题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 A 90-year-old has been awarded“Woman Of The Year”for   61   （be）Britain's oldest full-time employee-still working 40 hours a week. Now Irene Astbury works from 9am to 5pm daily at the pet shop in Macclesfield，   62   she opened with her late husband Les. Her years of hard work have   63  （final）been acknowledged after a customer nominated（提名）her to be Cheshire's Woman Of The Year. Picking up her“Lifetime Achievement”award，proud Irene   64  （declare）高铁酸钠（Na2FeO4）是一种绿色环保型的净水剂，其中铁元素的化合价为（　　） A、+2B、+3C、+4D、+6