Section B

1.1   Section A

1.2   Grammar Focus

1.3   Section B

1.4   Self Check

1.5   Unit1小结复习

2.1   Section A

2.2   Grammar Focus

2.3   Section B

2.4   Self Check

2.5   小结复习

3.1   Section A

3.2   Grammar Focus

3.3   Section B

3.4   Self Check

3.5   小结复习

4.1   Section A

4.2   Grammar Focus

4.3   Section B

4.4   Self Check

4.5   小结复习

5.1   Section A

5.2   Grammar focus

5.3   Section B

5.4   Self Check

5.5   小结复习

6.1   Section A

6.2   Grammar Focus

6.3   Section B

6.4   Self Check

6.5   小结复习

7.1   Section A

7.2   Grammar Focus

7.4   Self Check

7.5   小结复习

8.1   Section A

8.2   Grammar Focus

8.3   Section B

8.4   Self Check

8.5   小结复习

9.1   Section A

9.2   Section B

9.3   Self Check

9.4   小结复习

10.1   Section A

10.2   Grammar Focus

10.3   Section B

10.4   Self Check

10.5   小结复习

11.1   Section A

11.2   Grammar Focus

11.3   Section B

11.4   Self Check

11.5   小结复习

12.1   Section A

12.2   Grammar Focus

12.3   Section B

12.4   Self Check

12.5   小结复习