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Module 1 Wonders of the world Unit 1 It's more than 2£¬000 years old. Unit 2 The Grand Canyon was not just big. Unit 3 Language in use Module 1¡¤ËØÑø Module 2 Public holidays Unit 1 My family always go somewhere interesting as soon as the holiday begins. Unit 2 We have celebrated the festival since the first pioneers arrived in America. Unit 3 Language in use Module 2¡¤ËØÑø×ۺϼì²â Module 3 Heroes Unit 1 She trained hard£¬so she became a great player later. Unit 2 There were few doctors£¬so he had to work very hard on his own. Unit 3 Language in use Module 3¡¤ËØÑø×ۺϼì²â רÏîËØÑø×ÛºÏÈ«Á·£¨Ò»£©Óï·¨Ìî¿Õ Module 4 Home alone Unit 1 I can look after myself£¬although it won't be easy for me ¡­¡­