Unit 1 A New Visual Era 1
Task 1 1
Task 2 5
Task 3 9
Task 4 12
Task 5 16
Unit 2 Advertising 18
Task 1 18
Task 2 20
Task 3 23
Task 4 24
Unit 3 Lighting up our Life 26
Task 1 26
Task 2 27
Task 3 35
Task 4 39
Unit 4 Social Problems and Law 41
Task 1 41
Task 2 46
Task 3 49
Task 4 53
Unit 5 Robots Around You 55
Task 1 55
Task 2 59
Task 3 67
Task 4 68
Unit 6 Material Science and Engineering 69
Task 1 69
Task 2 73
Task 3 78
Task 4 81
Task 5 83
Unit 7 Agriculture 86
Task 1 86
Task 2 90
Task 3 92
Task 4 97
Unit 8 Architecture 98
Task 1 98
Task 2 102
Task 3 105
Task 4 110
Unit 9 Mysteries in the Sky 112
Task 1 112
Task 2 114
Task 3 115
Task 4 121
Unit 10 Environmental Science and Engineering 127
Task 1 127
Task 2 131
Task 3 135
Task 4 139
Unit 11 Water Power 141
Task 1 141
Task 2 146
Task 3 149
Task 4 151
Task 5 153
Unit 12 Hi-Tech World 154
Task 1 154
Task 2 158
Task 3 160
Task 4 163