下列哪项不是痢疾与泄泻的鉴别点？（）
A.有无里急后重
B.有无因情志不舒诱发
C.有无排便次数增多
D.有无脓血便
E.有无腹痛肠鸣
参考答案：C
肋骨骨折“连枷胸壁”的临床表现（）
A.吸气时连枷胸壁向内运动
B.吸气时连枷胸壁向外运动
C.呼气时连枷胸壁向内运动
D.呼气时连枷胸壁向外运动
E.呼吸周期中连枷胸壁均不运动
For amortizing bonds that have the same maturity date, the reinvestment risk for an investor holding the bonds to maturity is greatest for the bonds that are selling at:（）
A. a premium to par value.
B. a discount to par value as a result of the bonds being issued as zero-coupon bonds.
C. a discount to par value as a result of market yields increasing after the bond was issued.
