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【多选题】
以下关于艰苦奋斗的表述正确的有
A.
艰苦奋斗是老一辈的事，当代青年不需要艰苦奋斗
B.
一个没有艰苦奋斗精神作支撑的国家，是难以发展进步的
C.
一个没有艰苦奋斗精神作支撑的民族，是难以自立自强的
D.
艰苦奋斗是实现理想的重要条件
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