题目内容

Sound discrimination. Listen carefully and choose the word you hear.

A. catch
B. cash
C. case
D. crash

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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

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