单项选择题

What does the writer think about machines with human-like ability

A．He believes they will be useful to human beings.
B．He believes that they will control us in the future.
C．He is not quite sure in what way they may influence us.
D．He doesn't consider the construction of such machines possible.

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单项选择题

Sales of films to theaters are often made only on the strength of the campaign．

A．影片能卖给影院是单纯依靠宣传的力量。
B．影片能卖给影院往往是依靠宣传的力量。
C．只有依靠宣传的力量才有人去影院看电影。
D．单纯依靠宣传的力量，影片不能卖给影院。

单项选择题

Vancouver is______.

A．a city of great natural beauty and rich Asian culture
B．a city lying among the Great Lakes
C．the only city in North America that has a Chinatown
D．the only city in North America that has natural beauty