患者失眠多梦，惊悸怔忡，心烦神乱，舌尖红，脉细数，宜选用的方剂是（） A.酸枣仁汤

-Why does the Lake smell terrible?

-Because large quantities of water           .[ ]

A. have polluted  

B. is being polluted  

C. has been polluted  

D. have been polluted

伴有超重的2型糖尿病应首选的口服降糖药是哪个（）

A.格列本脲

B.二甲双胍

C.阿卡波糖

D.瑞格列奈

E.吡格列酮

脑血栓形成发病时症状的哪几项表述是正确的（）

A.通常无头痛

B.血压可为正常

C.有时出现TIA的前驱症状

D.必定会发生偏瘫

E.发病24小时内，头颅CT可为正常

渗透泵型片剂属（）

A.速效制剂

B.缓释制剂

C.控释制剂

D.迟释制剂

E.前体药物制剂

The value of an interest-rate call option at expiration is zero or the:()

A. present value of, the market rate minus the exercise rate, adjusted for the period of the rate, times the principal amount. 

B. market rate minus the exercise rate, adjusted for the period of the rate, times the principal amount. 

C. present value of, the exercise rate minus the market rate, adjusted for the period of the rate, times the principal amount.