题目内容

New Year's Eve is the world's oldest celebration.

A. 对
B. 错

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The most popular way to greet the New Year in the US is to have a big party only at home

A. 对
B. 错

杆件在外力作用下的四种基本变形形式为拉伸或压缩、剪切、扭转变形和( )变形。

A. 弯曲
B. 翻转
C. 旋转
D. 弯折

Many Americans usually spend the first day of the new year happily outside their homes.

A. 对
B. 错

材料的破坏通常分为两类,即塑性变形和( )。

A. 拉伸
B. 弯曲
C. 压缩
D. 断裂