问题
选择题
如果一个正多边形的外角是15°，则这个多边形是 [ ]
A．正十边形
B．正十二边形
C．正二十四边形
D．正二十边形
答案
答案：C
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如果一个正多边形的外角是15°，则这个多边形是 [ ]
A．正十边形
B．正十二边形
C．正二十四边形
D．正二十边形
答案：C
China is the home of tea, has more than 4,000 years of history. People in China drink tea daily. the three major drinks ––tea, coffee and cocoa, tea is by the largest number of people in the world. Tea from China, along silk and porcelain, began to be known by the world over a thousand years ago and has been an important Chinese export . Tea mainly in the area south of the Yangtze River, in the provinces of Zhejiang, Jiangxi and Fujian, because of the good and rich soil there. Longjing, Wulong, Pu’er and Tieguanyin are all kinds of tea. Over the past centuries, Chinese people have their unique tea culture, which includes tea planting, tea-leaf picking, tea making, and tea drinking and so on. Tea as well as coffee a popular topic which is often mentioned in dances, songs, poems and novels.
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