深圳牛津英语七年级英语下册第四单元-第一课时(共5页).doc

精选优质文档-倾情为你奉上Unit 4 Save the trees (第一课时)一、核心词汇专心-专注-专业1. save v.拯救2. pine n.松树3. discuss v.讨论4. branch n.树枝5. root n.根6. fight v.与作斗争7. against v.反对8. example n.例子9. harmful adj.有害的10. gas n.气体11. produce v.产生12. oxygen n.氧气13. major adj.主要的14. convenient adj.方便的15. furniture n.家具16. imagine v.想象17. disease n.疾病18. dig v.挖19. hole n.洞20. carry v.搬21. container n.容器二、重点短语1. fight against对抗，与.作斗争2. h