旅游资源开发的重点是()。
A.建设和完善旅游配套设施,完善各类旅游服务
B.增强可进入性
C.加强宣传促销,开拓客源市场
D.旅游景区、景点的规划设计
参考答案:D
_______ he was 12, Einstein had learned advanced mathematics by himself.
A.As soon as
B.At the time
C.By the time
D.During the time
患者,男,39岁。右侧面神经麻痹1周,右眼闭合露睛,饮水外漏。首选药组是()
A.附子、干姜
B.全蝎、僵蚕
C.牛黄、羚羊角
D.蝉蜕、薄荷
E.羌活、防风