利润表中主营业务利润的计算方法是:主营业务收入-主营业务成本-主营业务税金及附加-营业费用。( )
参考答案:错
Usually, there are fireworks ________ the evening ________ December 31st.[ ]
A. in, on
B. on, on
C. on, of
D. in, of
改变旅游消费态度的方法通常有哪几种?