注意:此页面搜索的是所有试题
The problem of deciding at what point a baby’s imitations cabe considered as speech________.( )
· is important because words have different meanings for different people
· is not especially important because the changeover takes place gradually
· is one that should be properly understood because the meaning of words changes with age
· is one that should be completely ignored(忽略)because children’s use of words is oftemeaningless

参考答案