题目内容

下图所示电路中,对负载电阻RL而言,点划线框中的电路是否可用一个等效电源代替?若可以,该等效电源是()

A. 可以,该等效电源是理想电压源
B. 可以,该等效电源是理想电流源
C. 不可以等效
D. 不能确定

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汇总转账凭证,习惯上都是按每一贷方记账户分别设置,并按对应的借方帐户定期归类汇总,分别登记该总分类帐户的贷方和各对应帐户的借方()。

A. 正确
B. 错误

发放股票股利会引起每股利润下降,每股市价也有可能下跌,因而每位股东所持股票的市场价值总额也将下降。()

A. 正确
B. 错误

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A. 正确
B. 错误

What does the passage imply about Ella Fitzgerald and Louis Armstrong?

A. They were the originators of "scat singing".
B. They played the same musical instrument.
C. They performed well together.
D. They were a married couple.

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