『壹』 新版2014沪教版上海牛津小学英语三起四年级下册MP3+中英LRC字幕
1有效繁殖“高附加值的牲畜”
2可挽救珍稀动物
3对于人类疾病的防治，寿命延长具有重要的意义
『贰』 小学四年级下册沪教版英语书wordlist
一、ADCDCBDCBDCBDCB
二、1.friendly 2.watching 3.terrified 4.speak5.being
三、1.Did you use to play thepiano? 2.I didn't useto like English 3.You used to have long hair, didn’t’ you?4. What did hisfather use to look like?
四、What did; use to do2.didn't she 3.What did;use; wear 4.am interested in 5.by himself
五、1.lot 2.used 3.was4.interested 5.changed