题目内容

Please match the following countries with the way their people greet.

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对字符串使用字符串处理函数时需要加上的头文件是string.h

A. 对
B. 错

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13、TTL 与非门电路低电平的产品典型值通常不高于( )伏。

A. 1
B. 0.4
C. 0.8
D. 1.5

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15、千分尺一般用于测量( )的尺寸。

A. 小器件
B. 大器件
C. 建筑物
D. 电动机

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What is the main idea of this passage?

A. The meaning of one word may vary in different cultural or linguistic contexts.
B. Language is important as it is the only vehicle for communication.
C. Language competence matters most for one to deal with international business.
D. English isaninternational language, so all people need to learn it well.

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