福费廷业务是指包买银行无追索权地买入或卖出因真实贸易背景而产生的()的行为。
A、远期票据
B、应收账款
C、远期票据和应收账款
D、商业承兑汇票和应收账款
参考答案:C
Directions:
Write an essay of around 200 words entitled "Most Appreciated Gifts. " In your essay, you should interpret the picture and discuss ways of showing affection for different occasions, and then give your comment on sending hand-written letters.
不属于红细胞药物载体的特性的是()。
A.粒径适于体内循环
B.具有生物相容性
C.可将药物或生物活性物质包载到红细胞内
D.药物包载率一般在80%以上
E.具有可降解性