对于用直接复制方式备份数据库，如下叙述中正确的是______。
A、必须关闭MySQL服务器，才能进行复制C
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Itisdifficulttounderstandthiskindof_______calculation.
Idon’tthinkthechargeforoverhaulingtheequipmentisexcessivein_______toitssize.
ThetheoryoflanguageunderlyingtheGrammar-TranslationMethodwasderivedfrom_____Linguistics.
Thegeneralsentoutwordthatnooneinthebunker________tobeduntilfurtherorders.
_______inthought,healmostranintothecarinfrontofhim.
