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本文为大家整理了职称英语综合类学习资料词汇选项练习，供大家参考，更多考试资讯请关注在线职称英语频道。 1.The old concerns lose importance and some of them vanish altogether. A. develop B. disappear C . linger D. renew 2. In the United States educational system, intermediate school is the transitional phase between the primary grades and high school. A. stage B. notion C . pattern D. alternative 3.Fluoride deters tooth decay by reducing the growth of bacteria that destroy tooth enamel. A. facilitates B. overwhelms C . inhibits D. loosens 4. The firm of Bonnin and Morris in Philadelphia was probably the first American company to manufacture porcelain. A. silverware B. crystal C .china D. linen 5.Gunpowder was used extensively in firearms prior to 1890. A. in B. around C . from D. before 6.We packed up the things I had accumulated over the last years and left for good. A. close B. near C . past D. final 7.The chemical is lethal to rats but safe to cattle. | 
