编辑同志: 学习之中,遇疑难问题,特书贵刊,盼予解答。一、高中英语试用本第二册四十七页,在讲到独立主格结构时,有一例: He sat there thinking,with his head on his hand.句中用了with短语,不知带with的独立主格结构与不带with的独立主格结构有何不同? 二、高三试用英语全一册,第四课中有人名Karl von Frisch中的von不知为什么课文中有时用大 Editors Comrades: During the course of study, in case of difficult problems, the special books and magazines are expected to be answered. First, high school English trial of the second volume forty-seven pages, when speaking about the independent main structure, there is a case: He sat there thinking, with his head on his hand. Sentence with the phrase, I do not know with the independence of the main grid What is the difference between the structure and the independent main frame structure without with? Second, the third grade trial English all in one volume, in the fourth class somebody named Karl von Frisch von I do not know why sometimes in the text