初中政治教学的创新

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In 2009, while still at college, Chowdhury received a grant to distribute 100 water filters in Bangladesh to remove arsenic from groundwater. His team developed filters for household use, but they failed to live up to his expectations.

In 1915, Maotai received its first gold medal at the Panama Pacific International Exposition held in San Francisco.

In 2016, Ankang, another village in Delingha, started growing quinoa, which has become a booming industry. The allocated poverty-alleviation funds were used to cultivate land, buy agricultural machinery and seedlings and train local farmers how to farm the grain.

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Immigration officers from the Pumaqangtang border police station patrol grassland in Nakarze county, Lhokha, Tibet autonomous region, on Aug 8. [Photo by Wang Jing/China Daily]

In 2015, he tried his luck pitching his startup to Qianhai Shenzhen-Hong Kong Youth Innovation and Entrepreneur Hub in Shenzhen, and in less than six months he received a 50 million yuan (.9 million) investment.

In 2000, the whole village was relocated down from the mountains thanks to a resettlement program, and all its households, including Zeng's family, moved into three-or four-story buildings.

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In 1981, Vairon and his wife went to Taiwan to continue studying Chinese and stayed there for six months. Twenty-four years later, his first trip to the Chinese mainland took him to Shanghai, Beijing and Xinjiang Uygur autonomous region.

In 1980, the top environmental agencies in Beijing and Washington signed an agreement on scientific and technical cooperation. It was China's first international agreement on environmental protection. Just over a decade later, the US invited the New York-based Environmental Defense Fund to participate in China's first experiment with economic incentives for pollution control, one of the China-US cooperative projects

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Images of the crash area show extensive damage to both aircraft, with large amounts of wreckage and debris strewn across a field and in sparse bushland.

In 1971, nine US table tennis players attending the Nagoya World Table Tennis Championship in Japan were invited by the Chinese delegation to visit Beijing to play an exhibition match with their Chinese counterparts, a significant step by China to reestablish contacts with the US after 20 years of isolation.