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軟題庫 培訓課程
試卷年份2014年下半年
試題題型【單選題】
試題內(nèi)容

The main types of social networking services are those that contain category places (such as former school year or classmates), means to connect with friends (usually with self-description pages), and a recommendation system linked to ().
A、net
B、interests
C、others
D、trust

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