题目内容

—How many books do you have?—I have _______ book.That’s _______ English book.

A. a;an
B. a;one
C. one;an
D. one;one

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_______ tiger is _______ China.

A. The;a
B. A;the
C. The;from
D. The;the

(7,4)线性分组码的监督矩阵的行数是()。

A.3
B.4
C.5
D.7

方阵码不能检测出偶数个错误。( )

A. 对
B. 错

线性分组码是一种代数码。()

A. 对
B. 错

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