某产妇.25岁,孕30周,轻微活动后自感心悸、气短,休息后无不适,心功能应为()。
A.Ⅰ级
B.Ⅱ级
C.Ⅲ级
D.Ⅳ级
E.Ⅴ级
参考答案:C
肝功能酶学检查中,“畸形性骨炎(Paget病)显著升高,但血清钙磷多正常”属于()
A.碱性磷酸酶(A1P)
B.腺苷脱氨酶(ADA)
C.丙氨酸氨基转移酶(A1T)
D.γ-谷氨酰基转移酶(GGT)
E.天门冬氨酸氨基转移酶(AST)
Which of the following is a reason to use the swaps market rather than the futures market To :()
A. reduce the credit risk involved with the contract.
B. increase the liquidity of the contract.
C. maintain the firm's privacy.