Sound discrimination. Listen carefully and choose the word you hear.
A. catch
B. cash
C. case
D. crash
查看答案
English consonants can be classified into two types. One type is voiced consonant and the other is unvoiced.
A. 对
B. 错
In order to pronounce a consonant correctly, one should pay great attention to the mouth shape, tongue position and voicing of it.
A. 对
B. 错
Consonants can be classified into two types. One type is voiced consonant and the other is unvoiced.
A. 对
B. 错
The airstream is blocked completely for a time when making stop consonants, but the airstream is only partially blocked when making fricatives.
A. 对
B. 错