Level 1
unit 1
1
S1M0004-Four business value
2
S1M0005-Collecting as a hobby
3
S1M0006-Information sharing
4
S1M0007-Talk to new chicken assistants
5
S1M0002-Sentence pattern
6
S1M0001-Vocabulary
7
S1M0041-Grammar （可以删除）
8
S1M0008-Unit test
9
S1M0003-Grammar
Level 2
Unit 2
1
S1M0012-Precious Blue Pigment
2
S1M0013-The Origins of Writing
3
S1M0014-Electronic medical records (part 1)
4
S1M0014-Electronic medical records (part 2)
5
S1M0014-Electronic medical records (part 3)
6
S1M0015-Warning coloration (part 1)
7
S1M0015-Warning coloration (part 2)
8
S1M0015-Warning coloration (part 3)
9
S1M0010-Sentence pattern
10
S1M0009-Vocabulary
11
S1M0016-Unit test
12
S1M0011-Grammar
Level 3
Unit 3
1
S1M0020-Conflict at work
2
S1M0021-Music and the emotions
3
S1M0022-Large population of young groups
4
S1M0023-Theatre trip to Munich
5
S1M0018-Sentence pattern
6
S1M0017-Vocabulary
7
S1M0024-Unit test
8
S1M0019-Grammar
Level 4
Unit 4
1
S1M0028-Hernani
2
S1M0029-The Commercial Revolution in Medieval Europe
3
S1M0030-Powered flight (part 1)
4
S1M0030-Powered flight (part 2)
5
S1M0030-Powered flight (part 3)
6
S1M0031-Reactance (part 1)
7
S1M0031-Reactance (part 2)
8
S1M0031-Reactance (part 3)
9
S1M0026-Sentence pattern
10
S1M0025-Vocabulary
11
S1M0032-Unit test
12
S1M0027-Grammar
Level 5
Unit 5
1
S1M0033-Vocabulary test
2
S1M0034-Sentence pattern test
3
S1M0035-Grammar test
4
S1M0036-Listening test
5
S1M0037-Reading test
6
S1M0038-Writing test
7
S1M0039-Speaking test
8
S1M0040-Level test
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