单项选择题

A．Computer science courses in high schools.
B．Business men and women who use pocket calculators.
C．Maintenance checks on computers.
D．Companies which depend exclusively on computers for decision-making.
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单项选择题
A．Luck.B．A restaurant.C．A waiter’s job.D．Looking for a job.
A．Luck.
B．A restaurant.
C．A waiter’s job.
D．Looking for a job.
单项选择题
A．They reduced charges for transporting farm products.B．They required payment from vehicles that used their roads.C．They made repairs to older roads.D．They installed streetlights on roads connecting major cities
A．They reduced charges for transporting farm products.
B．They required payment from vehicles that used their roads.
C．They made repairs to older roads.
D．They installed streetlights on roads connecting major cities
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