Unit 1 A land of diversity 1
Part Ⅰ Warming up 2
Part Ⅱ Reading 3
Part Ⅲ Learning about larnguage 7
Part Ⅳ Using language 8
Unit 2 Cloning 16
Part Ⅰ Warming up &.Reading 17
Part Ⅱ Learning about Language 21
Part Ⅲ Using Language 24
Unit 3 Inventors and inventions 32
Part Ⅰ Warming up 33
Part Ⅱ Reading 34
Part Ⅲ Learning about language 38
Part Ⅳ Using language 39
Unit 4 Pygmalion 47
Part Ⅰ Warming up 48
Part Ⅱ Reading 49
Part Ⅲ Learning about language 53
Part Ⅳ Using language 54
Unit 5 Meeting your ancestors 62
Part Ⅰ Warming up 63
Part Ⅱ Reading 64
Part Ⅲ Learning about language 67
Part Ⅳ Using language 68
第一单元 检测题 75
第二单元 检测题 83
第三单元 检测题 91
第四单元 检测题 99
第五单元检测题 107
综合检测题 115
参考答案 123