第27题: [单项选择]盐酸维拉帕米() A. α1- 受体阻滞剂 B. β1- 受体阻滞剂 C. 羟甲戊二酰辅酶A还原酶抑制剂 D. 钙通道阻滞剂 E. 血管紧张素转化酶抑制剂 参考答案:D
第28题: [单项选择]"Why is the university doing so much building""The number of students()that there aren’t enough classrooms." A. have increased so rapidly B. has increased so rapid C. have increased so rapid D. has increased so rapidly 参考答案:D