Unit 1 Living well 1
Warming up， Pre-reading， Reading and Comprehending 2
Learning about Language and Using Language 9
Unit 2 Robots 18
Warming up，Pre-reading， Reading and Comprehending 19
Learning about Language and Using Language 27
Unit 3 Under the sea 36
Warming up， Pre-reading， Reading and Comprehending 37
Learning about Language and Using Language 44
Unit 4 Sharing 54
Warming up， Pre-reading， Reading and Comprehending 55
Learning about Language and Using Language 62
Unit 5 Travelling abroad 73
Warming up， Pre-reading， Reading and Comprehending 74
Learning about Language and Using Language 82
第一单元 检测题 91
第二单元 检测题 99
第三单元 检测题 107
第四单元 检测题 115
第五单元 检测题 123
综合检测题 131
参考答案 139