信用证
参考答案:
是银行根据进口人(买方)的请求开给出口人的一种保证承担支付的书面凭证。
男性,75岁。低热、乏力3周。查体:贫血貌,肝、脾肋下未触及。实验室检查:Hb80g/L,WBC5.6×109/L,plt34×109/L,血片中原始细胞占20%
考虑诊断为()
A.急性白血病
B.结缔组织病
C.再生障碍性贫血
D.恶性淋巴瘤
E.恶性组织细胞瘤
An analyst does research about option value. In general, with respect to two call options on the same underlying, the option with higher value is most likely to have a:()
A.A
B.B
C.C