单项选择题

A．They were common in the U.S., but not in Europe.
B．Only a few people had them.
C．People considered them essential.
D．They were not very accurate.
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单项选择题
A．To organize activities for children. B．To sell local farm products. C．To bring tourists to the town. D．To raise fund for a hospital.
A．To organize activities for children.
B．To sell local farm products.
C．To bring tourists to the town.
D．To raise fund for a hospital.
单项选择题
A．Conducting a training session for security guards. B．Interviewing a person for a job. C．Giving a sales talk on alarm systems. D．Asking a coworker some questions.
A．Conducting a training session for security guards.
B．Interviewing a person for a job.
C．Giving a sales talk on alarm systems.
D．Asking a coworker some questions.
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