| 第3单元Care for the Earth | ||
| 1 | dirty | 肮脏的 /'dɜ:(r)ti/ |
| 2 | earth | 地球；世界 /ɜ:(r)θ/ |
| 3 | thing | 事情 /θɪŋ/ |
| 4 | also | 还；也 /'ɔ:lsəʊ/ |
| 5 | only | 只，仅仅 /'əʊnli/ |
| 6 | more | 更多的 /mɔ:(r)/ |
| 7 | drive | 司机 /draɪv/ |
| 8 | think | 想；想要 /θɪŋk/ |
| 9 | pick flowers | 摘花 |
| 10 | pick | 摘；采集 /pɪk/ |
| 11 | cut down | 砍倒 |
| 12 | something | pron.某事；某物 /'sʌmθɪŋ/ |
| 13 | care for | 照顾；非常喜欢 |
| 14 | waste | n.浪费；垃圾；v.浪费；滥用 /weɪst/ |
| 15 | have to | 不得不 |
| 16 | World Car Free Day | 世界无车日 |
| 17 | drive a car | 开车 |
| 18 | make the air dirty | 污染空气 |
