试题题干
Fill in each of the following blanks with a word or an expression.
When the vocal cords are nearly touching each other but not completely closed ,the air-stream passing through the glottis has to cause vibration .The sounds made in this way are called 
consonants.
参考答案
试题解析
When the vocal cords are nearly touching each other but not completely closed ,the air-stream passing through the glottis has to cause vibration .The sounds made in this way are called voiced consonants. 当声带几乎要合但是没有完全合闭，从声门所通过的气流一定会发生振动，以这种方式所形成的音被称为浊辅音。