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Unit 1 The Changing World. Revision
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00:36:23
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Unit 1《The changing world》Topic 1 Our country has developed rapidly.(Section A)
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00:32:39
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Unit 1《The changing world》Topic 1 Our country has developed rapidly.(Section B)
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00:41:15
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Unit 1《The changing world》Topic 1 Our country has developed rapidly.(Section C D)
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00:53:20
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Unit 1《The changing world》Topic 2 The population in developing countries is growing faster.(Section A)
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00:33:18
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Unit 1《The Changing World》Topic 2 The population in developing countries is growing faster.(Section B)
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00:46:11
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Unit 1《The Changing World》Topic 2 The population in developing countries is growing faster.(Section C)
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00:36:16
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Unit 1《The Changing World》Topic 2 The population in developing countries is growing faster.(Section D)
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00:34:38
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Unit 1《The Changing World》Topic 3 The world has changed for the better.(Section A)
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00:33:12
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Unit 1《The Changing World》Topic 3 The world has changed for the better.(Section B)
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00:44:30
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Unit 1《The Changing World》Topic 3 The world has changed for the better.(Section C)
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Unit 1《The Changing World》Topic 3 The world has changed for the better.(Section D)
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00:21:50
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Unit 2《Saving the Earth》Topic 1 Pollution has caused too many problems.(Section A)
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00:27:42
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Unit 2《Saving the Earth.》 Topic 1 Pollution has caused too many problems. (Section B)
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00:36:59
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Unit 2《Saving the Earth.》 Topic 1 Pollution has caused too many problems. (Section C)
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00:33:25
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Unit 2《Saving the Earth.》 Topic 1 Pollution has caused too many problems. (Section D)
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00:24:38
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Unit 2《Saving the Earth.》 Topic 2 All these problems are very serious. (Section A)
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00:26:33
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Unit2《Saving the Earth .》Topic 2 All these problems are very serious.( Section B)
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Unit2 Topic2 《All these problems are very serious 》(Section C)
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Unit2 Topic2 《All these problems are very serious》 (Section D)
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00:34:21
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Unit 2 《Saving the Earth》 Topic 3 What can we do at home to protect the environment? (Section A)
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00::38:05
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Unit 2 《Saving the Earth》 Topic 3 What can we do at home to protect the environment? (Section B)
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00:33:38
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Unit 2 Topic 3 What can we do at home to protect the environment?Section C
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00:34:19
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Unit 2 Topic 3 What can we do at home to protect the environment?Section D
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00:24:52
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Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section A)
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00:32:50
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Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section B)
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00:38:53
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Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section C)
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00:32:49
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Unit 3《English Around the World》Topic 1 English is widely spoken throughout the world.(Section D)
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00:28:33
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Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.(Section A)
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00:35:30
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Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.(Section B)
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00:36:23
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Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.(Section C)
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00:36:33
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Unit 3《English Around the World》Topic 2 Some things usually have different meanings in different cultures.(Section D)
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00:38:35
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Unit 3《English Around the World》Topic 3 Could you give us some advice on how to learn English well?(Section A)
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00:39:14
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Unit 3《English Around the World》Topic 3 Could you give us some advice on how to learn English well? (Section C)
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00:30:58
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Unit 3《English Around the World》Topic 3 Could you give us some advice on how to learn English well? (Section D)
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00:29:29
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Unit 4《Amazing Science》Topic 1 When was it invented?(Section A)
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00:44:11
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Unit 4《Amazing Science》Topic 1 When was it invented?(Section B)
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00:27:42
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Unit 4《Amazing Science》Topic 1 When was it invented?(Section C)
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00:23:59
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Unit 4《Amazing Science》Topic 1 When was it invented?(Section D)
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00:25:57
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Unit 4《Amazing Science》Topic 2 I'm excited about the things that will be discovered in the future.(Section A)
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00:28:28
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Unit 4《Amazing Science》Topic 2 I'm excited about the things that will be discovered in the future.(Section C)
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00:35:43
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Unit 4《Amazing Science》Topic 2 I'm excited about the things that will be discovered in the future.(Section D)
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00:22:56
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Unit 4 Topic 3 China is the third Nation that sent a person into space. Section A
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00:33:11
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Unit 4 Topic 3 China is the third Nation that sent a person into space. Section B
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00:32:31
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Unit 4 Topic 3 China is the third nation that sent a person into space.(Section C)
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00:38:24
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Unit 4 Topic 3 China is the third nation that sent a person into space.(Section D)
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00:30:47