单项选择题

Questions 14-16 are based on the following passage. You now have 15 seconds to read questions 14-16.
What is the purpose of building new houses facing north or south

A．To avoid direct sunlight.
B．To limit space used.
C．To keep out the cold.
D．To conform to other houses.

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Questions 14-16 are based on the following passage. You now have 15 seconds to read questions 14-16. What is the purpose of building new houses facing north or south 您的浏览器不支持 audio 元素。