【简答题】旅游动机的特征是:( )、内隐性、( )、多重性、( )。
【单选题】According to the classical view, to prevent price level changes when real output is growing by 3 percent per year, the money supply must
A.
decrease by 3 percent per year.
B.
increase by 3 percent per year.
C.
increase by more than 3 percent per year.
【单选题】Statistics showed that the money supply had _________ by 14.6 per cent in the year to September.
【多选题】流动式起重机是常用的起重设备,流动式起重机的特点包括( )。
【单选题】A $3.50 tax per gallon of paint placed on the sellers of paint will shift the supply curve
A.
downward by exactly $3.50.
B.
downward by less than $3.50.
C.
upward by exactly $3.50.
D.
upward by less than $3.50.
【单选题】特种起重机械是指具备两个以上机构的多动作起重机械,专用于某些专业性的工作,构造比较复杂。行动旋转式起重机属于特种起重机械。