题目内容

With a well-trained ______, interpreters are actually equipped with an effective tool for the encoding and decoding information.

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Interpretting consists of presenting in the target langauge, the exact meaning of what is uttered in the ______ either simultaneously or consecutively, preserving the tone of the speaker.

共发射极放大电路,输出电压与输入电压相位差等于(…)。

A. —180
B. 180
C. 一90
D. 0

共发射极放大电路,输出电压与输入电压相位差等于()。

A. 180
B. —180
C. 0
D. 90

RC高通电路中,截止频率处,增益下降了()dB。

A. 3
B. -3
C. 0.707
D. -0.707

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