Q表示产量,成本C(Q)=100+13Q，单价p，需求量Q(p)=800/P+3-2则工厂取得利润最大时的产量为_____
8
Sorry sir, we don't have wine or beer. We are only licensed to sell _______ drinks.
在新民主主义社会存在的主要经济成分有 _________。
对农业的社会主义改造坚持的基本原则有_______。
唐代将 "同中书门下平章事 "基本固化为宰相名号始于 ()
When I came through the customs at the airport, I had to pay ________ on a clock I had bought.
