【目录】 Introduction Core Language About This Book SUMMER VACATION I My Summer Vacation Summer activities and items 2 At the Beach Beach activities and rules 3 I Had a Great Time! Giving thanks and talking about memories LET'S GO TRAVEL! 4 Pach Vour Suitcase Travel items and places to stay 5 At the Airport Booking plane tickets and places in an airport 6 A Travel Guide Travel activities and items THE OCEAN 7 Oceans of the World Oceans and measurements of area 8 Sea Life Sea life and parts of sea life 9 Under the Sea Underwater items and life WATER IS LIFE 10 Bad Weather Weather and air pollution 11 The Water Cycle Describing change and states of water 12 Saving Water Containers and measurements of water Index Language Charts Core Vocabulary
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