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【单选题】
关于高频谐振功率放大器和高频谐振小信号放大器的异同点,下列表述错误的是:( )A.
高频谐振功放管动态范围小,高频谐振小信号放大管动态范围大
B.
激励信号幅度大小不同
C.
负载均为LC谐振回路
D.
高频谐振功率放大器属于非线性电路,高频谐振小信号放大器属于线性电路
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举一反三
【简答题】Today we learned database, but we still don't understand the concept.
【简答题】What are the three elements of marketing mix we learned today? The three elements of marketing mix we learned today are ___________, ___________ and ____________.
【简答题】What is the main idea of the text we learned today?
【简答题】商业银行的经营原则是（ ）。
【简答题】What speech figures have we learned today? __________, __________.
【单选题】What have we learned today?
A.
We have learned about how to greet people in different cultures
B.
We have learned about how to shop for things.
C.
We have learned about how to introduce favorite food.
D.
We have learned about how to introduce festival.
【单选题】How many speculations on the origin of language we learned in today's class?
A.
1
B.
2
C.
3
D.
4
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