使君子对下列哪种寄生虫病有效
A．蛔虫病B．钩虫病C．鞭虫病D．疟疾E．血吸虫病
参考答案：A
患者女性，65岁，冠心病。心电图如图3-15-3所示，应诊断为（）。
A.左心室肥大
B.完全性左束支阻滞
C.急性前间壁心肌梗死
D.完全性右束支阻滞
E.预激综合征
An investor has the following assets: $ 5000 in bonds with an expected return of 8%. $ 10000 in equities with an expected return of 12%. $ 5000 in real estate with an expected return of 10%. What is the portfolio's expected return（）
A. 10.00%.
B. 10.75%.
C. 10.50%.
