【判断题】图形的定义是介于文字与美术之间的视觉传达形式,是人们借助于想象力而创造的一种能够完成信息传达的视觉语言,是一种有意味的视觉形式。
【单选题】对传动轴总成进行动平衡,要求在传动轴两端的最大不平衡量应不大于( )g·cm。
【多选题】金属材料的硬度是衡量材料软硬程度的指标。
【单选题】What's the best title for the passage?
A.
How does packaging change our life?
B.
Packaging, a new industry in the coming era.
C.
Packaging or polluting?
【简答题】Packagingdesigned to appeal to and be functional for consumers is called ___.A. primary packaging B. secondary packaging C. tertiary packaging D. commercial packaging