However, sometimes a person who appears to be mean and threatening.A:正确 B:错误答案: 错误分析：However, sometimes a person who appears to be mean and threatening is really not so bad.

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However, sometimes a person who appears to be mean and threatening.A:正确 B:错误 答案: 错误 分析：However, sometimes a person who appears to be mean and threatening is really not so bad.