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中国残疾人抽样调查表明,我国共有600余万聋哑儿童,其中7岁以下约80万。而我国听力语言残疾的人数竟高达1770万之多,占各种残疾之首,其中有些人的听力残疾是由于儿童时期用药造成的。孩子为什么会聋?原因是多方面的。有先天的,有后天的。有由于遗传、感染、疾病、环境噪声污染
A sample survey of people with disabilities in China shows that there are more than 6 million deaf and dumb children in our country, of which about 800,000 are under 7 years of age. However, the number of hearing-speech disabilities in our country is as high as 17.7 million, accounting for the highest among all kinds of disabilities. Some of them have hearing disabilities due to medication during childhood. Why children are deaf? The reasons are many. There are innate, acquired There are genetic, infection, disease, environmental noise pollution