单项选择题

Reading involves looking at graphic symbols and formulating mentally the sounds and ideas they represent. Concepts of reading have changed (67) over the centuries. During the 1950s and 1960s especially, increased attention has been devoted to (68) and describing the reading process. (69) specialists agree that reading (70) a complex organization of higher mental (71) , they disagree (72) the exact nature of the process. Some experts, who regard language primarily as a code using symbols to represent sounds, (73) reading as simply the decoding of symbols to the sounds they stand (74) .
These authorities (75) that meaning, being concerned with thinking, must be taught independently of the decoding process. Others maintain that reading is (76) related to thinking, and that a child who pronounces sounds without (77) their meaning is not truly reading. The reader, (78) to some, is not just a person with a theoretical ability to read but one who (79) reads.
Many adults, although they have the ability to read, have never read a book in its (80) . By some experts they would not be (81) as readers. Clearly, the philosophy, objectives, methods and materials of reading will depend on the definition one uses. By the most (82) and satisfactory definition, reading is the ability to (83) the sound- symbols’ code of the language, to interpret meaning for various (84) , at various rates, and at various levels of difficulty, and to do (85) widely and enthusiastically. (86) short, reading is the interpretation of ideas through the use of symbols representing sounds and ideas.