第21题: [单项选择]Method of communication not mentioned or intimated by the author is the________. A. classes for parents B. demonstration lesson C. new type of report card D. parent-teacher interview 参考答案:C 答案解析:[解析]事实细节题。此题属于细节辨认类题型。原文第二段提到Many principals have conducted workshops explaining such matters as the