必修5 1
Unit 1 Great scientists 1
Unit 2 The United Kingdom 11
Unit 3 Life in the future 21
Unit 4 Making the news 31
Unit 5 First aid 40
选修6 51
Unit 1 Art 51
Unit 2 Poems 62
Unit 3 A healthy life 73
Unit 4 Global warming 82
Unit 5 The power of nature 92
参考答案 101