题目内容

The sounds of /t/ and /d/ are formed by tongue and upper gum ridge.

A. 对
B. 错

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Sound discrimination. Listen carefully and choose the consonant youhear.

A. /s/
B. /θ/
C. /ʃ/
D. /z/

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

A. /g/
B. /j/
C. /h/
D. /m/

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

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

English consonants can be classified into two types. One type is voiced consonant and the other is unvoiced.

A. 对
B. 错