目录

UNIT 1 The Changing World TOPIC 1 Our country has developed rapidly. Section A

UNIT 1 The Changing World TOPIC 1 Our country has developed rapidly. Section B

UNIT 1 The Changing World TOPIC 1 Our country has developed rapidly. Section C

UNIT 1 The Changing World TOPIC 1 Our country has developed rapidly. Section D

UNIT 1 The Changing World TOPIC 2 The population in developing countries is growing faster.Section A

UNIT 1 The Changing World TOPIC 2 The population in developing countries is growing faster.Section B

UNIT 1 The Changing World TOPIC 2 The population in developing countries is growing faster.Section C

UNIT 1 The Changing World TOPIC 2 The population in developing countries is growing faster.Section D

UNIT 1 The Changing World TOPIC 3 The world has changed for the better. Section A

UNIT 1 The Changing World TOPIC 3 The world has changed for the better. Section B

UNIT 1 The Changing World TOPIC 3 The world has changed for the better. Section C

UNIT 1 The Changing World TOPIC 3 The world has changed for the better. Section D

Review of Unit 1

UNIT 2 Saving the Earth TOPIC 1 Pollution has caused too many problems. Section A

UNIT 2 Saving the Earth TOPIC 1 Pollution has caused too many problems. Section B

UNIT 2 Saving the Earth TOPIC 1 Pollution has caused too many problems. Section C

UNIT 2 Saving the Earth TOPIC 1 Pollution has caused too many problems. Section D

UNIT 2 Saving the Earth TOPIC 2 All these problems are very serious. Section A

UNIT 2 Saving the Earth TOPIC 2 All these problems are very serious. Section B

UNIT 2 Saving the Earth TOPIC 2 All these problems are very serious. Section C

UNIT 2 Saving the Earth TOPIC 2 All these problems are very serious. Section D

UNIT 2 Saving the Earth TOPIC 3 What can we do at home to protect the environment. Section A

UNIT 2 Saving the Earth TOPIC 3 What can we do at home to protect the environment. Section B

UNIT 2 Saving the Earth TOPIC 3 What can we do at home to protect the environment. Section C

UNIT 2 Saving the Earth TOPIC 3 What can we do at home to protect the environment. Section D

Review of units 1-2

UNIT 3 English Around the World TOPIC 1 English is widely spoken throughout the world. Section A

UNIT 3 English Around the World TOPIC 1 English is widely spoken throughout the world. Section B

UNIT 3 English Around the World TOPIC 1 English is widely spoken throughout the world. Section C

UNIT 3 English Around the World TOPIC 1 English is widely spoken throughout the world. Section D

UNIT 3 English Around the World TOPIC 2 Section A

UNIT 3 English Around the World TOPIC 2 Section B

UNIT 3 English Around the World TOPIC 2 Section C

UNIT 3 English Around the World TOPIC 2 Section D

UNIT 3 English Around the World TOPIC 3 Section A

UNIT 3 English Around the World TOPIC 3 Section B

UNIT 3 English Around the World TOPIC 3 Section C

UNIT 3 English Around the World TOPIC 3 Section D

Review of unit 3

UNIT 4 Amazing Science TOPIC 1 When was it invented? Section A

UNIT 4 Amazing Science TOPIC 1 When was it invented? Section B

UNIT 4 Amazing Science TOPIC 1 When was it invented? Section C

UNIT 4 Amazing Science TOPIC 1 When was it invented? Section D

UNIT 4 Amazing Science TOPIC 2 I'm excited about the things that will be discovered in the future. Section A

UNIT 4 Amazing Science TOPIC 2 I'm excited about the things that will be discovered in the future. Section B

UNIT 4 Amazing Science TOPIC 2 I'm excited about the things that will be discovered in the future. Section C

UNIT 4 Amazing Science TOPIC 2 I'm excited about the things that will be discovered in the future. Section D

UNIT 4 Amazing Science TOPIC 3 China is the third nation sent a person into space. Section A

UNIT 4 Amazing Science TOPIC 3 China is the third nation sent a person into space. Section B

UNIT 4 Amazing Science TOPIC 3 China is the third nation sent a person into space. Section C

UNIT 4 Amazing Science TOPIC 3 China is the third nation sent a person into space. Section D

Review of units 3-4

Word List Unit 1 Topic 1

Word List Unit 1 Topic 2

Word List Unit 1 Topic 3

Word List Review of Unit 1

Word List Unit 2 Topic 1

Word List Unit 2 Topic 2

Word List Unit 2 Topic 3

Word List Review of Units 1-2

Word List Unit 3 Topic 1

Word List Unit 3 Topic 2

Word List Unit 3 Topic 3

Word List Review of Unit 3

Word List Unit 4 Topic 1

Word List Unit 4 Topic 2

Word List Unit 4 Topic 3

Word List Review of Units 3-4