题目内容

There is _______ old bike. _______ old bike is Mr Zhao’s.

A. an;The
B. the;An
C. a;The
D. the;The

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_______ apple a day keeps the doctors away.

A. The
B. A
C. An
D. Two

—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

_______ 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

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