题目内容

In Argentina, men kiss women, women kiss women, but men do not kiss men.

A. 对
B. 错

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Mid-day rest periods are quite common. Business may be conducted later into the evening in Germany.

A. 对
B. 错

An expensive watch is usually noticed and is considered a subtle symbol of success and prosperity in just about every culture doing international business.

A. 对
B. 错

可见螺纹的牙顶用________表示,牙底用________表示。

A. 细实线/细实线
B. 细实线/粗实线
C. 粗实线/细实线
D. 粗实线/粗实线

螺纹的三要素是________。

A. 牙型、大径、导程
B. 牙型、大径、旋向
C. 牙型、大径、螺距
D. 牙型、中径、线数

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