完形
【解析】该句意为：发行量的大小，很大程度上取决于发行部门的工作及报纸所提供的服务功能和娱乐功能。
19.【答案】B
【解析】offered作services和entertainment的定语。
20.【答案】D
【解析】information后面接介词about，表示“关于”。
第四篇
For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a read and comprehend can mean the difference between success and words have until they are strung together into phrased, groups of words. He laboriously reads one word at a time, often regressing down the speed of reading is vocalization—sounding each word either