2021年高考數(shù)學(xué)沖刺模擬考試押題卷9

234234234234高?？季硪贿x題本共小題，小分共分在每題出四選中只一項(xiàng)符題要的B2]A{yln(1)}xA(12]

xx

C[0

B

)D(0,1)A2

i

Ci()B

Dmn()A

B

Cn

Dn(1x)(1)xa0A495659D

)()ABCDABCBC

sinsinbAb

254

)A2FF

B5CDy20)2P|F||(OPF

)

A2

B

C

22

D

32f(x)Rf0fxf))

f(x

A(C(1

B(1)D(0)二選題本共小題，小分共分在每題出四選中有項(xiàng)符題要。部對(duì)得分部選的2分有選的分。f(x)cos)

((ABf)[k

7k](kZ)1212Cfx

712

0)D()y2cos

x

10PABCABPABAP()A33

B3

C3

D0y()A

2xy

xy

B

11xy

4xC

11

2

Dx

xy12AB2AD2CBC

C

C

EFAB

HDC

()ADC

BFECBH

DHCDADBDC

C填題本共4小，小5分，共20分。13a(2,(2a)

1420212(4AB

:

2

px(pF45CABFMMMBk

f()

sin

x(xRa0)

四解題本共6小題共70分。解應(yīng)出字明證過或算驟。17f()sin(M

)

1()ABCCcb2acB

18{}62S12mN*aaa

nN*m19ABCD2ABC90SC1ABCD2ABCD20100

[4[5[67)[7

[8[9

2826122000

ZN(

)x

s

8.273[3[(

)P(

0.6827(

]

21f(x)x)1f(Py)

l:xn2xf(x)

x

[a22FFC:

22a0)Aeq\o\ac(△,)b2AFF41C2O:

y

Pl

M高?？季?）答B(yǎng){x

xx

0}2]A(0,1)Dz

1ii)i1)(1)z．Bm85nx

5070D(1x)

2

x

3

(1)

4

x012

2

3

3

4

4

22xa2012341325254125d442019502

n2021n5032021sinsinbAsinAsinsinBsinBcossinA

5cosA1AA4A

12

3sin2

13bc24b2bccosAb10025B|PFPFa|PF3|a

P(

c2

c(43)a4c(16aP4a4b

c

(43)e

eee

33B(x)f(x)lnxgf

f()x

gx(0,g1f1ln10(0,1)g()x(1,(xlnxg()f()lnx()f(f()(0,f(xf(0)f()①xf()x

00x②xfxx①②((01)Bf()

3sin

2cos(

)

T5)124

2

2

2

k

k

f(x[7)C12

2k](k)3

Bf(xy2cos

x

DAC10BAPCP))ACCP

6

3

3QACCP)BC)ACCP

533BDxyxy

(x)

2xy

xyyxyyxyx224Bxxxyxy2xyxy

xy(x)xy

11

2

C

2xy2xyxy

33)(y)x2

y

xx

D12ABCDAB//CDADDCDBDAB

BDC

BD

BDCDBC

ABD

AC

BDABC

FBBHADCBHDHHC

DCDHCCBCADBDCCDACD13aba)a)a

2

m3)(4

2

m314AB5CA364AC

10810815ypx(p(

0)2p2xypx

pyp

yyy1

2

M(

p)

pp2

ypy

yy1(y)2p()yyyy16f(x)

sin

x(xR,a0))sin

g()

101x)sin

g(x)(1,0)

e

e

0g

g()

Rx)a

(0)ax)g(x)1xx)sin

g(x)

g

a

ag

aa(0]

(0]

1117M)2f()x(

52)(12

52)sin(

5kZ2

Z|

f()2sin(2

2fB)

b

ac

B

2a22ac2

ac1accosB

(0,B(0]B]33

sin(2B

3

)(

33]2fB3]18{}nS2Sa4①n

n24

②a1①②a1{}23

)

21a

)

aa

11))333

]

1())39119

1)3

11(1))3

1

1n1，3()

2m4()9

219COADC60ADDCCDACDCOAD3ASD

ADCOSCCOADADADSCOADSCO

2ADSO

菱形菱形

sin60dABCDSOCO(S(01)(10)31)30(01SBCmx)

xy3x

x03)n(c)

n3an

a(1,3,cos

4m7BSCDcos

mm|7D

277

20x4.50.050.180.280.268.50.179.50.06721P(

0.6827

200020000.1586532P(

CP

2)

CC5P(

3)

C

15E

P13)55

21f()

(2x

x)f

f

1mf)xPl:(nmn2mf(xf(x)

52

a[，exx1aexx1(11x(x()xx222x22yyxyy

x0e

xx

e

x

((xx2222

xxx()[1()(1)2e

22Fb2

222l

x

23

23

22

y

2226M()N(333

)26P0)3

PM