国家级、省级的单层、多层纪念馆、展览馆、博物馆等,其墙面应采用不低于()的装修材料。
A.A级
B.B1级
C.B2级
参考答案:B
It's raining hard outside. You'd better watch TV at home ______ going to the cinema. [ ]
A. besides
B. instead
C. instead of
D. rather than
涉及库存现金和银行存款的经济业务只编制付款凭证。