For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, inter-office communications, not to mention newspapers and magazines: a never-ending flood of words. In （ 1 ） a job or advancing in one, the ability to read and comprehend quickly can mean the difference between success and failure. Yet the unfortunate fact is that most of us are （ 2 ） readers. Most of us develop poor reading habits at an early age, and never get over them. The main deficiency (3) in the actual stuff of language itself words.Taken individually, words have little meaning until they are strung（连成）together into phrased, sentences and paragraphs. （ 4 ） , however, the untrained reader does not read groups of words. He laboriously reads one word at a time, often regressing（倒退）to reread words or passages. Regression, the tendency to look back over what you have just read, is a common bad habit in reading. Another habit which （ 5 ） down the speed of reading is vocalization - sounding(用言语表达) each word either orally or mentally as one reads.
3. ____

A.getting

B.lies

C.poor

D.slows

E. Unfortunately