I was very exciting _______ I heard the news that the high-speed rail would be built from Guangzhou to Xiamen.
以重血亲人伦、重现世事功、重实用理性、重道德修养的醇厚之风,独树一帜,而成为重要学派的是( )
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下列地理现象的形成原因,按其内在联系正确的是( )