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【单选题】
关于腹股沟韧带正确的是 ()A.
由腹内、外斜肌腱膜构成
B.
构成腹股沟三角的外侧界
C.
是腹部与股前区的分界
D.
构成腹股沟管的上界
E.
由腹横筋膜增厚形成
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反馈参考答案：
举一反三
The lexical analyzer is used to identify ().
A.
character string
B.
sentence
C.
word
D.
identifier
《关于建立“一带一路”争端解决机制和机构的意见》为我国的国际商事争端解决机制确定了核心理念,并设计了基本模型,努力促成便利、快捷、低成本的“一站式”争端解决中心的形成。()
A.
正确
B.
错误
The output of lexical analysis program is ().
A.
Category coding of words
B.
The position of words in the symbol table
C.
The category code and attribute value of words
D.
The word attribute value of the word
The task of the scanner is to identify the smallest grammatical units with independent meanings from the source program in string form, namely ()
A.
character
B.
word
C.
sentence
D.
sentence pattern
为了保障实现我国对《纽约公约》的承诺,避免国内法院通过各种借口妨碍涉外、外国仲裁裁决的承认与执行,1995年最高人民法院在司法实践中建立了()制度。
A.
收支两条线制度
B.
逐级报告制度
C.
复核制度
D.
垂直管理制度
The language on {a, b} with up to two a is ()
A.
(a|ε)b*(a|ε)
B.
b*ab*ab*|b*ab*
C.
b*(a|b*)(a|b*)b*
D.
b*(a|ε)b*(a|b*)b*
The following grammar () and the regular expression a * b describe the same language.
A.
S→ab | aSb
B.
S→b | aS
C.
S→a | aSb
D.
S→a | Sb
As shown in the figure, the equivalent normal form of finite automata is ().
A.
(0|1)*(000|111)(0|1)
B.
(0|1) (000|111)(0|1)
C.
(0|1)*(000|111)(0|1) *
D.
None of the above options are correct
2002年,联合国国际贸易法委员会发布(),希望积极促进各国加强关于利用现代调解技巧的立法,以及在目前尚不存在此类立法的情况下制定相关立法。
A.
《国际商事调解示范法》
B.
《国际商事仲裁示范法》
C.
《国际商事谈判示范法》
D.
《国际商事调解规则》
若模拟信号采样满足时域采样定理，将采样信号通过一个（），可以不失真的将原始模拟信号恢复出来。
A.
理想低通滤波器
B.
理想高通滤波器
C.
理想带通滤波器
D.
理想带阻滤波器
The wrong statement about NFA and DFA models is ().
A.
DFA is a special form of NFA
B.
The state transitions of DFA and NFA are identical
C.
both have a unique start state
D.
both can have multiple accept states
1987年我国成立了专门的商事调解中心,同时涉及国际商事调解,叫北京调解中心。自2000年1月1日正式命名为()
A.
北京国际调解中心
B.
中国调解中心
C.
北京国际商事调解中心
D.
中国国际贸易促进委员会/中国国际商会调解中心
__是一系列以互联网为媒介的政治参与模式的统称
国际商事调解的优势包括()
A.
易于搁置法系间的法律制度差异
B.
可以贯彻各国司法权力在纠纷解决过程中的渗透
C.
属于典型的恢复性解决纠纷机制
D.
其成本明显低于诉讼和仲裁
For the DFA model, the wrong statement is ().
A.
Starting from any state, DFA can have multiple transitions for any input symbol
B.
There is no ε transition in any state
C.
DFA has a unique start state
D.
DFA can have multiple accept states
__是指知情和获取信息的自由和权利，包括官方或非官方信息
If grammar G is unambiguous, then for any sentence α of it ()
A.
The syntax tree corresponding to the leftmost derivation and rightmost derivation must be the same
B.
The syntax tree corresponding to the leftmost derivation and rightmost derivation may be different
C.
The leftmost and rightmost derivations must be the same
D.
There may be two different leftmost derivations, but they correspond to the same syntax tree
Grammar can be divided into four types: Type 0, type 1, type 2 and type 3. The 0-type grammar is ().
A.
Phrasal grammar
B.
Regular grammar
C.
Context -sensitive grammar
D.
Context -free grammar
下面描述中最适合DTFT的是( )。
A.
时域为离散序列，频域也为离散序列
B.
时域为离散有限长序列，频域也为离散有限长序列
C.
时域为离散无限长序列，频域为连续信号
D.
时域为离散无限长序列，频域为周期信号
To change a line in the code, make it work for linear interpolation of damped oscillation f(x)=-k*x-b*v
A.
line 2
B.
line 9
C.
line 17
D.
line 21
Grammar can be divided into four types: Type 0, type 1, type 2 and type 3. The type 2 grammar is ( ).
A.
Phrasal grammar
B.
Regular grammar
C.
Context-sensitive grammar
D.
Context-free grammar
A continuous curve is constructed from the given discrete set of data and then the interpolated value is read off from the curve. The more points there are, the higher the order of the curve can be.
A.
正确
B.
错误
A context-free grammar G consists of four parts: a group of nonterminals, a group of terminals, a start symbol, and a group of ().
A.
sentence
B.
sentence pattern
C.
word
D.
Production
Discrete data set given from a discrete function fi = f (xi ) with i = 0, 1, . . . , n. The simplest way to obtain the approximation of f(x) for x ∈ [xi , xi+1] is to construct a straight line between...
A.
正确
B.
错误
()实际上是运用现代的网络技术,如电子邮件、聊天室、网络会议、视频会议等,甚至是传统的电话、传真,把离线状态下ADR的服务运用到网络环境下,营造一个虚拟的调解或仲裁的场所,解决争议。
A.
自助式ODR
B.
交互式ODR
C.
计算机辅助式ODR
D.
B2C式ODR
If the language defined by a grammar G is an infinite set, then the grammar must be ( ).
A.
Recursive
B.
Irrelevant
C.
Ambiguous
D.
Unambiguous
If a grammar G is an unambiguous grammar, for any sentence, the sentence ().
A.
may have two different leftmost derivations
B.
may have two different rightmost derivations
C.
The leftmost derivation is different from the rightmost derivation
D.
There is only one derivation on the left and one on the right
It is known that f(-1) = -3, f(0) = -1/2, f (1/2) = 0, f(1) = 1, then the coefficient of x in the Lagrange method interpolation polynomial is
A.
15/4
B.
4
C.
3
D.
17/4
Grammar can be divided into four types: Type 0, type 1, type 2 and type 3. The type 3 grammar is ( ).
A.
Phrasal grammar
B.
Regular grammar
C.
Context-sensitive grammar
D.
Context-free grammar
The local truncation error order of Euler's method is
A.
O(h)
B.
O(h^2)
C.
O(h^3)
D.
O(h^4)
The main advantage of Newton interpolation method compared to Lagrange interpolation is that less calculation steps or modifiction are needed when new data points added to the dataset.
A.
正确
B.
错误
If f(1)=2, f(2)=3, and f(4)=5.9, then in the Lagrange difference polynomial, the coefficient of x^2 is
A.
0.25
B.
0.15
C.
0.55
D.
1.3
Grammar can be divided into four types: Type 0, type 1, type 2 and type 3. The type 1 grammar is ( ).
A.
Phrasal grammar
B.
Regular grammar
C.
Context-sensitive grammar
D.
Context-free grammar
In canonical reduction, reducible strings are characterized by ().
A.
immediate phrase
B.
handle
C.
Production
D.
token
One way to achieve the Lagrange interpolation efficiently is by performing asequence of linear interpolations. This scheme was first developed by__
新华社的前身是__
__是指的是公民监督国家机关及其工作 人员活动的权利
In each reduction step, a substring matches the () of a production, and then replaces the substring with the () symbol of that production.
A.
Right, left
B.
Right, right
C.
Left right
D.
Left left
Chomsky divides grammars into four types, and the most descriptive grammar ().
A.
Type 0
B.
Type 1
C.
Type 2
D.
Type 3
If a is terminal, then A→α • aβ is the () item.
A.
reduction
B.
shift
C.
accept
D.
waiting for reduction
The construction of the parse tree for input strings by shift-reduce analysis starts with ().
A.
Root
B.
leaf
C.
Intermediate node
D.
Any node
For the inherited attribute Y.y of production A → XY, the possible correct semantic rule is ().
A.
A.a≔f(X.x,Y.y)
B.
Y.y≔f(a,Y.y)
C.
Y.y≔f(X.x)
D.
A.a≔f(Y.y)
A better way is to construct an indirect scheme that improves the interpolatedvalue at every other step by updating the differences of the interpolated values from the adjacent columns
A.
正确
B.
错误
2013年淘宝网推出ODR的一种新型方式——(),从用户中随意抽取一定人数,组成一个评审团,对买卖双方争执的事实听取意见,通过会员投票得出结果。
A.
大众评审员
B.
大众陪审员
C.
大众评估员
D.
大众审判员
When the interpolated polynomial is increased from n-1 to n times, Lagrange interpolation must recalculate all the basic interpolation polynomials; for Newton interpolation, only one more n-order mean...
A.
正确
B.
错误
In the definition of L-attributed, if the production A→X_1, X_2,⋯,X_n, each semantic rule of N calculates the inherited attribute of X_j (1≤j≤n), then it depends on ① Inherited attribute of a ② Synthe...
A.
①③
B.
②④
C.
①④
D.
②③
Which of the following statements about the definition of L-attributed is correct ()
A.
S-attributed definition belongs to l-attributed definition
B.
The syntax-directed definition of variable type declaration is not an l-attributed definition
C.
L-attributed definition contains only synthesized attributes
D.
L-attributed definition contains only inherited attributes
Least-square approximation is mainly used to find the local approximationof a given discrete set of data
A.
正确
B.
错误
When we deal with continuous functions without discretization, we can generate the orthogonal polynomials with a continuous variable and apply an integration quadrature for the evaluation of the integ...
A.
正确
B.
错误
学习强国”学习平台是由中共中央宣传部主管，以（）为主要内容，立足全体党员、面向全社会的优质平台
A.
习近平新时代中国特色社会主义思想
B.
党的十九大精神
C.
社会主义法律
D.
公众生活
Note that this method is only for discrete functions, with both the polynomialsand least-squares fitting coefficients returned in a__.
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