答案解析：答案为C。本题为推理题。由第二段 “It was about a research project to discover a gene lined with a condition known as specific language impairment.” 和第三段首句 “SLI covers speech and grammar problems suffered by children, the most familiar of which is dyslexia.”可以推断，C选项正确。
由第二段倒数第二句话 ““I wasn’t alone; I wasn’t mad.” 可知，选项A错误。由第三段 “About 8 percent of children are recognized as dyslexic.” 可知，B选项错误。D选项未提及。
4. On which column can we read the above passage in a newspaper? A. Education News. C. Business News.
B. Health News. D. Economy News.
答案解析：答案为B。本题为推理题。结合全文和最后一段研究SLI的专家描述 “If we can find a genetic link, it will provide the kind of hard evidence that this is a genuine
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problem, which is needed if we are to cure the disease,” 可推断，Jo Eddings的女儿的疾病属于基因问题，和健康有关，故答案为B。
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