以下是关于【开幕式】的公开课/优质课视频，一共35个
17:0964-
37:0999 -
11:0547 -
30:55126 -
15:567 -
25:1993 -
42:0568 -
42:0675 -
42:05115 -
21:4745 -
24:4639 -
20:0648 -
04:5789 -
06:4650 -
11:2675 -
06:41113 -
26:4910 -
59:00119 -
40:1756 -
39:5630 -
31:349 -
28:355 -
10:2849 -
23:4317 -
17:1355 -
17:135 -
20:0014 -
28:1797 -
1:40:3521 -
16:2476 -
37:0952 -
1:00:38124 -
40:006 -
1:32:1321 -
14:1372