For many people today, reading is no longer relaxation To (31) their work they must read letters, reports, newspapers... In getting a job or advancing in one, the ability to read and comprehend (32) can mean the (33) between success and failure. Yet the unfortunate fact is that most of us are poor readers. Most of us (34) poor reading habits at an early age, and never get (35) them. The main (36) lies in the actual stuff of language itself—words. (37) individually, words have little meaning (38) they are strung together into phrased, sentences and paragraphs. (39) , however, the untrained reader does not read groups of words. He laboriously reads one word (40) often regressing to read words or passages. Regression, the (41) to look back over (42) you have just read, is a common bad habit in reading. Another habit which (43) down the speed of reading is vocalization—sounding each word either orally or mentally (44) one reads. To (45) these bad habits, some reading clinics use a device (46) an accelerator, which moves a bar down the page at a predetermined speed. The bar is set at a slightly faster rate than the reader finds (47) , in order to "stretch" him. The accelerator forces the reader to read fast, making word-by-word reading, regression and subvocalization, (48) impossible. At first (46) is sacrificed for speed. (50) when you learn to read ideas and concepts, you will not only read faster, but your comprehension will improve.

A. what
B. /
C. where
D. which