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【简答题】
如何培养服务意识?
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皮皮学刷刷变学霸
举一反三
【简答题】Mr. Smith said that he _____(visit) our school the next week.
【单选题】Mr. Smith said that he would be punctual for the appointment, he were late?
A.
how about出里这从小贝,贝香人富火一亩.01
B.
so what
C.
how about
D.
and what about
E.
but what if
【单选题】在高频谐振功率放大器中,若输入是单频余弦信号,则LC并联谐振回路输出的电压波形是( )
A.
同频余弦信号
B.
同频正弦信号
C.
周期性的尖顶余弦脉冲序列
D.
倍频正弦信号
【单选题】Mr. Smith said that he would be punctual for the appointment, ______ he were late?
A.
but what if
B.
how about
C.
and what about
D.
so what
【单选题】在高频谐振功率放大器中,若输入是单频余弦信号,则LC并联谐振回路输出的电压波形是( )。
A.
同频余弦信号
B.
倍频余弦信号
C.
同频正弦信号
D.
周期性的尖顶余弦脉冲序列
【单选题】Mr. Smith said that he would be punctual for the appointment, he were late?
A.
so what
B.
how about
C.
and what about
D.
but what if
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