题目

．She is very dear to us. We have been prepared to do        it takes to save her life. A. whichever        B. however    C. whatever   D. whoever 答案：C7．已知：线段a和∠α、∠β，作一个三角形，使其两角分别等于∠α、∠β，且其中一角所对的边长为a．（规范的作出图形，不要求写作法，但保留作图痕迹）