【Joe Hsiang】評論

They also exaggerate their facial expressions, hold vowels longer, and emphasize "certain" words.所以A錯在"all"

【Landy Yeh】評論

支持不花兩次費用看解答One researcher observed babies and their mothers in six diverse cultures and found that, in all six languages, the mothers used simplified syntax, short utterances(B) and nonsense sounds(D), and transformed certain sounds into baby talk. Other investigators have noted that when mothers talk to babies who are only a few months old, they exaggerate the pitch, loudness (C), and intensity of their words. They also exaggerate their facial expressions, hold vowels longer, and emphasize certain word...