A. 是创新的灵魂 B. 以创造性人才为依托 C. 以高科技产业和智力为支柱 D. 最重要的特征就是知识和技术的创新
A. were catching taking B. caught to take C. caught in taking D. were caught taking
A. 透水 B. 火灾 C. 瓦斯爆炸 D. 煤和瓦斯突出