古代时期的向导服务是随着旅行活动的产生和发展而产生的。但是，由于受到社会经济条件的制约，不可能形成专职的向导队伍。( )
参考答案：对
下列厥证分型论治选方不适者为（）。
A.气厥（实）：五磨饮子
B.血厥（实）：通瘀煎
C.血厥（虚）：四物汤
D.痰厥：导痰汤
E.暑厥：牛黄清心丸
Which of the following is the most appropriate title for the passage
Which of the following statements is NOT true of the global tourism industry
A．The tourism industry is undergoing restructuring in parts of the world.B．It remains thoroughly fragmented and widely distributed.C．It yields considerable annual profits.D．It creates more than 200 million jobs globally.
