不定项选择

图G的邻接矩阵为，则图G为偶图。‌

A．正确
B．错误

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Match opposites. Draw lines to match the words on the left with their opposites.1. quiet 2. modern 3. empty 4. trendy 5. best ancient uncool worst lively crowded

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It is recommended that the project ______ until all the preparations have been made. A. not be started B. will not be started C. is not started D. is not to be started

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