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【单选题】
在典型的OTL功放中负载扬声器为5欧姆,要使负载上到1.6W的功率,则电源电压应取( )
A.
16V
B.
8V
C.
6V
D.
4V
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A.
利息支出 (减利息收入)
B.
汇兑损益
C.
研发费用
D.
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A.
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B.
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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D.
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A.
素质教育
B.
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A.
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B.
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C.
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D.
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【单选题】She spoke so at the conference, as though the said issue was of little importance.
A.
seriously
B.
casually
C.
stubbornly
D.
comically
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