山东省烟台市2019-2020学年高一下学期期末考试数学试题(含答案)

山东省烟台市2019-2020学年度第二学期期末学业水平诊断高一数学85(1z−i)z=ii(z=B=AA与BABA与BA与B学校数39其他15%直播录播25%录播直播直播录播其他线上教学方式+a+b−c222,B,Ca,b,c=C432346ABC为E为EB=3AB1143AB−AC4341AB+AC4143−AC4AB+AC44381%39%51%9%B.19%59%69%m,n,l,,mn，nmm，l⊥m//l⊥，l=l⊥⊥⊥，，m，nm//n////，，Bb；BB,bBBb或D,dDBbDd137916161616二、多项选择题：本题共45530zzRzRz2zRR1zRzRz,zzzR12z=zz21125,5,4,3,3,3,2,2,2,18532和3854.5ABCD−ABCDBCPACD11111BD⊥DCC111BCAC1145B与A11111P−ADC11ACD1AC11ABCDP1DAB14,==5B81A2512545=(1,1)b=，(a−b)⊥b,B,CAB30B车间CR00,1,2,3,4,56,7,8,9补0P−5(,2)B(1,1)C(2,4).，，+m5mCA与CB5,B,Ca,b,ccA+aC=a.ab=1，c=6a33,5422,351P−D,E,FAB,CP,ACP；PACABC，BCE−−B⊥ACACP，为EBCFDA2009[0,40),[40,80),,[320,360]x0月均用电量/kW•h[160,200)75%20%[0,40)和[320,360]OOP,B1⊥；1QDDPAQCBQOPAP山东省烟台市2019-2020学年度第二学期期末学业水平诊断高一数学参考答案A3583()()=m−2=−1,−3，，()+=m−−5，分分()2+=m−3+，+5，m=3；分CACB−m+8(m−2)2+410，cos,CB=分CACB−m+85=得5，(m−2)2+4+8m−48=0m=4m=−12.或m2分cA+aC=ab+c−aa+b−c222222=a，分c+a2a1=即b=a；分b3=1c=6b=3，，aa+b−c1+9−62222cosC===，分221335C=，分3c632R===，分sinC5533.()S=R=22=分A=A=2B=11B=2322AA=P(AA)=P(A)P(A)==.535分121212323BB=P(BB)=P(B)P(B)==.分451012121223分510C=D=23则PC)=1−P(AA)=1−=；.分551237P(D)=1−P(BB)=1−=分101012CD=3729PCD)=1−PCD)=1−PC)P(D)=1−=51050.分E,FCP,CAPEF为CAP，分DEF，E而EFDEF，DEF；分B⊥=面，CPAC面ABCPACFDBC面ABC，BC⊥AC，ABC⊥PAC，分而⊥DFPAC，分分FE⊥FD，FCFD，⊥EFDB−−ACPPAC=60，又又EF//PAEFC=PAC=60.分[0,40),[40,80),[80,120),[120,160)0.02,0.15,0.27,0.23[200,240),[240,280),[280,320),[320,360]为0.09,0.06,0.04,0.01.1−(0.02+0.15+0.27+0.23+0.09+0.06+0.04+0.01)=0.13分[160,200)2000.13=26.分75%，0.02+0.15+0.27+0.23=0.670.02+0.15+0.27+0.23+0.13=0.8，分位数必位于[160,200)分0.75−0.67于是160+40185，分0.8−0.67又0.02+0.15+0.27+0.23+0.13+0.09+0.06=0.95，95%280.(185,280].分41,2,3,4[320,360][0,40)2a6,b2={(1,2),(1,3),(1,4),(1,a),(1,b),(2,3),(2,4),(2,a),(2,b),(3,4),(3,a),(3,b),(4,a),(4,b),(a,b)}15分=A则A=a),(1,b),(2,a),(2,b),(3,a),(3,b),(4,a),(4,b)}，分n()8n()=8P()==.分n()OPAPB=90PB⊥PA,分O,⊥OO1O，⊥,又PAAD=A,分分⊥，rl=r=1l=1，分rl2=rlA⊥交在作M.1⊥，DCQAMPADPB⊥AM，又DPPB=P.⊥OABPAQBDP分Q若M与(0,)AOP=设，2,AOPAP=2sin221+sin2=在RtADP=(2AD+1AQ2.AP)2=1+23332分2sin==++)222233==111+4sin+5224sin+5222sin2sin222分14sin