九年级英语上册Unit 1《The changing world》Topic 1 Our country has developed rapidly.（Section A）

九年级英语上册Unit 1《The changing world》Topic 1 Our country has developed rapidly.（Section B）

九年级英语上册Unit 1《The changing world》Topic 1 Our country has developed rapidly.（Section C D）

九年级英语上册Unit 1《The changing world》Topic 2 The population in developing countries is growing faster.（Section A）

九年级英语上册Unit 1《The Changing World》Topic 2 The population in developing countries is growing faster.(Section B)

九年级英语上册Unit 1《The Changing World》Topic 2 The population in developing countries is growing faster.(Section C)

九年级英语上册Unit 1《The Changing World》Topic 2 The population in developing countries is growing faster.(Section D)

九年级英语上册Unit 1《The Changing World》Topic 3 The world has changed for the better.(Section A)

九年级英语上册Unit 1《The Changing World》Topic 3 The world has changed for the better.（Section B）

九年级英语上册Unit 1《The Changing World》Topic 3 The world has changed for the better.（Section C）

九年级英语上册Unit 1《The Changing World》Topic 3 The world has changed for the better.（Section D）

九年级英语上册Unit 2《Saving the Earth》Topic 1 Pollution has caused too many problems.（Section A）

九年级英语上册Unit 2《Saving the Earth.》 Topic 1 Pollution has caused too many problems. （Section B）

九年级英语上册Unit 2《Saving the Earth.》 Topic 1 Pollution has caused too many problems. （Section C）

九年级英语上册Unit 2《Saving the Earth.》 Topic 1 Pollution has caused too many problems. （Section D）

九年级英语上册Unit 2《Saving the Earth.》 Topic 2 All these problems are very serious. （Section A）

九年级英语上册Unit2《Saving the Earth .》Topic 2 All these problems are very serious.（ Section B）

九年级英语上册 Unit2 Topic2 《All these problems are very serious 》（Section C）

九年级英语上册 Unit2 Topic2 《All these problems are very serious》 (Section D)

九年级英语上册Unit 2 《Saving the Earth》 Topic 3 What can we do at home to protect the environment？ (Section A)

九年级英语上册Unit 2 《Saving the Earth》 Topic 3 What can we do at home to protect the environment？ (Section B)

九年级英语上册Unit 2 Topic 3 What can we do at home to protect the environment？Section C

九年级英语上册Unit 2 Topic 3 What can we do at home to protect the environment？Section D

九年级英语上册Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section A)

九年级英语上册Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section B)

九年级英语上册Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section C)

九年级英语上册Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section D)

九年级英语上册Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.(Section A)

九年级英语上册Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.（Section B）

九年级英语上册Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.（Section C）

九年级英语上册Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.（Section D）

九年级英语上册Unit 3《English Around the World》Topic 3 Could you give us some advice on how to learn English well？（Section A）

九年级英语上册Unit 3《English Around the World》Topic 3 Could you give us some advice on how to learn English well? (Section C)

九年级英语上册Unit 3《English Around the World》Topic 3 Could you give us some advice on how to learn English well? (Section D)

九年级英语上册Unit 4《Amazing Science》Topic 1 When was it invented?（Section A）

九年级英语上册Unit 4《Amazing Science》Topic 1 When was it invented?（Section B）

九年级英语上册Unit 4《Amazing Science》Topic 1 When was it invented?（Section C）

九年级英语上册Unit 4《Amazing Science》Topic 1 When was it invented?（Section D）

九年级英语上册Unit 4《Amazing Science》Topic 2 I'm excited about the things that will be discovered in the future.（Section A）

九年级英语上册Unit 4《Amazing Science》Topic 2 I'm excited about the things that will be discovered in the future.（Section C）

九年级英语上册Unit 4《Amazing Science》Topic 2 I'm excited about the things that will be discovered in the future.（Section D）

九年级英语上册Unit 4 Topic 3 China is the third Nation that sent a person into space. Section A

九年级英语上册Unit 4 Topic 3 China is the third Nation that sent a person into space. Section B

九年级英语上册Unit 4 Topic 3 China is the third nation that sent a person into space.（Section C）

九年级英语上册Unit 4 Topic 3 China is the third nation that sent a person into space.（Section D）

九年级英语上册Unit 1 The Changing World. Revision