Level 1
unit 1
1
S2M0001-Vocabulary
2
S2M0003-Grammar
3
S2M0008-Unit test
4
S2M0004-Thaw lakes in Alaska
5
S2M0005-Coral Reefs
6
S2M0006-Asteroid colonization (part 2)
7
S2M0006-Asteroid colonization (part 1)
8
S2M0006-Asteroid colonization (part 3)
9
S2M0007-Living in a group for animals (part 1)
10
S1M0007-Living in a group for animals (part 2)
11
S2M0002-Sentence pattern
Level 2
Unit 2
1
S2M0009-Vocabulary
2
S2M0012-Fitness Holidays
3
S2M0013-The risks agriculture faces in developing countries
4
S2M0014-Constructing a well-established transport system
5
S2M0015-Visiting the Sheepmarket area
6
S2M0016-Unit test
7
S2M0011 -Grammar
8
S2M0010-Sentence pattern
Level 3
Unit 3
1
S2M0017-Vocabulary
2
S2M0020-Pottery
3
S2M0021-Chinese Population Growth
4
S2M0022-Taxation on cigarettes (part 1)
5
S2M0022-Taxation on cigarettes (part 2)
6
S2M0022-Taxation on cigarettes (part 3)
7
S2M0023-Animal’s biological cycle (part 1)
8
S2M0023-Animal’s biological cycle (part 2)
9
S2M0024-Unit test
10
S2M0019-Grammar
11
S2M0018-Sentence pattern
Level 4
Unit 4
1
S2M0025-Vocabulary
2
S2M0028-The effects of environmental change on birds
3
S2M0029-The Lost City
4
S2M0030-Allowing children to make their own choices
5
S2M0031-Noise in Cities
6
S2M0032-Unit test
7
S2M0027-Grammar
8
S2M0026-Sentence pattern
Level 5
Unit 5
1
S2M0033-Vocabulary test
2
S2M0034-Sentence pattern test
3
S2M0035-Grammar test
4
S2M0036-Listening test
5
S2M0037-Reading test
6
S2M0038-Writing test
7
S2M0039-Speaking test
8
S2M0040-Rank test