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【多选题】
社会发展水平的标志是A.
人的生存状况
B.
社会关系状况
C.
经济发展状况
D.
科学技术状况
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反馈参考答案：
举一反三
【单选题】若 有条件表达式 (exp) ? x++ : y− − ,则以下表达式中能完全等价于( exp )的是( )。
A.
(exp==0)
B.
(exp!=1)
C.
(exp==1)
D.
(exp!=0)
【简答题】我们有如下代码:import numpy as np; x = np.array([[54, 21, 43],[7, 21, 17],[53, 47, 32],[37, 8, 99]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅输...
【单选题】一般来说,要求声音的质量越高,则()
A.
量化级数越低，采样频率越低
B.
量化级数越高，采样频率越高
C.
量化级数越低，采样频率越高
D.
量化级数越高，采样频率越低
【单选题】About _________ of the teachers in tour school were born in ________.
A.
two thirds, 1970
B.
two thirds, the 1970s
C.
two third, 1970s
D.
two third, the1970
【单选题】一般来说,要求声音的质量越高,则()
A.
采样频率越低和量化位数越低
B.
采样频率越低和量化位数越高
C.
采样频率越高和量化位数越低
D.
采样频率越高和量化位数越高
【单选题】of the teachers in our school women.
A.
Two thirds, are
B.
Two threes , is
C.
Two third, are
D.
Two thirds , is
【单选题】______ of the room ______ empty．
A.
Two third; are
B.
Two thirds; is
C.
Two third; is
D.
Two thirds; are
【单选题】______ of the coats ________ made of cotton. They feel comfortable.
A.
Two-thirds; is
B.
Two-thirds; are
C.
Two-third; is
D.
Two-third; are
【简答题】我们有如下代码:import numpy as np; x = np.array([[4, 99, 23],[41, 47, 43],[56, 32, 49],[4, 36, 79]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅输...
【简答题】我们有如下代码:import numpy as np; x = np.array([[79, 32, 73],[30, 96, 58],[22, 13, 37],[3, 31, 20]]);rows = np.array([[0,0],[3,3]]); cols = np.array([[0,2],[0,2]]); y = x[rows,cols];print (y) 运行后y的内容是什么?仅...
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