单项选择题

常规病理标本要求离体后（）分钟内进行固定

A.10
B．20
C．30
D．60

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单项选择题

Theoretically speaking, ________ can be interpreted as a special suffixation because in its process a zero suffix is thought to be added to the word base to form new lexical meaning.

A、inflection
B、compounding
C、conversion
D、blending

滑动轴承用于高速运转，起动力小的场合（）

此题为判断题(对，错)。

答案：对