19.  If you are not sure _______ your strengths and weaknesses ______, you may ______ a professional expert so that you can develop yourself to the full.

A．what; lie; talk with

B．where; lie; consult

C．which; lay; refer to

D．where; lay; go to

复式记账原理要求( )。

A．对每一项经济业务都应当作借贷增减相反的记录

B．对任何一项经济业务都必须以相等的金额登记

C．如果在一个账户中记贷方，就必须同时在另一个或几个账户中记借方

D．记入借方的总额与记人贷方的总额必须相等

E．如果在一个账户中记借方，就必须同时在另一个或几个账户中记贷方