One of the things we have to do to prevent a pandemic is to make sure people understand and know what they can do to minimize the commotion.

A．command

B．collusion

C．turmoil

D．tutelage

税收会计原始凭证按其反映的税收业务内容不同分类包括（）。

A、应征凭证

B、待征凭证

C、减免凭证

D、征解凭证