妇人素有癥块，妊娠漏下不止，血色紫黑晦暗，腹痛拒按者宜选用（）
A.失笑散
B.鳖甲煎丸
C.温经汤
D.桂枝茯苓丸
E.桃核承气汤
参考答案：D
高钾血症时，血清钾高于（）
A.4.5mmol/L
B.5mmol/L
C.4mmol/L
D.5.5mmol/L
E.3.5mmol/L
Which of the following statements about municipal bonds is FALSE（）
A. A municipal bond guarantee is a form of insurance provided by a third party other than the issuer.
B. Revenue bonds have lower yields than general obligation bonds because there are more revenue bands and they have higher liquidity.
C. Bonds with municipal bond guarantees are more liquid in the secondary market and generally have lower required yields.
