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【单选题】

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
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参考答案：
参考解析：
.
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【多选题】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
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【判断题】我国在国际上一直在积极促进国际商事调解,也是最早将调解文化带入国际商事仲裁,并创造了仲裁+调解相结合的方式。()
A.
正确
B.
错误
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【判断题】序列的傅里叶变换在频域是非周期函数。 ( )
A.
正确
B.
错误
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【单选题】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
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【判断题】维护和完善公民网络表达权有利于促进政府和民众的良性互动
A.
正确
B.
错误
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【单选题】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
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【判断题】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
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【判断题】序列的傅里叶变换的实部和虚部是的连续函数。 ( )
A.
正确
B.
错误
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【单选题】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
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【判断题】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
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