【简答题】When the obstruction created by the speech organs is total or complete, the speech sound produced with the obstruction audibly released and the air passing out again is called a s________.
【单选题】中国颁布义务教育法,实行( )义务教育。China promulgated Compulsory Education Law, and the implementation of ( )compulsory education has risen to the will of the state.
【简答题】When the obstruction created by the speech organs is total or complete, the speech sound produced with the obstruction audibly released and the air passing out again is called a ____.