The part "un" before the word "real" in the word "unreal" is called prefix（前缀）.
The part "un" before the word "real" in the word "unreal" is called prefix（前缀）.
A.正确
B.错误
正确答案：A
The part "un" before the word "real" in the word "unreal" is called prefix（前缀）.
A.正确
B.错误
正确答案：A
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