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【单选题】
$\lim_{N\to \infty } \, \left(\sum _{n=1}^N \frac{1}{n!}\right)$
A.
$e$
B.
$e-1$
C.
$\infty$
D.
$2e$
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参考答案：
举一反三
【单选题】以某种动物由出生活到10岁的概率为0.8，而活到15岁的概率为0.5，问现年为10岁的这种动物能活到15岁的概率是多少？
A.
1/2
B.
3/8
C.
5/8
D.
7/8
【单选题】Choose the sub-tree after applying 3+4 reconstruction to the tree above.对以上子树进行3+4重构，得到的子树为：
A.
B.
C.
D.
【单选题】$\lim_{x\to 1^+} \, \tan ^{-1}\left(\frac{1}{1-x}\right)$
A.
${\pi}$
B.
$\frac{\pi}{2}$
C.
$-\frac{\pi}{2}$
D.
$-{\pi}$
【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】Which property of data access is taken advantage of by splay trees?伸展树利用了实际问题中数据访问的何种特点：
A.
massiveness 大量性
B.
locality 局部性
C.
holisticity 整体性
D.
diversity 多样性
【单选题】Researchers used technologies such as MRI to study _____ and _____ of human brain for boys and girls at different stages.
A.
the structure; function
B.
the composition; role
C.
the structure; size
D.
the chemistry; volume
【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
相关题目：
【单选题】以某种动物由出生活到10岁的概率为0.8，而活到15岁的概率为0.5，问现年为10岁的这种动物能活到15岁的概率是多少？
A.
1/2
B.
3/8
C.
5/8
D.
7/8
【单选题】Choose the sub-tree after applying 3+4 reconstruction to the tree above.对以上子树进行3+4重构，得到的子树为：
A.
B.
C.
D.
【单选题】$\lim_{x\to 1^+} \, \tan ^{-1}\left(\frac{1}{1-x}\right)$
A.
${\pi}$
B.
$\frac{\pi}{2}$
C.
$-\frac{\pi}{2}$
D.
$-{\pi}$
【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】Which property of data access is taken advantage of by splay trees?伸展树利用了实际问题中数据访问的何种特点：
A.
massiveness 大量性
B.
locality 局部性
C.
holisticity 整体性
D.
diversity 多样性
【单选题】Researchers used technologies such as MRI to study _____ and _____ of human brain for boys and girls at different stages.
A.
the structure; function
B.
the composition; role
C.
the structure; size
D.
the chemistry; volume
【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
参考解析：
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