【单选题】I think I was at school,____ I was staying with a friend during the vacation when I heard the news.
【单选题】主营业务净利率为( )。
B.
[(主营业务收入-主营业务成本)÷主营业务收入]×100%
D.
[税后利润÷(主营业务成本+销售费用+管理费用+财务费用)]×100%
【单选题】----____? ---- It's very hot.
B.
It's a fine day, isn't it
D.
How is the weather in Nanjing
【单选题】流动相极性大于固定相极性时,称之为( )。
【单选题】企业出租无形资产取得的收入,属于( )。