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  3. Is language, like food, a basic human need without which a child at a critical period of life can be starved and damaged? Judgin

Is language, like food, a basic human need without which a child at a critical period of life can be starved and damaged? Judgin

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问题    Is language, like food, a basic human need without which a child at a critical period of life can be starved and damaged? Judging from the drastic experiment of Frederick I in the thirteenth century, it may be. Hoping to discover what language a child would speak if he heard no mother tongue, he told the nurses to keep silent.
   All the infants died before tile first year. But clearly there; was mote than lack of language here. What was missing was good mothering. Without good mothering, in the first year of life especially, the capacity to survive is seriously affected.
   Today no such severe lack exists as that ordered by Frederick. Nevertheless, some children are still backward in speaking. Most often the reason for this is that the mother is insensitive to tile sisals of the infant, whose brain is programmed to learn language rapidly. If these sensitive periods are neglected, the ideal time for acquiring skills passes and they night never be learned se easily again. A bird learns to sing and to fly at the right time, but the process is slow and hard once the critical stage has passed.
   Experts suggest that speech stages are reached in a fixed sequence and at a constant age, but there are cases where speech has started late in a child who eventually turns out to be of high IQ. At twelve weeks a baby smiles anti makes vow- el-like sounds; at twelve months he can speak simple words and understand simple commands; at eighteen months he has a vocabulary of three to five words. At three he knows about 1,000 words which he can put into sentences, and at four his language differs from that of his parents in style rather than grammar.
   Recent evidence suggests that an infant is born with the capacity to speak. What is special about man’s brain, com- pared with that of the monkey, is the complex system which enables a child to connect the sight and feel of, say, a toy-bear with the sound pattern "toy bear". And even more incredible is the young brain’s ability to pick out an order in language from the mixture of sound around him, to analyse, to combine and recombine the parts of a language in new ways.
   But speech has to be induced, and this depends on interaction between the mother and fine child, where the mother recognises the signals in the child’s babbling(咿哑学语), grasping and smiling, and responds to them. Insensitivity of the mother to these signals dulls the interaction because the child gets discouraged and scuds out only the obvious signals. Sensitivity to the child’s non-verbal signals is essential to the growth and development of language.
The purpose of Frederick I’s experiment was _______.
选项 A、to prove that children are born with the ability to speak
B、to discover what language a child would speak without hearing any human speech
C、to find out what role careful nursing would play in teaching a child to speak
D、to prove that a child could be damaged without learning a language
答案B
解析 该题问：Frederick I实验的目的是什么?参考第一段最后一句Hoping to discover what．．．to keep silent说明了 Frederick实验的目的，与备选答案B意思相同，故B为正确答案。A、C显然不恰当。D是整篇文章的主题，非实验的具体目的。
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