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Directions: Fill in the blank in each of the following statements with one word, the first letter of which is already given as a clue. Note that you are to fill in ONE word only, and you are not allowed to change the letter given.

​Physiologically, vowels tend to be n before nasal consonants because it is difficult to time the lowering of the velum to produce nasality with the consonant articulation.

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试题解析

从生理的角度来讲,位于鼻辅音前面的元音有鼻音化的倾向,因为在发这个辅音的时候很难把握发鼻音时把软腭放低的时机。