前辅文 UNIT 1 Economic resources UNIT 2 Hopes and fears Presentation 1 UNIT 3 The meaning of success UNIT 4 Human interaction Presentation 2 UNIT 5 Perception UNIT 6 Practical design Presentation 3 UNIT 7 Same but different UNIT 8 Food and sustainability Presentation 4 UNIT 9 Learning and memory UNIT 10 Invention or innovation Presentation 5 Communicative activities & Teacher’s notes Tests & Answer key
