4 Dialect refers to geographic variation, while sociolect refers to variation in terms of social group. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
正确
B.
错误
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举一反三
【单选题】Press the white button on the armrest and lean ______________the seat at the same time.
【简答题】Summarize a situation where you took the initiative to get others going on an important task or issue, and played a leading role to achieve the results you wanted.