题目

如图的三幅图片，分别代表了世界三大宗教，按创立的时间先后顺序排列的是（ ） A . ①②③ B . ②③① C . ②①③ D . ③②① 答案：B During the students’ first teacher training year, they often visited schools for the _____ of lessons.      A．examination  B．investigation    C．inspection   D．observation