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Please according to the content of the document provided above, complete the following blanks.Virtually all important properties of solid materials may be grouped into six different categories: （）, （）, thermal, magnetic, （）, and deteriorative.

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Structural elements that can be viewed with the naked eye are termed microscopic.

A. 对
B. 错

Generally, the performance of a material is independent of its shape and size.

A. 对
B. 错

同轴电缆有两种基本类型:基带同轴电缆和宽带同轴电缆，它们的线间特性阻抗分别为Ω和Ω。

A. 75、50
B. 50、75
C. 75、150
D. 150、75

双绞线分为非屏蔽和屏蔽两种。

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B. 错