单项选择题

Questions 19 to 22 are based on the conversation you have just heard.

A．It’s crowded with people.
B．It’s full of computers.
C．Lunch is being served there.
D．Only few people in there.

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填空题

In Moravec’s mind, when a robotic immortality is created, life will go on forever.

问答题

Questions 19 to 22 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。