【单选题】▼▼▼Choose the correct answers to fill in the blanks, paying attention to the number form of the nouns given in brackets. Mary is spreading _____1______ on her bread.
【简答题】For which of the following assets is it most appropriate to test for impairment at least annually? A.Land. B.A patent with a legal life of 20 years. C.A trademark with an expected indefinite life.