根据句意、首字母、或中英文提示完成单词。
1. 1st J_____ is New Year's Day.
2. The tigers' t_____ are very sharp.
3. They do morning _____ (早操) at 9.25 every day.
4. September 10th is T_____ Day.
5. It's _____ (not easy,hard) for me to finish it in an hour.
1. January 2. teeth 3. exercises 4. Teachers' 5. difficult
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根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。
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