第四章单元测试
- Let
be the line segment on the 
-plane from 
to 
, then find 
（ ）. - The line integral
（ ）. - If
is the segment of parabola 
from 
to 
, then 
. （ ） - The vector field
is conservative. （ ） - The surface integral
, where 
is the outside of the surface of the solid 
（ ）
A:0 B:1 C:2
答案:0
A:does not depend on the initial point and terminal point of
.
B:is equal to 
.
C:only depends on the initial point and terminal point of 
.答案:only depends on the initial point and terminal point of
.A:对 B:错
答案:对
A:对 B:错
答案:错
A:对 B:错
答案:对
