logo - 刷刷题
下载APP
【单选题】

$\lim_{N\to \infty } \, \left(\sum _{n=1}^N \frac{1}{n!}\right)$

A.
$e$
B.
$e-1$
C.
$\infty$
D.
$2e$
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】People with different educational experiences may develop different ______.

A.
language proficiency
B.
characteristics
C.
personalities and abilities
D.
friendship

【单选题】Choose the most appropriate answer by completing the sentences below or answering the questions.1. Boys and girls are different in developmental process. Which of the following statement is true?

A.
The psychological development of boys is faster than that of girls.
B.
The brain development of girls is faster than that of boys.
C.
The physical development of girls is faster than that of boys.
D.
The mental development of boys is faster than that of girls.

【单选题】Which operation is executed for each accessed node in a splay tree?伸展树每次访问过某节点后都会把该节点:

A.
removing it 删除
B.
moving it to the higer level 上移一层
C.
moving it to the root 移动到根节点
D.
accessing it again 再次访问该节点