以下是关于【友谊的回声】的公开课/优质课视频，一共38个
41:4797-
39:4964 -
28:1385 -
41:56104 -
42:28114 -
40:1888 -
15:5860 -
06:0319 -
42:0256 -
41:5690 -
41:47118 -
26:3098 -
39:4943 -
17:0116 -
17:0186 -
41:5685 -
40:1880 -
42:2841 -
30:0912 -
24:577 -
30:0956 -
39:5340 -
42:3350 -
46:0592 -
40:3493 -
31:2028 -
29:54135 -
26:4783 -
43:2122 -
32:2089 -
31:0461 -
40:1896 -
42:2888 -
40:02114 -
36:0447 -
40:0658 -
41:59134 -
31:3875