Unit 1 Festivals let us enjoy life. Unit 2 Touch its beauty! Unit 3 I want to be a volunteer. Unit 4 Art comes from life. Unit 5 Manners make us more civilized. Unit 6 Take action to deal with stress. Unit 7 The earth is our shared home! Unit 8 Have your door locks been replaced? Unit 9 Technology creates a better future! Unit 10 Get ready for your career! Unit 11 Master skills and change the world! Unit 12 Welcome to the future!
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