说明文在中学课文中占有相当的比重,因此不可忽视,但当前实际情况却多为讲台上老师讲得头头是道,讲台下学生听得兴味索然,学生们常抱怨 Although the explanatory texts account for a considerable portion of texts in secondary schools, they should not be overlooked. However, the current situation is often characterized by the fact that the teachers on the podium speak politely and students often complain about their interest.