【单选题】In less than two years in the early 1920s, the cost of a German newspaper rose from 0.30 marks to 70,000,000 marks. This is a spectacular example of
A.
market power caused by a change in the country’s standard of living.
B.
market power caused by a single firm controlling the newspaper production.
C.
inflation caused by increased productivity in the economy.
D.
inflation caused by an increase in the quantity of money in the economy.
【多选题】下列关于证券经纪业务客户投诉的说法,正确的有( )。
B.
证券公司或证券公司营销人员必须对有效投诉负责,并按照相关法律 法规承担相应的责任
C.
对于无效投诉,证券公司和证券公司营销人员无须对客户解释
D.
正确处理客户投诉,及时作出回应和调整,是证券公司与客户保持长 久关系的必然选择
【单选题】有关医疗用毒性药品的管理,说法错误的是
C.
每次配料必须2人以上复核,生产原料和成品数每次记录,经手人需签字被查
【单选题】如果lift(A→B)=1,则A与B( )
【单选题】如果lift(A→B)=1,则A与B( )
【单选题】把性格划分为外倾型和内倾型,是依据下列哪类划分标准 。