2026知到答案 高等数学 I （全英文）（北京科技大学） 最新智慧树满分章节测试答案

1、单选题：
（ ）。
选项：
A:
B:does not exist
C:0
D:
答案: 【does not exist】

2、单选题：
Suppose that exists and does not exist, then （ ）.
选项：
A: possibly exists but does not exist
B: does not exist but possibly exists
C:both and exist
D:neither nor exists
答案: 【 does not exist but possibly exists】

3、单选题：
Let Then （ ）.
选项：
A: is continuous at but is discontinuous at
B:both and are continuous at
C:neither nor is continuous at
D: is continuous at but is discontinuous at
答案: 【 is continuous at but is discontinuous at 】

4、单选题：
Then （ ）.
选项：
A:
B:
C:
D:
答案: 【】

5、单选题：
（ ）。
选项：
A:0
B:does not exist
C:1
D:
答案: 【1】