nnnn2021年安徽安慶市高數(shù)學(xué)模擬試（理科）二模）一選題共12小題）A{x4}B{aaAAA2

B1]C[1

Dz1+ii

z+A1B

C

D4231A8BCD20f2

3x1+f3A1

B2

C1+

Dx

zxyA5

B1

C2

D

tan

1A2

B2

C

D{}nSA

B

C

Dycosxω|A2B2

C4D24ypxpFF60A

121212112112121212112112xAOFBOFSA9B4CD210VV++A

B

C

D11

1

A[44]B[2]

C[02

]

D4]12

e2]kx3kA2B1D1二填題共4小）13yfx14401000n15FFa0FCGFFFGkk

nnnnn111nnn1111121nnnnn111nnn111112111116ABC

ABC三解題共7分解應(yīng)出字明證過或算驟．1題為考，每試考都須答第22題為考，生據(jù)求答（）考題共分．17{}ann+1a+a0{}{2}S.

18AOBCCBOOOAABCBCC19BCDABDD12621414BXX

11212211112122111220FFC

+

b0Ceq\o\ac(△,PF)eq\o\ac(△,)

cosPFll

CNMNl

21fx2xlnaxaRa0abfx

2

（）考：10分請生第，23題中選題答，果做則所的第題計(jì)．[選：坐系參方]22xOyCr0xC

2

2

8rrCQPQ[選修4-5：不等選]（小滿分）23fx+1|+|2|fx5xx+[3]

參考答案一選題共12小題）A{x4}B{aaAAA2

B1]C[1

DABC

1z1+iiz2+A1

B

C

D

4231A8BCD202

lC

f2x31+f3A1

B2

C1+

DfxRx1323x

nnnnnnx1xA5B1

zxyC2D3D

3.0zx2y

tan

1A2

B2

C

D

sinsin2{}nSA

B

C

D{}q

42341121124234112112

4+a+q2

ycosxω|A2B22

C4D242cos221x2k+k，24CypxpFF60AxAOFBOFSA9B4CD2

y22xyA

1212C

10VV++A

B

C

Dah11

1

A[44]

B[]

C[02

]

D4]

CA1

0000

[0D

x+1x2+rcosrsin0rR12[

e2]kx3kA2B1

Dlnxkx3

+

2ln13lnln

x3lnx+x

1

12112112121211211212二填題本共4小題每題5分共20分．13f0yx

yfx1yfxy14401000n0.35n2PX500.35n0.35n

0.3515FFa0FCGFFFGkkFFc

c2

16ABC

ABCD

nnnnn111nnnnnnnn111nnn

C

+BC2?cos10

ABABCCABAC2

+BC22?cosC16AB4ACD

ABD

ABC

BC3CD1

AD

CD

?CDC

三解題共7分解應(yīng)出字明證過或算驟．1題為考，每試考都須答第22題為考，生據(jù)求答（）考題共分．17{}ann+1a+a0{}{2}S.

1

111112111111111111112111111111111111111111

18AOBCCBOOOAABCBCCDCDADDDDOADDAODDOAABCOOAO

11111111OO

x|

B

C

1

B

1

1

2

ABC

BCCABC

19BCDABDD12621414BXX710111419

ABD

112111212

X

791011141719P20FFC

+

b0Ceq\o\ac(△,PF)eq\o\ac(△,)

cos

2121222221212222PFll

CNMNlFF2eq\o\ac(△,PF)eq\o\ac(△,)

OPF

bOFc②

+

b

l

m

MN

l

21fx2xlnaxaRa0abfx

2

bf+lnxxfx0xf0x

ff+lnln40xxex

xaxb+b0axxbagxge

ex1+1xxlnagx0lna+gxxeaxlnalnagaxgalnaaalnaa2a2

haa

2a

2

lnaalnaaa2

lna

aa2

lna

1112121211121212（）考：10分請生第，23題中選題答，果做則所的第題計(jì)．[選：坐系參方]22xOyCr0xC

2

2

8rr