第31题: [单项选择]Mr. Brown's numerous New Year's resolutions came to nothing just as the saying goes: "A leopard never change its _____." A. spots B. dots C. patches D. points 参考答案:A 答案解析:根据谚语的固定用法,A leopard never change its spots(花豹从不改变它身上的斑点)。(意指本性难移),因此此题的正确答案是A。