Unit 1 The Changing World
一、重点词汇
(一) 词形转换
1. training (动词) train“训练” 2. whole (同音词) hole 3. tidy (近义词) clean
4. develop (名词) development(形容词)developed“发达的”; developing“发展中的”
5. rapid (副词) rapidly 6. old (比较级) older; elder 7. recent (副词) recently
8. narrow (反义词) wide 9. title (近义词) subject
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