第一章 单元测试

1、单选题:
The -series diverges for ( ).
选项:
A:
B:
C:
答案: 【

2、单选题:
The series has the sum equal to ( ).
选项:
A:3
B:The sum does not exist
C:2
答案: 【The sum does not exist

3、判断题:
Series . ( )
选项:
A:对
B:错
答案: 【

4、判断题:
Series converges. ( )
选项:
A:错
B:对
答案: 【

5、判断题:
The radius of convergence of is . ( )
选项:
A:对
B:错
答案: 【

第二章 单元测试

1、单选题:
The relation between and is ( ).
选项:
A:The line lies in the plane
B:The line is perpendicular to the plane
C:The line is parallel to the plane
答案: 【The line is parallel to the plane

2、单选题:
Let , . Then ( ).
选项:
A:
B:
C:
答案: 【

3、判断题:
Suppose that the vectors and are collinear, and . Then . ( )
选项:
A:对
B:错
答案: 【

4、判断题:
Given a point , the symmetric point of about -plane is . ( )
选项:
A:错
B:对
答案: 【

5、判断题:
is a surface of hyperbolic cylinder parallel to z-axis. ( )
选项:
A:对
B:错
答案: 【

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