2011 National Question 9 Single-choice Differentiating 2011_quanguo_old_ii 9.(4分)此时甲乙丙三地的大气垂直状况相比较( ) A. 甲地比乙地稳定B. 乙地对流最旺盛C. 乙地比丙地稳定D. 丙地最稳定 Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →