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时间:2020-04-09
《安庆一中2019-2020学年第二学期阶段性检测高三理科数学.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2019-2020!"#$!%&'()*+,-./!!":150"#$%&:120"'6789:1.!"#,$%&'()*+,、-$./01234,'560-789:560;<=。2.>?"@ABC2BDE1F;G>?"@ABC0.5HIJKLM*NLEO2,LPQR、EM3S。3.TUV"/WX:Y"Z*!";<=[!,]!";2、z{3、,'}de~!"i。:、;<=:>=512?=,@?=5A,560A。B@?=CDEFG;9H,IJ:9KLM=NOPE。1.A={(x,y)x-2y+1=0},B={(x,y)x-y=0},A∩B=A.{x=1,y=1}B.{1,1}C.{(1,1)}D.2i2.z=,z:j=:3(1-i)A.B.C.D.3.,△ABC,AB=2,AC=2,∠BAC=120°,O*:BCf,AB,AC¡¢£,¤:△ABC=¥¦§,¨§(©ª«¬(O=)*®A.槡3πB.槡3π86ππC.D.43π4.'¯y=f(x)*°4、±²5、³´µ¶C1,·'C1f¸*¹º»¼½´¾¿*2À³´4µ¶C2,¤C2*ÁÂÃy=cosx,f(x)*ÁÂÃA.y=sin4xB.y=cos2xC.y=sin2xD.y=cos4x25.¯f(x)=槡1-4x+ln(3x-1)*ÄÅ<1111111A.[2,1)B.(3,2]C.[-2,4)D.[-2,2]222xy22b6.Ƶ¶C:2-2=1(a>0,b>0)*Ç5ÈɶÊ(x-a)+y=¢£,Ƶ¶C*Ëab4Ì®A.槡3B.2C.3D.4x-y+2≥0,y7.Íx,yÎÏlÐÃ2x+y-5≤0,z=6、*ÑÒÓ{x+3y≥1,3433A.B.C.D.5542!"#$2019-2020%&'(%)*+,-.·/0123%'14(544)8.,Ô6ABCD*ABÕ:ÖPQf,×ØÙÚÛÜÝÞ*.¤ßÔ6*jà4,ÝÞÔ6ABCDámÛÜ*A.Ñâ½ã8B.Ñâ½ã4槡2C.ÑÒ½ã8D.ÑÒ½ã4槡2π槡32π9.¤sin(12-α)=2,sin(2α-3)=A.1B.-1C.槡3D.-槡3222210.äa=log63,b=log105,c=log147,A.c>b>aB.b>c>aC.a>c>bD.a>b>c117、.,:åæP-ABC,OAB*,PO⊥jABC,∠APB=90°,PA=PB=2,çèéêëì*ÙA.¤O△ABC*ØÌ,PC=2B.¤△ABCÐí6,AP⊥BCπC.î∠ACB=90°ï,PCjPABÞí*ðÝ(0,4]D.îPC=4ï,MjPBC=ñ,ÎÏOM∥jPAC,M:í6PBC=*òM½ã222xy槡512.Ƶ¶C:-=1(a>0,b>0)*ËÌ®,óôõF*¶Ç5Èɶ¬ö÷A,22ab2→→B,AB=BF,¶AB*ø®11111A.-ùB.-ùC.2D.33666(、QR=:>=54?=,@?8、=5A,520A。→→13.Ðúíí6ABC,∠C=90°,CA=CB=槡2,CA·AB=.14.sin613°+cos1063°+tan30°*Ó.n-115.è{(25-2n)2}*ÑÒû:*û.16.åæP-ABC*üý:þO*þjf,PA=BC=5,PB=AC=槡13,PC=AB=2槡5,þO*ÿjà.0、ST=:>=56=,570A。STUVDWXYZ、ST[]^_`a。17.(10¬)Ð!è{an}YûÊv,SnÙè{an}*#nû~,a1=16,S3=28.(1)"è{an}*#û$Ã;(2)ä9、bn=log1an,"è{bn}*#nû~Tn.2!"#$2019-2020%&'(%)*+,-.·/0123%'24(544)18.(12¬),:△ABC,∠A,∠B,∠C*¬öa,b,c,2bsinAcosB+asinB=0,a=1,c=2.(1)"b~sinC;BD槡3(2),äDACf,=,"△ABD*jà.CD槡719.(12¬),åæD-ABC,AB=AC=2,BC=2槡3,DB=DC=3,E,F¬öDB,AB*,∠EFC=90°.(1)".:jDAB⊥jABC;(2)"jíD-CE-F*%&Ó.20.10、(12¬)'()*+50,,%-$d,Þ.*/®¬01,Þ.¬2;3:[80,90),[90,100),[100,110),[110,120),[120,130),[130,140),[140,150],4a,b,cÞÐ5èc=2a.67Þ.89ÿ.(é::,ά150¬,67ά100¬)¬2[50,60)[60,70)[70,80)[80,90)[90,
2、z{
3、,'}de~!"i。:、;<=:>=512?=,@?=5A,560A。B@?=CDEFG;9H,IJ:9KLM=NOPE。1.A={(x,y)x-2y+1=0},B={(x,y)x-y=0},A∩B=A.{x=1,y=1}B.{1,1}C.{(1,1)}D.2i2.z=,z:j=:3(1-i)A.B.C.D.3.,△ABC,AB=2,AC=2,∠BAC=120°,O*:BCf,AB,AC¡¢£,¤:△ABC=¥¦§,¨§(©ª«¬(O=)*®A.槡3πB.槡3π86ππC.D.43π4.'¯y=f(x)*°
4、±²
5、³´µ¶C1,·'C1f¸*¹º»¼½´¾¿*2À³´4µ¶C2,¤C2*ÁÂÃy=cosx,f(x)*ÁÂÃA.y=sin4xB.y=cos2xC.y=sin2xD.y=cos4x25.¯f(x)=槡1-4x+ln(3x-1)*ÄÅ<1111111A.[2,1)B.(3,2]C.[-2,4)D.[-2,2]222xy22b6.Ƶ¶C:2-2=1(a>0,b>0)*Ç5ÈɶÊ(x-a)+y=¢£,Ƶ¶C*Ëab4Ì®A.槡3B.2C.3D.4x-y+2≥0,y7.Íx,yÎÏlÐÃ2x+y-5≤0,z=
6、*ÑÒÓ{x+3y≥1,3433A.B.C.D.5542!"#$2019-2020%&'(%)*+,-.·/0123%'14(544)8.,Ô6ABCD*ABÕ:ÖPQf,×ØÙÚÛÜÝÞ*.¤ßÔ6*jà4,ÝÞÔ6ABCDámÛÜ*A.Ñâ½ã8B.Ñâ½ã4槡2C.ÑÒ½ã8D.ÑÒ½ã4槡2π槡32π9.¤sin(12-α)=2,sin(2α-3)=A.1B.-1C.槡3D.-槡3222210.äa=log63,b=log105,c=log147,A.c>b>aB.b>c>aC.a>c>bD.a>b>c11
7、.,:åæP-ABC,OAB*,PO⊥jABC,∠APB=90°,PA=PB=2,çèéêëì*ÙA.¤O△ABC*ØÌ,PC=2B.¤△ABCÐí6,AP⊥BCπC.î∠ACB=90°ï,PCjPABÞí*ðÝ(0,4]D.îPC=4ï,MjPBC=ñ,ÎÏOM∥jPAC,M:í6PBC=*òM½ã222xy槡512.Ƶ¶C:-=1(a>0,b>0)*ËÌ®,óôõF*¶Ç5Èɶ¬ö÷A,22ab2→→B,AB=BF,¶AB*ø®11111A.-ùB.-ùC.2D.33666(、QR=:>=54?=,@?
8、=5A,520A。→→13.Ðúíí6ABC,∠C=90°,CA=CB=槡2,CA·AB=.14.sin613°+cos1063°+tan30°*Ó.n-115.è{(25-2n)2}*ÑÒû:*û.16.åæP-ABC*üý:þO*þjf,PA=BC=5,PB=AC=槡13,PC=AB=2槡5,þO*ÿjà.0、ST=:>=56=,570A。STUVDWXYZ、ST[]^_`a。17.(10¬)Ð!è{an}YûÊv,SnÙè{an}*#nû~,a1=16,S3=28.(1)"è{an}*#û$Ã;(2)ä
9、bn=log1an,"è{bn}*#nû~Tn.2!"#$2019-2020%&'(%)*+,-.·/0123%'24(544)18.(12¬),:△ABC,∠A,∠B,∠C*¬öa,b,c,2bsinAcosB+asinB=0,a=1,c=2.(1)"b~sinC;BD槡3(2),äDACf,=,"△ABD*jà.CD槡719.(12¬),åæD-ABC,AB=AC=2,BC=2槡3,DB=DC=3,E,F¬öDB,AB*,∠EFC=90°.(1)".:jDAB⊥jABC;(2)"jíD-CE-F*%&Ó.20.
10、(12¬)'()*+50,,%-$d,Þ.*/®¬01,Þ.¬2;3:[80,90),[90,100),[100,110),[110,120),[120,130),[130,140),[140,150],4a,b,cÞÐ5èc=2a.67Þ.89ÿ.(é::,ά150¬,67ά100¬)¬2[50,60)[60,70)[70,80)[80,90)[90,
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