历史上先后有四种不同性质的国家：奴隶制国家、封建制国家、资本主义国家和社会主义国家。
参考答案：对
______, he always makes time for his family.
A．No matter he is busy
B．No matter how busy he is
C．However he is busy
D．However busy is he
“常在河边走，就是不湿鞋”这句话体现的会计职业道德是（）
A.廉洁自律
B.参与管理
C.诚实守信
D.强化服务
