Unit One Nature(Ⅰ)

Part A

Part B

Part C

Unit Two Rights and Responsibility(Ⅰ)

Part A

Part B

Part C

Unit Three Education(Ⅰ)

Part A

Part B

Part C

Unit Four Celebrities(Ⅰ)

Part A

Part B

Part C

Unit Five National Spirits(Ⅰ)

Part A

Part B

Part C

Unit Six Future(Ⅰ)

Part A

Part B

Part C

Unit Seven Nature(Ⅱ)

Part A

Part B

Part C

Unit Eight Rights and Responsibility(Ⅱ)

Part A

Part B

Part C

Unit Nine Education(Ⅱ)

Part A

Part B

Part C

Unit Ten Celebrities(Ⅱ)

Part A

Part B

Part C

Unit Eleven National Spirits (Ⅱ)

Part A

Part B

Part C

Unit Twelve Future(Ⅱ)

Part A

Part B

Part C

Key to the Exercises