—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