Module 1 Wonders of the world
Unit 1 It's more than 2,000 years old 2
Unit 2 The Grand Canyon was not just big 4
Unit 3 Language in use 6
模块整合与拔高 8
Module 2 Public holidays
Unit 1 My family always go somewhere interesting as soon as the holiday begins 9
Unit 2 We have celebrated the festival since the first pioneers arrived in America 11
Unit 3 Language in use 13
模块整合与拔高 15
Module 3 Heroes
Unit 1 She trained hard,so she became a great player later 16
Unit 2 There were few doctors,so he had to work very hard on his own 18
Unit 3 Language in use 20
模块整合与拔高 22
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