导读 1
Unit 1 Food 11
Unit 2 Sport 18
Unit 3 Medicine 25
Unit 4 Custom 33
Unit 5 Education 40
Unit 6 Geography and Astronomy 47
Unit 7 Climate 54
Unit 8 Advertisement 62
Unit 9 Children 69
Unit 10 Computer and Internet 77
Unit 11 History 84
Unit 12 Manners 91
Unit 13 Business 100
Unit 14 Science 108
参考答案与试题分析 116