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Unit 1 Principle of Life 1

Unit 2 People and Career 27

Unit 3 Where Is the Ideal Welfare System? 49

Unit 4 Our Next Home—Outer Space 77

Unit 5 A Harmonious Society—the Only True Peace 105

Unit 6 You Are What You Eat 129

Unit 7 Mass Media 157

Unit 8 Gender Differences 179

Unit 9 Emotional Intelligence 201

Unit 10 Work and Life 223

Unit 11 Great Inventions 249

Unit 12 Personal Budget 279