There are four seasons in a year. They are spring, summer, autumn and winter. My favourite season is winter. Although it is cold in winter, and sometimes it snows, I play with snow. I can make a snowman with my frie
确定以《义勇军进行曲》为代国歌、以五星红旗为国旗的会议是( )
17—18世纪的欧洲人相信,人类可以征服自然,也可以推动人类自身不断前进。产生这种认识的主要原因是
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