【单选题】What does the woman mean?
A.
She's very happy to hear the news.
B.
She's sad to hear the news.
C.
She's surprised to hear the news.
【判断题】中餐厅客人入座后,首先斟倒免费的欢迎茶或询问客人饮什么茶。 ( )
【多选题】“待处理财产损溢”账户借方登记的内容包括( )。
【单选题】某机器原来生产产品A,利润为500元,现在改生产产品B,所花材料费为800元,则生产产品B的机会成本为( )[1分]