第23题: [单项选择]An epigram is usually defined being a bright or witty thought that is tersely and ingeniously expressed. A. as B. as be C. as been D. to being 参考答案:A 答案解析:习惯搭配。define sth. as sth.给……下定义,界定:In this dictionary“reality”is defined as “the state of things as t