This year marks the 50th anniversary of the founding of Tibet autonomous region. Having experienced four historic stages......

If your girlfriend says， “When I was taking my medicine this morning， I heard some news…” Do not， under any circumstance......

Inquiry-based learning is a new kind of teaching method.Teachers’questioning is a very significant part of inquiry-base......

Profile of China’scultural trade China’s modtern cultural trade began with small scale in the mid-term of the 1980s. T......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

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