题目

In just a decade, the company has been ________ from a family business to a large operation. A. transformed            B. transmitted              C. transferred          D. transported 答案：A　　下列物质中，能除去铁制品表面铁锈的是(　) 　　A．氢氧化钠溶液 　　B．稀硫酸 　　C．食盐水 　　D．碳酸钠溶液