兰大19年《线性代数》9月在线考核试题

青青

《线性代数》9月考试在线考核试题
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" />
    A.A
    B.B
    C.C
    D.D
    正确答案:——B——
2.[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" />
    A.（A）
    B.（B）
    C.（C）
    D.（D）
    正确答案:——B——
3.[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" />
    A.（A）
    B.（B）
    C.（C）
    D.（D）
    正确答案:——B——
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" />
    A.（A）
    B.（B）
    C.（C）
    D.（D）
    正确答案:————
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" />
    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" />
    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" />
    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" />
    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" />
    正确答案:————
6.[单选题] 若A为3阶方阵且| A-1 |=2，则| 2A |=（ ）
    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" />
    B.2
    C.4
    D.8
    正确答案:————
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" />
    A.（A）
    B.（B）
    C.（C）
    D.（D）
    正确答案:————
8.[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" />
    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" />
    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" />
    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" />
    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" />
    正确答案:————
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" />
    A.（A）
    B.（B）
    C.（C）
    D.（D）
    正确答案:————
10.[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" />
    A.（A）
    B.（B）
    C.（C）
    D.（D）
    正确答案:————
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" />
    正确答案:————
12.[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" />
    正确答案:————
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" />
    正确答案:————
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" />
    正确答案:————
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" />
    正确答案:————
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" />
    正确答案:————