| Lesson 3 How many pupils are there? | ||
| 1 | blackboard | 黑板 /'blækbɔ:(r)d/ |
| 2 | forty | 四十 /'fɔ:(r)ti/ |
| 3 | should | （常用于纠正别人）应该，应当 /ʃʊd; ʃəd/ |
| 4 | dirty | 肮脏的 /'dɜ:(r)ti/ |
| 5 | paper | 纸 /'peɪpə(r)/ |
| 6 | pupil | 学生；（尤指）小学生 /'pju:pl/ |
| 7 | pick | 摘；采集 /pɪk/ |
| 8 | useful | adj.有用的；有益的 /'ju:sfl/ |
| 9 | drop | v.落下；掉下 /drɒp/, /drɑ:p/ |
| 10 | throw | v.扔；掷 /θrəʊ/ |
| 11 | pick up | 接电话 |
| 12 | throw away | 扔掉；抛弃 |
