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Which vowel is different from the others according to the characteristics of vowels?
A.
B.[u]
C.[e]
D.[i]

A.B../images/onErrorImg.jpg'
C.[u]
C.[e]
D.[i]


【参考答案】

B
[u]为后元音,其他三项都是前元音,故B为正确。
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