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Passage One Questions 26 to 29 are based on the passage you have just heard.

A．To transport water to high places.
B．To provide air conditioning.
C．To fertilize the soil.
D．To adjust the soil temperature.

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Compared with traditional computer science, web science includes the research ______.

单项选择题

Passage One Questions 26 to 29 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。