单项选择题
A.50B.52C.55D.57E.59
A.214.8B.238.8C.269.8D.294.8E.320.8
A.0.125B.0.25C.0.38D.0.50E.0.63
A.仅①正确B.仅②正确C.仅③正确D.仅④正确E.全都不正确
A.10.13B.11.35C.11.53D.13.01E.13.15
A.1.31B.1.32C.1.33D.1.34E.1.35
A.25B.39C.266D.1351E.1512
A.4942.5B.4924.5C.4294.5D.4429.5E.4249.5
A.1.241B.1.356C.1.507D.1.562E.1.682
A.601.85,7.24B.6.40,1.98C.e0.70,e-1.51D.ln6.40,ln1.98E.7.24,601.85
A.Beta (4,297)B.Beta (5,300)C.Beta (5,297)D.Beta (3,297)E.Beta (4,300)