2011 National Question 1 Single-choice Differentiating 2011_quanguo_old_ii 1.(4分)组成该山体岩石的矿物直接来自( ) A. 地表B. 地壳上部C. 地壳下部D. 地幔 Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →