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兰大19年《线性代数》9月考试在线考核试题

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青青 发表于 2019-9-8 13:48:14 | 显示全部楼层 |阅读模式
青青
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《线性代数》9月考试在线考核试题. X( d8 }2 b1 b
1.[单选题] 题面见图6<img height="213" width="750" alt="" src="http://file.open.com.cn/ItemDB/37509/294fa88a-6408-4c00-8fd2-26658fd774f4/200811412551177.jpg" />
  [" g& V/ t+ W+ {2 \    A.A
2 y+ D+ y6 k) \7 _- F    B.B
. B$ A: \2 b( t4 ~    C.C: a! H9 @1 k! N
    D.D) {) d6 b# _/ V$ S  p6 C7 W
    正确答案:——B——
5 _# T! E5 a& r, q3 J2.[单选题] <img id="ODhhjwgTEMP20190805121601029.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODhhjwgTEMP20190805121601029.png?Expires=1880295361&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=c7oWUlbvcQlM73RlPKyr%2B8I9lM8%3D" />4 t: ?9 E/ Q9 e; z3 Z! a& x
    A.(A), S1 C2 r! }) \# P2 }
    B.(B)
" u3 ^7 b8 o1 K& e8 Z* n    C.(C)
9 [6 q: U7 i# D/ ^# L    D.(D)
; c# w* J* \" B1 N    正确答案:——B——
% j& E2 ]1 J. [5 U# Z3.[单选题] <img id="ODxogtcTEMP20190805121619233.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODxogtcTEMP20190805121619233.png?Expires=1880295379&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=iugHT8mQRxpl81Ak%2BBd78RIJLDw%3D" />
/ e# y/ p! U( @3 K! s. R    A.(A)- D4 f0 z: ^9 s4 K
    B.(B)3 s) D& q  [1 K7 M; @4 t
    C.(C)# O% {# y- m4 T7 e! |2 ]
    D.(D)7 T" J0 d* A. ]; T' \
    正确答案:——B——0 O, S6 i6 O" V9 U
4.[单选题] <img id="ODatitwTEMP20190805121615753.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODatitwTEMP20190805121615753.png?Expires=1880295375&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=5fS9vGmdEvyemTGgynK3EOGGqfQ%3D" />, q6 y' K8 g1 E$ ]/ t. k
    A.(A)
) Z/ A4 k9 F) s$ C* y- F; r& V    B.(B)
7 U& m$ c# `. t1 I/ z5 o2 F    C.(C)
  V) Y7 j# a. H, ^1 M- k9 m    D.(D)
( ^% K" |' x3 \/ {    正确答案:————% p0 a3 f% u5 c3 v2 X# a
5.[单选题] <img id="ODcchtlTEMP20190805121717662.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODcchtlTEMP20190805121717662.png?Expires=1880295437&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=tl3ylq4duf%2BGNy17Qp4m9ICmBXA%3D" />
* ]- m2 i5 M! [8 V2 [5 x3 |    A.<img id="ODjpwviTEMP20190805121717817.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODjpwviTEMP20190805121717817.png?Expires=1880295437&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=39e7JXvsCJpmXujCkunwhXJ%2B7fE%3D" />' K7 h0 y" X- w% @: X3 b
    B.<img id="ODqzmjgTEMP20190805121717967.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODqzmjgTEMP20190805121717967.png?Expires=1880295438&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=JeRDf9VcV8xkpGXl/DfKN8kuGhs%3D" />
% A& c+ ^  \0 a4 N  v% Q$ t% v    C.<img id="ODhrybxTEMP20190805121718169.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODhrybxTEMP20190805121718169.png?Expires=1880295438&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=PN6JbHlhKwYuBVlZzmQHKLEWvfI%3D" />, j# Z. c$ O* ?5 |/ F
    D.<img id="ODtkjzrTEMP20190805121718385.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODtkjzrTEMP20190805121718385.png?Expires=1880295438&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=%2BbY0QGguyR0rcWCwz3BeNEhG4aY%3D" />2 [, v$ N$ G! c5 y5 g# y, g
    正确答案:————
) ^; Z. L: w2 Z) C9 k7 I- R/ ^6.[单选题] 若A为3阶方阵且| A-1 |=2,则| 2A |=( )
4 a2 ?6 p8 g% e& i3 ^3 r    A.<img id="ODiuvdrTEMP20190805121716343.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODiuvdrTEMP20190805121716343.png?Expires=1880295436&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Jebzr3OdPdTTQXbGcPTIL/NkL84%3D" />
$ K5 _( V. L6 c( J1 F1 Y4 f    B.28 q$ v0 }) _5 x; v7 P3 A3 s* }$ n3 K
    C.4
. Q3 {% Y* R: c4 P2 {6 q8 x+ E. \9 }    D.8
$ C8 D9 r! U8 ?2 |; {- I% U    正确答案:————  a+ I' C' a; M8 m& T! v
7.[单选题] <img id="ODzrzzuTEMP20190805121604454.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODzrzzuTEMP20190805121604454.png?Expires=1880295364&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=FkFTn406dsQbVXS3PNkhhgrf1TA%3D" />
7 R2 g0 K* a7 ~) o3 K7 d: T, u    A.(A)8 v7 n, e/ r  A4 W! r6 ~: g
    B.(B)
5 b: `3 ^$ z" q+ {    C.(C)
5 ^. O+ w; k1 h; l    D.(D)
1 t. p$ {, D* [" f8 \8 O    正确答案:————
6 A6 ?8 Q: x. e8.[单选题] <img id="ODdsgpiTEMP20190805121712181.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODdsgpiTEMP20190805121712181.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=APdnA0vpswU8pvcOaupGnj3d9Ps%3D" />1 y4 k# T0 [) s6 L( `
    A.<img id="ODwdpqpTEMP20190805121712322.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODwdpqpTEMP20190805121712322.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=vRXUzH7IsglEuv2A1omn/YblDjg%3D" />+ i0 M1 ]% Q: ]; h) h! C
    B.<img id="ODdyuclTEMP20190805121712455.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODdyuclTEMP20190805121712455.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=LnadeEferk9ZfYpX485rNRgY2pI%3D" />& U; W5 ?8 u, V* b, a, E
    C.<img id="ODiacdrTEMP20190805121712609.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODiacdrTEMP20190805121712609.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=vVIllGNTVktscBHGmLk6d1spRPc%3D" />
- A  B+ V) v1 z4 y& t    D.<img id="ODoykqdTEMP20190805121712732.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODoykqdTEMP20190805121712732.png?Expires=1880295432&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=xBQ41wl%2BNi%2BunQv9khTe3gHgKXA%3D" />
4 w, g5 Z) J6 e( `& |$ A) q) z$ a    正确答案:————7 H  c9 W: s: B  {9 t0 l
9.[单选题] <img id="ODnmszaTEMP20190805121559822.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODnmszaTEMP20190805121559822.png?Expires=1880295359&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=XiEC/G4jhdsXwzLehPgNFGjlmLs%3D" />
" e2 H3 b- i+ L% b- ^) h    A.(A)" D9 z: D0 i( s; K
    B.(B)
' q9 e/ t7 a# \    C.(C)
- J1 P+ s; S) l" h; n# X    D.(D)" }. P1 _6 r9 Q- @: v
    正确答案:————
8 I# Y6 v. l$ z( P10.[单选题] <img id="ODiwuzxTEMP20190805121613983.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODiwuzxTEMP20190805121613983.png?Expires=1880295374&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=j2iRIo%2BOkxS16iVniIHPRgb2aPs%3D" />
7 [  R) t3 `4 R0 b5 ~7 w    A.(A)6 A6 E  N2 w8 i4 w: s( R. E: V
    B.(B)0 t. z, q, J/ ?* r* J
    C.(C)
7 ]: [% B; P# H. h( Z4 p    D.(D)
+ T1 E% \  F1 V' D( Y6 o    正确答案:————( G3 I! y, j7 }" J' u8 T% g
11.[S6-21] <img id="ODfirohTEMP20190805121637234.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODfirohTEMP20190805121637234.png?Expires=1880295397&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=STkWOHze6tFhI8Jp1oCZLfMZV/k%3D" />
2 _. r: e  p6 _$ z; J    正确答案:————
/ g9 V, w0 e! q) @, l12.[计算题] <img id="ODocowiTEMP20190805121729129.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODocowiTEMP20190805121729129.png?Expires=1880295449&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=PSjoji6oCzcxANYefQGBrm%2BDqaY%3D" />
, z; y# I$ D% S4 E* l    正确答案:————
* h' G8 ~8 L" o" T5 J4 _13.[计算题] <img id="ODecqbaTEMP20190805121535075.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODecqbaTEMP20190805121535075.png?Expires=1880295335&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=1%2BKTfF7h4aSAvppCgrcJKHHryCA%3D" />
, ?" f6 }/ _, }    正确答案:————8 p8 x) q: ^; m$ B  N/ V3 F3 g
14.[计算题] <img id="ODkoiccTEMP20190805121549346.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODkoiccTEMP20190805121549346.png?Expires=1880295349&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=TyRb%2Bbr0KJjGaj//vQz4Z2m6pbU%3D" />
& ?- P# O) _  _+ c$ u2 N" J    正确答案:————6 i1 N- m2 `. A4 c+ \
15.[问答题] <img id="ODysojsTEMP20190805121631775.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODysojsTEMP20190805121631775.png?Expires=1880295391&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=PG57k0eGr1ICY71bPIiIVYEMCUQ%3D" />1 y" V9 n1 S3 ^
    正确答案:————+ ]- \" S  C2 c% c% G6 Y
16.[问答题] <img id="ODavmpjTEMP20190805121624263.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODavmpjTEMP20190805121624263.png?Expires=1880295384&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=f%2B62bEM%2BZLvGob383YVY24SbEr8%3D" />
" L* T' Q! i. ]* y- ~    正确答案:————' M; k; d/ w7 H% L) b. g

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