Many people worry about the _______of their credit card details.
A. However
B. replace
C. security
D. three-quarters
E. lower than
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It now seems clear that Internet shopping is not going to _______traditional retailing.
A. However
B. replace
C. security
D. three-quarters
E. lower than
There are_______of 18-to 24-year-olds regularly go online.
A. However
B. replace
C. security
D. three-quarters
E. lower than
下列属于品质标志的是( )。
A. 年龄
B. 民族
C. 身高
D. 工资数额
某班5位同学的统计学原理考试成绩分别是60分、70分、75分、80分、90分,则成绩是( )。
A. 品质标志
B. 数量标志
C. 质量指标
D. 数量指标
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