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词汇导练 1．Dust and dirt soon a____________ if a house is not cleaned regularly. 2．It would be u____________ that such an honest fellow should have betrayed his friends. 3．Despair is a s____________ of weakness. 4．He told a rather rude joke，and everyone looked e____________. 5．The teacher’s explanation c____________ the puzzling problem. 6．We have several questions ____________(关于)the report. 7．This button is for ____________(调整)the volume. 8．The equipment must be bought from a supplier ____________(认可)by the company. 9．His remarks show that he ____________(误解)my position on the question. 10．Please ____________(包，裹)the box in red paper. 11．A company cannot be sold without the____________(approve) of the shareholders. 12．She fulfilled her____________(ambitious)to become the first woman to run the 10,000 metres within 30 minutes. 短语汇集 1．________________ 庆祝 2．________________ 参加 3．________________ 总的来说 4．________________ 释放；散发，分发 | 
