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【单选题】
运行下面程序，结果正确的是______。import numpy as npa = np.arange(20).reshape(5,4)b = np.arange(0,10,2)a = a[b < 3]print(a)A.
[[ 0 1 2 3] [ 4 5 6 7] [ 8 9 10 11]]
B.
[[0 1 2 3] [4 5 6 7]]
C.
[[0 1 2 3]]
D.
[[0 1 2 3 4] [5 6 7 8 9]]
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【判断题】The policeman who appeared on the beat at the beginning of the story was Jim Wells who had come to meet his best friend in his youth, as he had promised to do twenty years ago.
A.
正确
B.
错误
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A.
预共享密钥
B.
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C.
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D.
802. lx
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