单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

A．E-commerce.
B．Wireless communications.
C．Business and the web.
D．New technology.

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单项选择题

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Griffith worked for a firm that specialized in economic development in Washington D.C. because she needed money to pay for her debt.

Questions 23 to 25 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。