【正确答案】From the dialogue 1)and dialogue 2), we can notice some features of child language at the age of about 2.
Lexically, the child misuses me and I. He can use some words (although incorrectly) to name a number of objects, such as "piano" in dialogue 1). And he always repeats the word "why" for several times. Some prepositions are often neglected. such as "look her toe".
Syntactically, the child can produce a number of utterances by using simple words, such as" me want to read that".
Semantically, he can convey some but incomplete message because of his small vocabulary. For example, the repetition of "why" makes the mother confused.
Pragmatically, he can express some. feeling directly, and carry out his communication to some extent. For example, "read that. wrong side. " indicates that he wants his mother to read it and he knows the picture upside down.
As for the child aged 3 years and 11 months. lexically, he can use me and I correctly but still a small vocabulary, and he can use correct inflectional form; syntactically, he can use correct sentence pattern hnd produce relatively longer sentences; semantically, he can express his feeling relatively clearly; pragmatically, he can understand some pragmatic meaning, neither imitating the adult's speech nor accepting the adult's correction.
【答案解析】[解析] 本题考查儿童语言的特点。