《When was it invented?》PPT课件7
《When was it invented?》PPT课件7第2页

Ⅰ. 单词填写 1. 几乎; 差不多(adv. )    __________________ 2. 统治者; 支配者(n. ) __________________ 3. 煮沸; 烧开(v. ) __________________ 4. 保持不变; 剩余(v. ) __________________ 5. 气味(n. ) __________________ 答案: 1. nearly 2. ruler 3. boil 4. remain 5. smell

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