无形资产
参考答案:
是指企业拥有或者控制的没有实物形态的可辨认的非货币性资产。
He got up late and hurried to his office, ________ the breakfast untouched.
A.left
B.leaving
C.to leave
D.leave
非芳烃含芳烃();折光率()为不合格。