声音简介
Critical age.
Decline of babies' language learning ability occurs at the age of__(1)__
Lab work.
Research focus.:
·How babies learn __(2)__in the first critical period.
Research aims:
·Developing a model for babies in their critical periods of
——Language acquisition.
——Social，emotional and __（3）development。
Research process:
·Babies need to listen.
·They are trained to turn their heads when__(4)
·A panda bear pounds a drum if babies are correct.
Participants:
·__（5）__babies.
Results:
·Babies can__(6)__ of all languages.
·Babies become language-bound before__（7）__
——Sound reaction between American and Japanese babies.
——6 to 8 month old:_（8）_
——two months later:_(9)_
·Two events during the critical two months.
——_(10)_when listening to a language
——change of babies'brain when distributions grow
Conclusion
Language learning Mei slowdown when sound distributions become stable.
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Before_Li
2018年的题目
sun天杨
网上找的原文……
听友199393515
没有材料么