通过调整利率来影响和调节经济活动，属于国家的（）
①财政政策
②货币政策
③经济手段
④行政手段
A.①③
B.②③
C.①④
D.②④
参考答案：B
在困难面前，导游人员不能表现出太乐观的态度，以免影响旅游者情绪，不利于自身克服困难。()
What does the speak mean a. World War One did not break out over night though it seemed so. b. World War One Came into being in a short period of time. c. World War One had been fought for years. d. World War One did not last for a long time.
