Unit 1 Famous People 1
Unit 2 Knowledge Economy 21
Unit 3 Internet and Our Lives 41
Unit 4 Computer Crimes 61
Unit 5 Sightseeing in Macao 81
Model Test 1 105
Unit 6 Multicultural Communication 111
Unit 7 Man and Nature 131
Unit 8 Famous Chinese Scenic Spots 151
Unit 9 Environment Awareness 171
Unit 10 My Favorite Product 193
Model Test 2 213
Test One 221
Test Two 239