单独服用下列哪种药物最易出现低血糖：（）
A.消渴丸
B.美迪康
C.文迪雅
D.拜糖苹
参考答案：A
Mr. Li is not here, and you’d better call him ____3 p.m. ____ 5 p.m. tomorrow.
A．between; and
B．from; and
C．from; to
D．between; to
世界旅游经济地理的研究对象？
