课程目录: 1·1-002-Unit1-02. 词根词缀法+词根sit 2·2-003-Unit1-03. 字母互换原则+词根sit的扩展 3·3-004-Unit1-04. able 4·4-005-Unit1-05. art 5·5-006-Unit1-06. ball 6·6-007-Unit1-07. by 7·7-008-Unit1-08. bar 8·8-009-Unit1-09. car 9·9-010-Unit1-10. care 10·10-011-Unit1-11. count 11·11-012-Unit1-12. clear 12·12-013-Unit1-13. draw 13·13-014-Unit1-14. fact 14·14-015-Unit1-15. fall 15·15-016-Unit1-16. hand 16·16-017-Unit1-17. just 17·17-018-Unit1-18. life 18·18-019-Unit1-19. line 19·19-020-Unit1-20. long 20·20-021-Unit1-21. mind 21·21-022-Unit1-22. night 22·22-023-Unit1-23. part 23·23-024-Unit1-24. per 24·24-025-Unit1-25. please 25·25-026-Unit1-26. point 26·27-028-Unit1-28. pain 27·30-031-Unit1-31. word 28·32-033-Unit2-01. astro 29·33-034-Unit2-02. alt 30·38-039-Unit2-07. clu 31·39-040-Unit2-08. cur 32·40-041-Unit2-09. dom 33·41-042-Unit2-10. dur 34·42-043-Unit2-11. entr 35·43-044-Unit2-12. fac 36·44-045-Unit2-13. firm 37·45-046-Unit2-14. flor 38·46-047-Unit2-15. grat 39·55-056-Unit2-24. min 40·56-057-Unit2-25. mod 41·57-058-Unit2-26. mun 42·58-059-Unit2-27. mus 43·59-060-Unit2-28. not 44·60-061-Unit2-29. noun 45·61-062-Unit2-30. nov 46·62-063-Unit2-31. ol 47·63-064-Unit2-32. oper 48·64-065-Unit2-33. ord 49·65-066-Unit2-34. plan 50·66-067-Unit2-35. polic 51·67-068-Unit2-36. popul 52·68-069-Unit2-37. prec 53·69-070-Unit2-38. puls