Unit15 What do people eat？ 1
Unit16 What a good， kind girl！ 18
Unit17 You must be more careful！ 34
Unit18 Seeing the doctor 47
Unit19 A visit to an island 61
Unit20 Mainly revision 76
期中测试 91
Unit21 She taught herself 101
Unit22 The sports meeting 116
Unit23 A famous person 129
Unit24 What were they doing？ 142
Unit25 The accident 155
Unit26 Mainly revision 169
期末测试 181
综合练习（一） 192
综合练习（二） 204
参考答案 213