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【单选题】

$\lim_{n\to \infty } \frac{10^n}{n!}$

A.
0
B.
$\infty$
C.
10
D.
1
举报
参考答案:
A
参考解析:
欢迎编辑补充
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举一反三

【单选题】In the Student Research Project, in which Alex, Abbas, Jiehan and Huanrui had a deeper discussion on the topic of _______.

A.
intelligence across cultures
B.
pop culture in the Arab world
C.
academic writing skills
D.
getting along verbally and non-verbally

【单选题】Choose the most appropriate answer by completing the sentences below or answering the questions.1. Which of the following statement is NOT true?

A.
Alex prefers to stay indoors, because he feels discomfort.
B.
Alex prefers to stay indoors, because he wants to read novels.
C.
His eyes hurt, because it is heavily polluted in Beijing.
D.
Alex has a sore throat.

【单选题】下面结论正确的是

A.
$\lim_{x \to a} f(x)$不存在,则该点$f(x)$没有定义
B.
如果$f(x)$连续且$f(a)=0$,那么$x \to a$时,$\frac{1}{|f(x)|} \to +\infty$.
C.
极限存在不一定唯一
D.
数列的子列收敛则数列一定收敛