Read this excerpt from "Talking Robots."Sejnowski rejected the usual top-down approach to reproducing human speech. He threw out the fat dictionaries of pronunciation and programs brimming with the rules of phonetics and the tedious list of exceptions to all the previous rules, which had no rhyme or reason. Instead, he replaced all this with a surprisingly simple neural circuit. What is the author’s purpose for including this statement?
Answer
A
to prove Sejnowski’s credentials
B
to clarify how linguists teach speech
C
to criticize robots with neural circuits
D
to praise Sejnowski’s innovation
Explanation
The passage contrasts complicated dictionaries and phonetics rules with Sejnowski’s surprisingly simple neural circuit. This emphasizes how original and effective his approach was. The author includes the statement to praise Sejnowski’s innovation, not to explain how linguists teach speech or criticize neural circuits.
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