单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．A new shuttle bus.
B．A scheduled space flight.
C．An airplane flight.
D．The first space flight.

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Do you know____________(一个叫威尔逊夫人的女士)

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。