Research Article
Readability Evaluation of Books in Chinese as a Foreign Language Using the Machine Learning Algorithm
Table 1
Multi-level word list in the HSK vocabulary level standard.
| Serial number | Word | Grade | Serial number | Word | Grade |
| 1 | 能 | AC | 12 | 中 | AC | 2 | 看 | AC | 13 | 土 | BC | 3 | 好 | ABC | 14 | 喂 | AB | 4 | 当 | ABC | 15 | 应 | BC | 5 | 头 | AB | 16 | 活 | AC | 6 | 死 | AC | 17 | 信 | AB | 7 | 正 | AB | 18 | 张 | AC | 8 | 重 | ACD | 19 | 镇 | CD | 9 | 白 | AB | 20 | 节 | AC | 10 | 空 | BC | 21 | 支 | AC | 11 | 晃 | CD | 22 | 假 | BC |
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