下列血小板聚集诱导剂中，活化剂最强的是（）
A.ADP
B.肾上腺素
C.凝血酶
D.TXA2
E.PAF
参考答案：E
心包的募穴是（）
A.心俞
B.巨阙
C.鸠尾
D.膻中
E.厥阴俞
Given a required yield to maturity of 6 percent, what is the intrinsic value of a semi-annual pay coupon bond with an 8 percent coupon and 15 years remaining until maturity（）
A. $1196.
B. $1202.
C. $1095.
