题目

—Why did you drop the chance of earning big money? —      ，You know, I don’t want to get rich by taking risks. A. All is well that ends well               B. One man’s meat is another’s poison C. Better safe than sorry                            D. No sweet without sweat 答案：C下列粒子结构示意图中，表示阳离子的是（　　） A、B、C、D、