单选题 Reading involves looking at graphic symbols and formulating mentally the sounds and ideas they represent. Concepts of reading have changed (51) over the centuries. During the 1950's and 1960's especially, increased attention has been devoted to defining and describing the reading process. (52) specialists agree that reading (53) a complex organization of higher mental (54) , they disagree (55) the exact nature of the process. Some expels, who regard language primarily as a code using symbols to represent sounds, view reading as simply the decoding of symbols into the sounds they stand (56) .
These authorities (57) that meaning, being concerned with thinking, must be taught independently of the decoding process. Others maintain that reading is (58) related to thinking, and that a child who pronounces sounds without (59) their meaning is not truly reading. The reader, according to some, is not just a person with a theoretical ability to read but one who (60) reads.
Many adults, although they have the ability to read, have never read a book in its (61) . By some expert they would not be classified as readers. Clearly, the philosophy, objectives, methods and materials of reading will depend on the definition one use. By the most (62) and satisfactory definition, reading is the ability to (63) the sound -symbols code of the language, to interpret meaning for various (64) , at various rates, and at various levels of difficulty, and to do so widely and enthusiastically. (65) reading is the interpretation of ideas through the use of symbols representing sounds and ideas.