题目内容

加法器采用先行进位的目的是（）。

A. 提高加法器速度。
B. 快速传递进位信号。
C. 优化加法器结构。
D. 增强加法器功能。

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In the sentence "Last week I went to the theatre.", the function words are ________.

A. Last
B. week
C. I
D. went
E. to
F. the
G. theatre

English is a typical stress-timed language and rhythm is one of its notable characteristics.

A. 对
B. 错

Function words are also called information words, which are the words that basically give information.

A. 对
B. 错

Content words include articles,pronouns,possessives,prepositions, auxiliary verbsandconjunctions.

A. 对
B. 错