若有理数x

洋地黄的主要适应证不包括（）

A.急、慢性充血性心力衰竭

B.阵发性室上性心动过速

C.房室传导阻滞

D.心房扑动

E.快速性心房颤动

主观测听法不包括

A．纯音测听

B．耳声发射

C．阈上功能测试

D．言语测听

E．以上都不是

算法的空间复杂度是指 【3】 。

男性，37岁，诉1个月来发热，伴全身皮肤瘙痒。查体：右颈部、双侧腹股沟可触及数枚黄豆大小的淋巴结，肝肋下未及，脾肋下3cm。Hb100g/L，白细胞5.5×10⁹/L，血小板110×10⁹/L，骨髓涂片正常。应用多种抗生素治疗，热不退。

进一步检查胸部CT正常，B超肝区检查正常，该患者的临床分期应是（）

A.ⅡA

B.ⅡB

C.ⅢA

D.ⅢB

E.ⅣB

Party C and D hold German marks and U. S. dollars respectively. The spot exchange rate between German marks and U. S. dollars is 2.5 marks per dollar. Party C holds 25 million marks and wants dollars. Assume the tenor of the swap is 7 years. Party C is a German firm with access to marks at a rate of 7% , while Party D must pay 8% to borrow marks. Party D, however, can borrow dollars at 9%, while Party C must pay 10% for its dollar borrowings. The annual amount received by Party C is:

A．

B．

C．