第4题: [单项选择]Westinghouse is close to completing its transformation into ______ with the sale of its powergeneration business to Siemens of Germany for $1.53 billion. A. a media company B. the company’s media C. the company media D. mass media’s company 参考答案:A 答案解析:[解析] 冠词用法辨析 西屋将发电部门卖给了德国西门子,即将完成向传媒公司的转变。不定冠词表示泛指,定冠词表示特指。本题中为泛指,明白这一点即可解题。