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Questions 14-17 are based on a lecture in a college class. You now have 20 seconds to read Questions 14-17. What is remarkable about the black walnut tree outside Brett Hall

A．Its leaves are yellow.
B．Its leaves are lopsided.
C．It is very tall.
D．It is not an angiosperm.

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单项选择题

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Questions 14-17 are based on a lecture in a college class. You now have 20 seconds to read Questions 14-17. What is remarkable about the black walnut tree outside Brett Hall 您的浏览器不支持 audio 元素。