【多选题】以下各项中,属于行业财务制度的有( )。
【单选题】(2013·高考新课标全国卷Ⅱ)It’s an eitheror situation -we can buy a new car this year or we can go on holiday but we can’t do________.
【单选题】(2013·新课标全国卷Ⅱ)It's an eitheror situation —we can buy a new car this year or we can go on holiday but we can't do ________.
【简答题】正常成熟红细胞的形状呈 _________ _____________ ____,平均寿命____ _____________ _________。