第21题: [单项选择]高血压联合用药的原则是() A. 2级以上高血压,开始时应该采用联合治疗 B. 第1~3天用第一种药物,第4天应加用第二种药物 C. 同类的两种药物合用可以增效 D. 为了有效,不论何种高血压,首先考虑两种药物合用 E. 首先用两种不同类药物,如无效需加用第三种药物 参考答案:A
第28题: [单项选择]A. The lending bank can enjoy higher interest receipts from the loan. B. The borrower is more willing to pay back the money. C. The funds borrowed will be paid within a shorter period of time. D. More prime borrowers are attracted. 参考答案:B 答案解析:[听力原文] Security is required on loans for several reasons. One of the most common is probably