企业会计实务中，必须采用订本式的账簿的有( )。

A．固定资产总账

B．现金日记账

C．原材料总账

D．银行存款日记账

As a primary school teacher, one should be（）with children. This is the first standard for being a good teacher.

A.patient

B.positive

C.negative

D.peaceful