高等数学 I （全英文）章节测试课后答案2024秋

北京科技大学

第一章单元测试

1. （ ）。

A:does not exist B: C:0 D:
答案:does not exist

2. Suppose that exists and does not exist, then （ ）.

A: does not exist but possibly exists B:both and exist C: possibly exists but does not exist D:neither nor exists
答案: does not exist but possibly exists

3. Let Then （ ）.

A: is continuous at but is discontinuous at B:neither nor is continuous at C: is continuous at but is discontinuous at D:both and are continuous at
答案: is continuous at but is discontinuous at

4. Then （ ）.

A: B: C: D:
答案:

5. （ ）。

A: B:does not exist C:0 D:1
答案:1

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