题目内容

直接耦合放大电路的温漂很小,所以应用很广泛。

A. 对
B. 错

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There are_______ people here.

A. three hundred and twenty-one
B. three hundreds and twenty-one
C. three hundred, twenty one
D. three hundreds, twenty and one

_______ people are seeing the movie now.

A. Five hundred
B. Five hundreds of
C. Hundreds of
D. Hundred of

His mother is in _________

A. her forty
B. her the forty
C. her forties
D. her fortieth

December is the _______ of the year.

A. twelve
B. twelveth
C. twelfth
D. twenth

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