急性淋巴结炎属于（），炎症加重时可向周围组织扩展，感染的毒性产物进入血流，可引起SIRS。
参考答案：急性化脓性炎症
Assume that an option-free 5 percent coupon bond with annual coupon payments has two years to maturity. A callable bond that is the same in every respect as the option-free bond is priced at 91.76. With the term structure flat at 6 percent, what is the value of the embedded call option（）
A. -8.24.
B. 4.58.
C. 6.41.
学前儿童家庭（）包括爱心和感恩教育；诚实教育；礼貌教育；勇敢品质的培养。
A.体育
B.智育
C.德育
D.美育
