单项选择题

Which of the following statements is true

A．The long-run increase in income inequality is caused by the wage distribution.
B．Fewer goods-producing industrial workers will be employed.
C．Not enough college students are employed by different services.
D．Less educated workers have become more important.

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单项选择题

According to the writer, intensifying global competition and immigration will ______.

A．reduce the proportion of union workers
B．reduce the real value of the minimum wage
C．increase the use of temporary workers
D．make the wages of less-educated workers go down

单项选择题

According to the statistics of the 1980s, which of the following is NOT true

A．The top 20 percent of the workers earned more than the well-paid technicians.
B．Over half of the workers were poorly paid.
C．There were more service jobs.
D．Income still remained unequal.