题目

—Was Martin sorry for what he had done? —_______. It was just like him. A. Never mind   B. All right   C. Not really   D. Not surprisingly 答案：C 解析: 译文：Martin 为他所做的事道歉了吗？不是真的，他那人就那德行。考点：交际用语。此处Not really=He was not really sorry for what he had done.   e.g. —“Could we put off the meeting?” she asked. —“ Not really ,” he answered politely. “This is the only day everyone is available.”她问：“我们可以推迟会议吗？”“真的不可设x，m∈N，且m＜19＜x，则(x－m)(x－m－1)…(x－19)用排列符号表示为________