᵨUᦪḄVWXYZEᓽ[O(2)y=]ᔆ—(`?aO30+4k“)ᙠ]4,5cdឤᡂ*,f◤f-(a+4)x+3a+4,,0,jXᑮ஻m]4,5cO(3)(f-4x+4),-a=0ᙠ(0,n)dᨵp᪷"rsx)=(X-4x+4)e'-஻"wU[xy(X)ᙠ(0,2)dᓫ{⌴}"m(0)=4-a>0_ஹ...ஹᙠ(2,+00)dᓫ{⌴"ᡠஹ£(0,2),z—4+4)-=%£(2,3),=3)4—1,wm(2)=-a<0H(%)Ḅᓽ[.ூ
௃ᡠপ,(1)=x=l&"/প=_3e,,஻D=e,ᡠᑗ5y-(<3e)=e(x-1),gpy=ex-4e.

15ফ_/(x)_(x-4)ex.—(a+4)x+3a+4]/gMa-x9y(a-x)2ᦪyᙠ[4,5]dᓫ{⌴"ᡠ[4,5],yZOឤᡂ*,ᓽx2-(a+4)x+3஻+4,,0,(a>44o2-(a+4)x4+3tz+4<0,,ᡠ,"ᓽ9,ae(-<»,4)U(5,+oo),[52-(a+4)x5+3a+4<0a>-ᦑaு5,ᡠ¥ᦪ஺Ḅ§¨©(5,+8).,,ஹ"/ஹ",ஹ(x-4)e*+(a-x)"./ஹ(x2-4x+4)e'-a(3)h(x)=f(x)+g(x)=---------------,/?(%)=--------N------XXᦪ¬(x)=/(x)+g(x)ᙠ(0,+oo)dᨵp᩽¨,"ᡠ¯(x)=0ᙠ(0,+8)dᨵp°'¥᪷"ᓽ(±4x+4)"-a=0.rm(x)=(d-4x+4)e*-஺"ᑣy(x)=(d-2x)e*,ᵫy(x)>0,xx>2,ᡠm(x)ᙠ(0,2)dᓫ{⌴}"ᙠ(2,+8)dᓫ{⌴,m(0)=4a>0,.ஹᡠஹ"µx02ஹ-a=8-a>0,ᡠ¹º(2,3),XG(0"M)6(%2"+0°)&,஻'(X)>O"஻(x)ᓫ{⌴"¾€(ᑁ,஽)&""(x)<0"Mx)ᓫ{⌴}"4,é᩽¨,"Ä&)=ߟ+…=(xi/+(x-4%+Wf^_%j=(x\x\rn(x)=(x-3)e*(0,2)),Ç()n(x)=(x-2)ex<0,ᡠn(x)ᙠ(0,2)dᓫ{⌴}"ᡠ஻&)

16õ"(x)=(x-3)e'+4x+3(x>0),ö÷1"(x)=(x-2)e*+4,H\x)=(x-l)ex.^(0,1)a//(x)<0O^xe(l,+8)aH"(x)>0.ᡠR“(øù=H(D=-e+4>0,ᡠR“஺)=(ú-3)᮱+4ú+3ᙠ(0,+00)üᓫ⌴¡ᡠR“(x)>”(0)=0,ᓽÒᙠý=-7-1þ'஻(ᓰ)>ᔠ⚪.ᩩḄḄᨬ4ூ௃⚪ὃᦪḄᔠᵨ!ᑮᦪḄ#$%ᑭᵨᦪẆ()ᦪḄᓫ+ឋஹ᩽/0ឤᡂ3/4567⍝9⚪.2919.(1):;(2)জᑖ>ᑡ@A᪆E(X)=238.6OঝD⌱FᵬHIὺ.140ூ
᪆௃(1)KLMḄ3ᜩ〈⚶ᓫᦪQR40SA,TUP(A)Ḅ.(2)জVWHI〈⚶ᕒ〈⚶ᓫᦪ஺TUZ஺=38\X=38x6,]^_`TUaZ஺=39\Z஺=40\XḄ.Za=41\XḄbᳮTUaZa=42\X.XḄᡠᨵTfM.TUXḄᑖ>ᑡ!ᐸᦪhij.ঝk⚪ᵬHI〈⚶ᕒlmᙳ〈⚶ᓫᦪ.TUᵬHI〈⚶ᕒlmᙳopqWᦪhijrsᓽTUu.ூ
௃Aa(1)ᵫ⊤450ᜩ〈⚶ᓫᦪxᨵ30ᜩḄ〈⚶ᓫᦪR40ᓫKLMḄ3ᜩ〈⚶ᓫᦪQR40SA,6=yᑣÓ(A)=ᳮ140,(2)জVWHI〈⚶ᕒḄ〈⚶ᓫᦪ஻lopXᐗᑣZ஻=38\X=38x6=228OZ஻=39\X=39x6=234OZ஻=40\X=40x6=240OZ஻=41\X=40x6+7=247OZ"=42\X=40x6+14=254.ᡠ]XḄᑖ>ᑡX228234240247254321p5105510E(X)=228xl234x—+240x1+247x1+254x—=238.6.+5105510

17ঝk⚪ᵬHI〈⚶ᕒḄlmᙳ〈⚶ᓫᦪ38x0.2+39x0.2+40x0.3+41x0.2+42x0.1=39.8,ᡠ]ᵬHI〈⚶ᕒḄlmᙳop80+4x39.8=239.2ᐗ}238.6<239.2,ᡠ]D⌱FᵬHIὺ.ூ௃⚪ὃ~Ḅᑖ>ᑡqᦪhijஹᐺᭆ᳛H0ஹᔠH0ὃ~`ᳮfqfRx᫏⚪.20.(1)@A᪆;(2)45°ூ
᪆௃(1)ᑭᵨᳮᓄ4ᩩᵫ^UZ?=3c-cosA(2)ᑭᵨᳮᓄ(1)ḄUᑮtanA=2tanC,ᑭᵨ:Ḅ☢H0ᑡᵫ^UtanA,UtanCḄUC.ூ
௃(1)ᵫ4U—/=—_1஻312ᵫᳮU2bccosA=/+/-a2=b2--b2=-b2,A.b=3c-cosA.33(2)ᵫ(1)!ᳮUsin6=3sinCcosA,ᓽsin(A+C)=3sinCcosA,:.sinAcosC+cosAsinC=3sinCcosA»AsinAcosC=2sinCcosA,...tanA=2tanC.S=2=—Z?csinA--b---sinA=—b2tanA,223cosA6"tanA=2,tanC=1,C-45°.ூ௃⚪⌕ὃᳮஹᳮA:ὃ:Ḅ☢H0ὃᓄ¢q£ᓄḄᦪh¤¥¦ὃ§AfRx᫏⚪.21.(1)a=lO(2)@A᪆.ூ
᪆௃(1)uᦪ¨⚪£ᓄ஻’(«)70ᙠ(0,+8)ឤᡂ3ᑭᵨᦪu0(x)=ln(®)ḄᨬᓽTA;X(2)ᑖ¯Vᑗ±ᙶ᪗´,WᑭᵨᦪḄ#$%ᑏuᑗ·¨⚪£ᓄ¸¹º·»ᔠ¼◤

18r1ae2=—<᳝ᨵµᓽ["ᑭᵨᦪḄUᦪÛÜ,Ýᙠឋßᳮᓽ[áâÝᙠ.]n(aX])-a—1=ae'2-axeX22ூ
௃(1),/h(x)=ex\

19{ax)-«],%>(),/.h'(x)=e'[ln(ax)H----a]xᦪh(x)ᙠ(0,+oo)dᓫ{⌴'ãJ"(x)..0ᙠ(0,+oo)dឤᡂ*.rG(x)=ln(ax)+"-a,x஺'(x)=L——T=~T~>xxxxᡠe(åᙠ(0,1)ᓫ{⌴}"ᙠ(1,y)ᓫ{⌴"ᑣ᜛(X)min=஺1).᮱>o,ᑣ"(x)..oᙠ(O,+a>)dឤᡂ*'ãJe(x)..oᙠ(0,+8)dឤᡂ*;“=0,a°(3=é1)=0,aᡠ1=1,ᓽ“=1.a(2)ê/(x)=ln(ar)-a,(aë0)Ḅᑗ,ìᙶ᪗¾=᳝"Ç!)/'(°)=aᑗ5y-ln(aX1)+a=L(x-ï)...জê8(%)=஺",(஺ë())Ḅᑗ,ìᙶ᪗ñ=஽"ᑣg'(X2)=ae*,ᑗ5y-a*=a*(x-஽)...ঝ„1ae2=——ÊÝᙠ᳝,ó"ôজঝᡂõᩩ45"ᑣ÷5/(Høg(x)Ýᙠùᑗ5"ᵫজঝxïûln(aX|)—a-1=ae*-axeX12ýþx*2-a_]=ae"_CLX-,C~1—1ஹ2*+1Rᓽn=_2__L_=e&--------ax+1x+122)='*’ᑣ/8=*°

20ᡠᦪy=«x)ᙠ$%(0,+8)ᓫ*⌴,vr(l)-/(2)<0.•.ᑗw(l,2),56°)=஺xG(x,+co);<ᨵr(x)>t(x)=000?>+00;f(x)—>+00=°'(ÀÁ1ᙠ(0,m)<ᨵBax+1Cᦪf(x)=ln(ar)-a,(a>())Eg(x)=aex,(a>0)0,B6mG(-2,2)x(2)ᵫ(1)r}f\x)=2x2-2twc+m2,ᡠh(x)=2e2x-2me'+2(lnx)2-2mInx+2m2h(x)=2e2x-2mex+2(lnx)2-2m

21x+2m2>m2+k2᦮ᳮ6m2-2("+Inx)m+2e2x+2(lnx)2-k2>09

22H(x)=+lnx,ᑣ“'()="+,>0,ᡠH(x)ᓫ*⌴,X?)=/J+஻2—1>¢ᡠGᙠxw£I,஻7),56”(᜜=¦+Inx=zn,F{m}=m2-2(/+Inx)m+2e2x+2(lnx)2-k2,¨ᐵhª«¬ᔣḄ{|ᦪᑣ®(Mmin=±(+In²=(/+Inx)2-k1,G(x)=e'—lnx,³ijG'(x)="—஻(x)="-1,³U஻(3)="+!>0,XXXᡠG'(x)ᓫ*⌴,G'd)=஻2<0,G,(l)=e-l>021,X1ᡠGᙠ(7,1),56G'(x0)=o,ᓽ*=,2x()¸XG(O,Xo);G'(x)<0,¸X€(Xo+°o);G'(X)>0,ᡠG(x)ᙠ(0,x0)ᓫ*⌴»ᙠ(X஺,+8)ᓫ*⌴,ᡠG(x)min=G(x°)=e&-In/=/,%x()e(¼,l),ᡠGaWXo+LeQ,x),?ᵫ⚪ar}(G(ᐗ))2-k2>0,ᡠ(G(x))2-k2=(G(x))2-k2>O,minoB6Z4G(x஺)ᡠ᦮ᦪ*Ḅtuᔠ{1,2}.ூKL௃N⚪P⌕ὃSWᦪḄÂᵨᑭᵨWᦪẆÃ᩽u^⚪ÅÆᓄWᦪḄÈK^⚪ឤᡂ]^⚪⌕⌲ÊËÌÍᦪÆᓄᨬu^⚪mB〉¸᪀⌼ᦪ¨ÆᓄḄᐵÑN⚪CᔠឋÓÔiÕÓᜧ×ØὃSᦪÙÚÛÜÝÞßᳮḄ᪶áâ.