The last day of study. We went to the Shanghai Museum and the Chinese Museum for breakf...
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IP属地：山东
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2018-11-18 -
2018-11-18On the fourth day, we went to my favorite Oriental Pearl and Shanghai Science and Techn...
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2018-11-18
On the third day, we went to the presidential palace in Nanjing. It shows the place whe...
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2018-11-18At 6:30 in the morning, he got up for breakfast and then took a bus to the Jiangning we...
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The first day of study tour from Shanghai to Nanjing.
The high-speed rail at 6:00 in the morning goes to Nanjing. Those four hours of high-sp...
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通讯的发展 development of communication
以前,人们用的是类似于传呼机一样的通讯工具,现在,平板iPad Pro手机让人类广泛运用, 人类通讯发展史口语时代，古代击鼓文字书写时代，西周，邮驿文字书写时代 公元前10...
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