题目内容

8259A在初始化时,如果不需要,不用写入操作命令字(OCW).

A. 对
B. 错

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Listen carefully and choose the consonant you hear.

A. / v/
B. /w/
C. /r/
D. /j/

Listen carefully and choose the word you hear.

A. ear
B. year
C. wear
D. dear

Find out the letter or letter group that can be pronounced as /w/ in English.

A. w
B. wh
C. o
D. u

Sound discrimination. The two phrases you hear are the same.

A. 对
B. 错