皮皮学，免费搜题
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【判断题】
单位内部复制国家秘密载体应当履行审批手续,复制机密级以上国家秘密载体须经部门或者单位领导批准,加盖复制戳记,视同原件管理,并进行登记。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】---Why are you still here? It's so late. ---Because I my work. Don't worry. It's almost done.
A.
wasn't finishing
B.
wouldn't finish
C.
haven't finished
D.
won't finish
【单选题】Don't ______ today's work for tomorrow. Today's work must be done today. [ ]
A.
put up
B.
put out
C.
put off
D.
give up
【单选题】I wonder why you don’t do it as ______ and it’s the third time you have done so.
A.
told you
B.
be told
C.
told to
D.
you told
【简答题】在 RLC 串联正弦交流电路中,谐振频率 f 0 为 750kHz ,通频带为 10kHz ,则该电路的品质因数为( )
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