Unit 1．In the library 1
Unit 2．Water sports 18
Unit 3．Make our world more beautiful 33
Unit 4．Travel 51
Unit 5．Have a good time 69
Unit 6．Mainly revision 87
期中考试模拟试卷A卷 106
期中考试模拟试卷B卷 114
Unit 7．A man who never gave up 125
Unit 8．Merry Chirstmas! 152
Unit 9．What is it made of 179
Unit 10．When was it made of? 197
Unit 11．Planting trees 214
Unit 12．Mainly revision 231
上学期期末考试模拟试卷A卷 235
上学期期末考试模拟试卷B卷 241
Unit 13．The word s population 246
Unit 14．Shopping 263
Unit 15．A doctor for animals 281
Unit 16．The football match 297
Unit 17．The missing necklace 317
Unit 18．Mainly revision 334
下学期期末考试模拟试卷A卷 353
下学期期末考试模拟试卷B卷 363