classroom net教室网络classroomn.教室；课堂classroom teaching and extension课堂教学及延伸classroom participation patterns课堂参与模式classroom instruction management课堂教学管理classroom instructional equality课堂教学公平classroom instruction evaluation课堂教学评价classroom instructional structure课堂教学结构Classroom Atmosphere Questionnaire课堂气氛问卷classroom teaching evaluation mode课堂教学评价模式Classroom teaching in universities大学课堂教学classroom psychological atmosphere课堂心理气氛

1. He had watched as Stockwell went to the window, forcing the gunman to turn his back to the door.
   他已经注意到了，斯托克韦尔故意朝窗边走去，迫使枪犯背对教室门，给他创造了机会。