药材呈倒卵形，略似花瓶状的是
A．桃仁B．女贞子C．巴豆D．金樱子E．瓜蒌
参考答案：D
Because of the _____ of teachers, many adolescents in the west of China have no access _____ good
education. [ ]
A. absent; to
B. absence; of
C. absence; to
D. short; to
治疗高血压伴心率过快，应首选( )
A．α受体阻滞剂B．β受体阻滞剂C．钙拈抗剂D．利尿剂E．血管紧张素转化酶抑制剂
