以下是关于【长城】的公开课/优质课视频，一共42个
40:4934-
41:28100 -
40:36131 -
43:2439 -
15:4126 -
13:1020 -
06:0176 -
40:36115 -
42:08107 -
41:33137 -
42:00100 -
40:3634 -
19:1984 -
44:1585 -
39:54130 -
43:2489 -
28:1571 -
40:5435 -
38:5052 -
45:38130 -
49:537 -
47:1781 -
37:1468 -
17:13129 -
41:4058 -
44:1583 -
45:15107 -
39:3996 -
39:4223 -
40:4372 -
40:2886 -
40:0646 -
43:08118 -
40:5432 -
18:2460 -
19:1947 -
42:54114 -
40:1256 -
40:55132 -
39:3358 -
46:296 -
45:3114