试题题干
Fill in each of the following blanks with a word or an expression.
The 
of the soft palate causes the production of oral consonants while the lowering of the soft palate brings about the production of nasal consonants.
参考答案
试题解析
The raising of the soft palate causes the production of oral consonants while the lowering of the soft palate brings about the production of nasal consonants. 软腭的上提会导致口腔辅音的形成，而软腭的下降会导致鼻腔辅音的形成。