Having no language, infants cannot be told what they need to learn. Yet, the first years of life is believed to be the most favo

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问题     Having no language, infants cannot be told what they need to learn. Yet, the first years of life is believed to be the most favorable time of learning the mother tongue and moreover, by the age of three they will have mastered the basic【S1】______of their native language and will be well on their way to communicate.
  【S2】______their language is a most impressive【S3】______ability. Studies of how children learn language generally agree that the most【S4】______aspect of this ability is the rapid acquisition of grammar.
    Nevertheless, the ability of children to【S5】______to grammatical rules is only slightly more wonderful than their ability to learn【S6】______. It has been reckoned that the average high school【S7】______in the United States has a reading vocabulary of 80,000 words, which includes【S8】______expressions and proper names of people and places. This vocabulary must have been learned over a period of 16 years. From the figures, it can be【S9】______that the average child learns at a rate of about 13 new words per day. Clearly learning process of great【S10】______goes on at a rapid rate in children.

A) profession        E) conform              I) idiomatic               M) intellectual
B) acquiring         F) experiment           J) structure               N) admiration
C) complexity        G) satisfied            K) remarkable              O) transition
D) works             H) graduate             L) calculated
【S2】

选项

答案B

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