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18年12月【西南大学】[机考][9102]《高等数学》(参考资料)

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发表于 2018-12-10 01:31:13 | 显示全部楼层 |阅读模式
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【西南大学】[机考][9102]《高等数学》1 U* y- l4 S8 [+ `8 m7 z
试卷总分:100    得分:100
+ ~9 Z4 g4 _/ y$ p第1,设当时,是比高阶的无穷小,则(             )  A.,          B.,  C.,          D.,
/ k: X: K7 U: ~) ^: @- Z9 KA.A6 j- u% `( ^6 e( r+ j6 u. h
B.C3 B: G0 I* q  \  m( @# w
C.B
. V- k" z. E4 a. W$ m1 ?7 c8 @D.D" p1 K4 L  Z' Y% ?
正确资料:8 D) a5 P4 k0 z
. O$ k& H: y- K; A1 F4 _
3 S% I2 q) i7 y8 L
第2题,若存在,对任意,适合不等式的一切,有,则(         )  A.           B.在上无界   C.在上有界       D.在上单调
& J$ @1 I) T9 q: {% C; u. M3 f" U' n  H; tA.A
) u! w6 E8 Z) I. H. T5 oB.C
* D7 K; {* |; F" Q* BC.B
- c# V9 X" E( B; kD.D
$ Y1 {7 I- T$ t+ F# _正确资料:
; C) [; \5 H# `! Q% U8 y$ u& m6 b/ b

% O8 j# |+ |: Q! j. I8 Y- `. E- v! t第3题,设函数是可导的,且,则(        )  A.   B.   C.   D.
; J. D6 ~& a3 hA.A- I5 \% ?2 ^, y# J, a
B.C
' K/ p1 u7 I7 c7 E' v  W: [C.B
* @) m/ P; p, y$ OD.D
% I$ e. o& N) F8 F7 K正确资料:
  D# P+ Q2 X" w' s. z5 L+ b8 K' q' U3 ~! t6 z  _4 v- H

( i* o% S( i) R6 d6 V$ Z/ [第4题,在下列函数中,与表示同一函数的是(         )  A.,    B.,    C.,      D.,
. g$ h- b. u8 L4 cA.A! s5 N1 W$ y5 k
B.C
6 \4 n5 Q) D- `# _C.B( ~; T- N1 `2 I% L8 y
D.D( n5 A9 z: e9 w. @! @& a
正确资料:
3 G" M% y& R) y% _: K
8 h4 M: Y5 g; C  r; n3 q3 B5 Z; |" f; P7 ]
第5题,若在开区间内可导,且对内任意两点,恒有则必有(        )  A.    B.    C.    D.(常数)8 o; f& ]( f7 O6 p6 E8 w
A.A2 D) u  j7 ?; g" e+ e  Q) ]; o4 Y; U
B.C: h+ N4 U1 a# l$ b
C.B
2 G! l/ |' g9 i: i/ L( w7 }D.D3 |" e+ m' _4 S
正确资料:: _2 O0 \. Y1 `

$ y6 E+ v0 V; ?3 j! Y& e- _3 x, h
第6题,设在闭区间上连续,在开区间上可导,且,,则必有 (           )  A.    B.    C.   D.& Y" L# h! q% K# j
A.A
" r* N9 m: s8 g" h  d; S  ?; CB.C8 E& Z0 c- E- q$ g. s6 h
C.B. e2 Y6 m; S. G" U
D.D4 u/ d2 h% A5 F
正确资料:
; B+ n  V& a5 C& v' {! L0 c( p3 I
8 [( q2 P/ z1 f* e1 J* A# V" I2 [6 z- U, P" ~
第7题,若函数在某点极限存在,则(       )  A. 在的函数值必存在且等于极限值  B.在函数值必存在,但不一定等于极限值  C.在的函数值可以不存在  D.如果存在的话,必等于极限值
% k/ l7 n' a1 G! L8 QA.A- \' }  y$ n( B: q( a) F0 n
B.C
- |( F- `' `, E: p3 F' tC.B2 F. c; X+ ?3 s* l
D.D& f" O. H, m8 T' ^
正确资料:
# r3 A2 {( C6 G6 A0 W6 ^6 l
( n( B1 g/ Q7 A. t/ e; _; a2 J" d; E- S
第8题,指出下列函数中当时(         )为无穷大  A.    B.    C.     D.  `5 ^2 _! U+ Z' V+ _( e: q9 ]
A.A
2 [+ H' B& [# aB.C
& s" D. r' X& W: H& M% mC.B! ?2 q$ _5 U0 ]
D.D
6 i6 B5 H) I  r正确资料:) |2 x2 F) V* b+ X$ f6 ?% d

8 `* r5 q0 X; I- G& B  C* e: D- G$ w. _
第9题,函数在某点处有增量,对应的函数增量的主部等于0.8,则(          )  A.4        B.0.16       C.4         D.1.6
( ^; b1 r3 ]: mA.A
( q3 p4 P) T, S/ Z6 R; ^( ?; j4 xB.C
3 {1 T* k& Y% B7 X. X4 BC.B
9 E1 o6 b* a3 A; W' w8 fD.D  F9 l5 ^, Y- U! m0 W0 Q
正确资料:
5 r8 s% F2 Y, R/ {; o( e0 ?# S. G  R

6 F* U; A$ u. ]( [3 l3 D第10题,已知在上连续,在内可导,且当时,有,又已知,则 (           )  A.在上单调增加,且  B.在上单调减少,且  C.在上单调增加,且   D.在上单调增加,但正负号无法确定2 p. j! ]* I! l
A.A0 q, E' G$ [! ~' Q% j! n/ S
B.C
5 L5 N2 K  n  h4 c3 {/ U; ]3 GC.B( e) E* Q3 p8 ?: A% S2 a6 v; u+ m0 W
D.D
( G: n+ c; t* E& W& R+ J! o正确资料:
( z3 t- c; R$ A8 i4 J: W: V- j) O4 J! E3 y' E  J5 I

. h9 {5 E. h( P- v+ S第11题,无穷多个无穷小量之和,则(         )  A.必是无穷小量   B.必是无穷大量          C.必是有界量      D.是无穷小,或是无穷大,或有可能是有界量& T# i. x0 s' }" I( d5 B3 d6 Y
A.A& {1 }6 k, t, W. Y! n& B
B.C+ i! D# h' l0 R6 w; k2 s
C.B( H$ v- F' |0 M$ X
D.D
2 W7 i2 v* {; U+ a正确资料:' T8 u$ x2 [! X8 e' X
' m; \1 h+ v2 E0 f  J1 {; ?

7 O* A" x/ }" N8 O5 ?第12题,函数,则 (        )  A.在任意闭区间上罗尔定理一定成立   B.在上罗尔定理不成立   C.在上罗尔定理成立   D. 在任意闭区间上,罗尔定理都不成立
( s/ X$ z  D! \6 o+ I* v) s( s$ DA.A
) W8 G4 e# S% L/ s1 JB.C: t% S; l  {. x* r9 W8 n! H
C.B" @8 k8 }! U8 t  ^3 j6 B+ P
D.D! a+ m0 C+ x  N6 G! a0 d. Z
正确资料:$ u/ X; C! N; Y! Z0 o& z

2 }6 p* I/ R9 D) @, i, z; I" t
0 s7 Z. y5 l8 i  }第13题,函数(),则此函数(         )  A. 没有间断点             B.有一个第一类间断点              C.有两个以上第一类间断点  D.有两个以上间断点,但类型不确定# ~/ k4 ?  b1 ~! ?  B
A.A
' a9 ^% j' w: Q* X# r5 VB.C: f2 [& t6 ^7 }1 ]4 H1 \
C.B
3 P, p5 ~6 K4 @+ s8 r$ mD.D
1 z6 n; a+ K; y7 |正确资料:
7 ~7 S, v; @( \: ~
7 z9 x. j4 r3 L# J" J8 K, b) M% l5 m0 U- ], l$ S( P( [
第14题,设在的某领域内有定义,,且当时,与为等价无穷小量,则(        )    A.              B.     C.不存在           D.不能断定的存在性
" X$ r1 @! L! _6 h$ Y. T% m6 w" _# hA.A# c1 |  q" x- f" ]6 v4 J8 h% n
B.C* h2 l! b- I3 Q  t) s9 B
C.B5 K( F5 l; `& K/ B
D.D
% x$ z1 p! r  ?" e正确资料:
* Z! ?/ U6 C0 E" H/ B) ?
. g7 i* M# n7 K6 A+ k% e
2 |/ U6 C( p  S: Z" Z8 ^第15题,若,下列各式正确的是(         )  A.    B.    C.     D.( J* Q0 P  _5 I6 T3 {
A.A6 L' m5 e! H, r) F1 ~
B.C
. L# _2 j( z7 g. w' V0 j' sC.B8 N% g% t, \" \$ m2 y
D.D3 y$ j" r6 X. |% B. |) B/ }7 z4 U
正确资料:, K. }4 e; u" p- F; H% Q7 {
. I# _* l$ t% y/ |

7 S$ y! p6 x$ v0 d第16题,求下列函数的自然定义域
" p7 H$ H7 E! `0 K& `正确资料:</strong><br/><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAigAAAAiCAYAAAB1CSLKAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAqWSURBVHhe7Z07duJKEIaLuxZw4OMV4BXgSRw5nQxCO7nZDSdzAqHJnBI5GViBWYHPBIa96HZJamgV/dITwfzfOWXU7wddRT8keZAoCAAAAACgR/yTfwIAAAAA9AZMUAAAAADQOzBBAQAAAEDvwAQFAAAAAL0DExQAAAAA9A5MUAAAAJRkT4v7AQ0GDplt8ngAVAcTlM6AQgMArgG2ZT+J3hNaT6e0ThJKkh3Nx2Oa7/haydskjwtAdaInKPwj2iVdl9cuUOi/nXOPZ1f5MfWqk1ZStx/Kpi/Tvti867bh4tnv6Ob9k56HG/qgR0ot1/43reiJfgzTGAA0Qq0dFFZUmwABFBrk2PRFiw1bPJvYKOvfBTwZr1O+LX1T7Wkz76tiOKGJslv7xQfd/pstrDavL3T33zPBnIEmiZqgaCXlT1Nh05W/EnkNBFDovxrWGVM3tK6Y4sIW1xQdxwb7yx9YWZcQZeObcFqb+MJYTKS7bWRbbX0ImA29rm7zBZZaeC2n9IhNYNAw0TsorKhVDdVlkt8zcr9QV01QR6E3NBvM1F/meC/L/aJazfaL+8OPQfVbX1SdvH3TRP/5yuA+ydpQrx312czuyfVVcN2k3ug6m1IFThfSSRlui++qi752hTO+MIbLKyMxxMaTyLpqkWH95zj2q9qAuuwXv4j0AmvzQctpvjNci6o2A/bxlMuwjyGCExRunDYI5rVG+/FnVTitFJ9/+/CXO6KXbe5sgMoKvV/Q/eAX3e7e8vhDev7M7l95qnI+tJnR6OUuvw9mTfTQxuBtvv+KsHJ/0GPahoR28zEtW2lHHJO3d6KfpwaRx6upOxr2k2JDp5Hjnt22vM14Oo4W6afdsg6yLma4GSbTmmGMDi+DLQ27dX1tlCmH49lEhklsfudlQm9Kd6dU0QbUhW3I6onyzWBlzpY0vh3xFc0qK2FFmwH7aOEy7GMUqgFOdDB/StH+JtIdiy1drF91dsl8PE3UQHSivtiExnMVsybraSGf9ZSS8Zxd62Q69dVAhdM4SaOa7ObJuFK9uM2UFIoUdYtH1S2Qrn7/OcpYz0WfZO0ib1+2jaVvDfTY5U+XSEy/stca7Sc/GRk/5GZs+Whsfk3gy9cVxv5SXLjCZPqQdEplG+AjbBPTcoVNSvU87YNA2gjK2QzYx2uxjy68OygqPL86Xtv8mCorpuuBZ6yObSye4T980fz9eL/J6HZM25eR6jM1y/U8vcO7Ll/zd3oWC4H97xWp5cEhv2j4xtztmNLFjmZ0S+Ptin5X3II7C5Nn0SdDurnLL8+GWrn9N6Xlr9MtV1M3+NMlPjhc7iSEdM4WbsunLKFyTThurLioUmdOo+toXofKNP10OlN8/s3jtitsA7Z3Nx4bkB8hiPYepOpyevhMnwnf8J+7FcPnz7wf9C5GN8A+Orgw++ij1lM8DA/2XrCZ5cpnKLT2q3XOF2a/+Emrp1NFSams0Bt6fdnS3c1pprs/7E9FAxTTxt0fUimpkOXwRvls6c8ud3vYzIzyBg+03L7Q6OBu5jy8Whl7+v5S67dz36U3eaSpqu+rYfu5zibHttnFh/wh9P0wcl6ucPbX4aEybeh8Y9JyXCk+/zL42uijanmVqWib3HZlT79X22y8p0ccx/GT6QdPTq79tQawj9dgH0NET1C48eaniRlmC++EyVuqeLs50YvqgfRGp4/HTBk/m3taxryBSstIKUq2I6LcTR307b/pi8RsPkXfYJvNiqfrzOCs74oDVUoTyjF5y41bKmuajue0O7gT+rTO0MpRqYz0ke354Uz8fIzodkz09Z31Nfc719nk2LajmP4+OD8T6TYx83LVw8QWh2F/U0w4vvRriy7LiqFUXSJsUym7kq7085vs+Qd0us7yUpLqx9/wWgPYx/gyemofYyj1FI/5yfAXqzuGMa/LIgeMyy/E8McTjZcP9JPeT1YJxdkn36S0pAcj/5jJxXH3I5P19KgEqTS1MrHN5pn0Bttb+larg4/HhHRxxYF7Kk7lSBX9stm8KtNrHKGdj8wobtVyi8cT97vJcewVRYbZYH+ZH7t98c38pDsWPX60VKFsmS7M9vJn1fq4COVphpt1icVnm8rYlfR4h2+yT3dPLMfEJV5r0IRN9FHM3yJV84d9jKaP9jGWWkc8/MU2hRwwLr8gwx/0pGZptq2/4iDlLU+9/ZmLVPQQykD8+up2Zsp3zNNyRX/uxqVmoil8nqrU7TSZbSVyGfDK8+OxeIQWJj+fd2771g2368Zx7BVFhknYkNv8GfbncImZl77WbhP28+Ufomq6ww+UITHUrS9TprxG8dimAgG7wkcYpCY6g9GL+pF2EfdagzI2UfdbjGhCE4PGFnQ5sI9F+mofY6l1xCMHpHSfg/3iNR2cy4+GjloEha1YNhDiDNBcERz8IuQEq7JkhmadfNLb411hJhpaqaRbmKmBLJ6npqux8YVu/W5m6Wq0vI3jRxGVcXQe/VUNz856s0cu7fB3URY25IwrrQ6XcHxX2Lk5/EAZEoNuU5l+5Lg6vq1MnZ9227CF++Lb8NmmeLvCNiC/l2Q3d/ygcn7Nv6eE2xsrrQP7GOYC7eMJajAF0dHkp0lkVlZi8wuWsZ5mj+8aj5nt5tPTx9BSwo/U8ePAzsfA+PGzss9MlYIfoROPZXG7Dh4czvWPeDTQpPDYnKWMBvH2X10s/e/+rrvC3p9y3IbcmrI6YMvX9PPl5wszsflpXGHS35eHjzL5cJgWGzJcfprY/CTBOLG2KWRXCvqbPbqZvbJAXc/zdIU47Ix9rUFJW9IC8TYD9tGLZRz11T76CGqeqXh1ldhFbH6uMg7P4R9aniku+2WKacM3cLOOTPNMRT5rrwd/u6TtMr5NdpvtSQe47T0AAQ79paQ4WHS77W3LynPLsW6+/qtfhln/ggjD4iqjNcQPg4br5sMVHkon8eUTKsMWrtNJcWEL035mmC8PF640vrxkGLu1mJh+trAYXPHK2aawXWH9MNMddSHXMf6RFjbhGCekD+ecoPhshp20XbCPBbkc+5jrQWCCFtQ+bpgk1i+WQwdGyOVSHJTFge+C05RXsLp0MdO+ljKOZApn+15d41b7+8LLisT0l+Fl3YwrTmzcGDGx+Uli4mhs+WtkPqE8dXgo3nVSxZ41DexjHfpiH31470HhszkVJ3dlsF8bcDkhuVz4pqEqrx6e0NvuiVaj6v/LoDz8jgU6vTu+Ua6lDA1/vyNaPe1KnffyWLDpmEaP+1gx0WfrZhh/av21lWuGMzKccaWR/q78Y4Th9DoP7edCx9FpfJh5yTr6wmzoMkPxro+q9qxpYB+r03/7mKIGGGib2q8e7mrrlctpe0VyLWUc4W3X86wgATgDvXuVOuxjOS7HPg74Tz5XAR3Cd5U/0JqafswOAAC6BvYMtEGt96CAqvTk1cMAAFAb2DPQDpignIPevHoYAABqAnsGWgJHPGdgM7un73/Lvt0PAAD6B+wZaAvsoHRMtVcPAwBA/4A9A22CCUqXyFcP7xe06PzRPAAAaADYM9AyOOLpCqXMg4dl7tDw/414q/0/MgAAoFNgz0AHYAelA9J/BHaizIoG/oEXAAB0CewZ6ArsoAAAAACgZxD9D3goW08TXbWGAAAAAElFTkSuQmCC"/>&nbsp;               
! b  g4 s; @/ Z; J. C! Z  h/ _3 R                                                                                                                        <br/>
& v; K9 l, Q; R& O% P+ j- c/ @# I# K# R
( {. |8 [! {; W4 B& f. j
第17题,. b1 O* _# L+ h+ o
正确资料:
; A1 v) `% `% ?4 b$ `' n8 T- D) E% D6 i$ o# ~7 W

: h: A0 Y# y" n; @! ?. b: _- X/ R, A第18题,
' X: u* O: Z( A) w" \正确资料:7 Z# w. k' r4 h) d: b

! w7 u" q" r  V# C
  L" O, {) B1 Q第19题,+ _1 Y  S2 H) W( Y
正确资料:
& p1 f8 x2 t9 F) q* ?
/ S. T( U+ ]4 `1 A
) F7 R' o5 y+ y' f/ Y: z9 p第20题,求下列函数的自然定义域) S5 C: e6 O* ~+ T* k
正确资料:</strong><br/><img src="data:image/png;base64,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"/>&nbsp;               
- o* {0 |" w, P0 U, k                                                                                                                        <br/>
$ l2 `' {- k  r5 R  R1 P; ^9 M" K+ E: F

# V# `8 h3 h4 x% K+ U1 K" U' \第21题,
3 c% {! I* g0 }0 K& n" f- Y1 {正确资料:
/ b4 ]: u" g1 A" k2 ~" x/ b: w: d) J; e, @: D* @

2 I( f" }- H7 ?* [第22题,求下列函数的自然定义域
; N: `% [7 W% L" r  c5 Y1 b0 c正确资料:</strong><br/><img src="data:image/png;base64,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"/>&nbsp;                ; \5 \% O- W% ?# ?
                                                                                                                        <br/>! L  S7 {) n% R: B' ?- d

1 p6 @, k+ W+ K
: R: S8 i+ |/ ]1 Q+ E! y. ~) }第23题,
/ S" h) J: k# n* Y( ?; x/ D( A正确资料:9 H. [  D: }3 t* [" ]
. }% H* x2 y+ n: d# i9 }2 I3 I
. X. P! y* x$ S7 R  k
第24题,
* `2 ~7 v/ x) @5 q3 |6 @  Q8 {正确资料:4 S. h; v- z; y! |( v2 [  V

) L. W% N1 y5 D" ~5 Q: @5 X. {. R( g0 A, m; P
第25题,$ v/ j' N  b/ K: Y# E
正确资料:
& ^9 Y& K! y: j5 I/ P" @+ L+ _  Q
" o2 a6 {8 _% V2 z( L( i/ T0 {
6 U6 S! s7 i/ h) j
9 N* e* {+ x' s: X4 |& y) Q5 c% g. {5 s( \! t; r/ p, W
1 v4 v# _' M5 W  N4 n: x) l

9 y) u4 b) v' T# D( P4 ?
9 o( L  w8 l" A7 W
6 I5 d2 O3 _0 j# O
# Z; d% @2 r* P0 w8 P+ i
) {$ s$ ]' V9 z8 n- e) U
/ V  _% a3 z  a% M! R' A& c- e( g: S9 K2 t3 E

$ A, l6 l( N, J, v4 b& I, s' k+ B; I* }# S

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