鉴定矿物类中药的透明度时，应将矿物磨成的标准厚度是

A．0.03cm

B．0.03mm

C．0.03m

D．0.03nm

E．0.03A

There is no other man in history than Thomas Jefferson who formulated the ideas of democracy with such fullness, persuasiveness and logic.

A．developed

B．expressed

C．established

D．put forward