电子科技大学《高等数学(理科本科)》20春期末考试[答案]答案
电子科技大学《高等数学(理科本科)》20春期末考试
试卷总分:100 得分:100
一、单选题 (共 20 道试题,共 100 分)
1.2.{图}( B )
A.mg id="ODcqrucTEMP20200708091504685.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODcqrucTEMP20200708091504685.png?Expires=1909574104&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=iXhd8jV2eJUdr05jK92w/yrac8s%3D" />
{图}
{图}
B.{图}
2.4. 由分项积分法,不定积分{图},则上述运算中( )
A.1)步正确,第(2)步不正确
B.第(1)步正确,第(2)步也正确
C.第(1)步不不正确,第(2)步正确
D.第(1)不正确,第(2)步也不正确
3.10. 定积分{图},则有( )
A.mg id="ODefsdwTEMP20200708091508682.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODefsdwTEMP20200708091508682.png?Expires=1909574108&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=21mLEza8utZmKIaTVm6twCc0oQ0%3D" />
{图}
{图}
B.I的大小不确定
4.16. 定积分{图}( )
A.mg id="ODdprnaTEMP20200708091430671.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODdprnaTEMP20200708091430671.png?Expires=1909574070&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=6PkJRz1HJKK8LquDpQ/2GgpNYMg%3D" />
{图}
{图}
B.{图}
5.11. 下列积分等于零的是( )
A.mg id="ODivpdtTEMP20200708091509190.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODivpdtTEMP20200708091509190.png?Expires=1909574109&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=JEwZFg7k61M93WgWNJGBv8mvi0c%3D" />
B.{图}
C.{图}
D.{图}
6.18. 由曲线{图}及直线{图}所围成图形面积可表示为( )
A.mg id="ODoniilTEMP20200708091512168.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODoniilTEMP20200708091512168.png?Expires=1909574112&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=TT2yelwtPagFPNFK4bklfrmsR58%3D" />
B.{图}
C.{图}
D.{图}
7.4. 由分项积分法,不定积分{图},则上述运算中( )
A.1)步正确,第(2)步不正确
B.第(1)步正确,第(2)步也正确
C.第(1)步不正确,第(2)步正确
D.第(1)步不正确,第(2)步也不正确
8.7. 不定积分{图}( )
A.mg id="ODddztaTEMP20200708091506225.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODddztaTEMP20200708091506225.png?Expires=1909574106&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=AkGBl1IT%2Bp61%2BrMkzwSv375XXM8%3D" />
B.{图}
C.{图}
D.{图}
9.8. 不定积分{图}( )
A.mg id="ODmvtbbTEMP20200708091436241.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODmvtbbTEMP20200708091436241.png?Expires=1909574076&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=KGpxbf1UMH2svX1gYPJjmzqXoFE%3D" />
B.{图}
C.{图}
D.{图}
10.9. 不定积分{图}对应的分部积分公式可表示为( )
A.mg id="ODglgwjTEMP20200708091427007.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODglgwjTEMP20200708091427007.png?Expires=1909574067&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=SIg5rlfgWMtxB58uFZQPhrAlp2s%3D" />
B.{图}
C.{图}
D.{图}
11.20.微分方程{图}的通解是()
A.mg id="ODercmuTEMP20200708091456867.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODercmuTEMP20200708091456867.png?Expires=1909574096&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=si0MZZbRew0Df%2BpwHGRAVjmk9mk%3D" />
B.{图}
C.{图}
D.{图}
12.2.{图}( A )
A.mg id="ODlhrgbTEMP20200708091457721.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODlhrgbTEMP20200708091457721.png?Expires=1909574097&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=kBn0J6N77PtWgEJVSBS5s5QymhY%3D" />
{图}
{图}
B.{图}
13.9. 不定积分{图}( )
A.mg id="ODfykomTEMP20200708091444496.png" src=/aplwzy/2020/0712/"http:/oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODfykomTEMP20200708091444496.png?Expires=1909574084&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=MoEnDpJj6ZMbh3s6OO4UorYjycA%3D" />
B.{图}
C.{图}
D.{图}
14.20. 微分方程{图}的通解是( )