题目内容

It’s been _____thatby the age of 8, the average American will have seen 600,000 ads; by the age of40, the total is almost one million.

A. planned
B. calculated
C. seen
D. foreseen

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Eachadvertisement is doing its utmost to influence our _____buying decisions, fromthe breakfast cereal we eat to whichcruise line we will use for our vacation.

A. diverse
B. . different
C. contradict
D. changing

Anadditional option is finding a partner to help you _____ on track and findpleasure in the administration of your own financial affairs.

A. keep
B. remain
C. stay
D. hold

已知交流负反馈有四种组态,欲得到电流-电压转换电路,应在放大电路中引入()。

A. 电压串联负反馈
B. 电压并联负反馈
C. 电流串联负反馈
D. 电流并联负反馈

欲减小电路从信号源索取的电流,增大带负载能力,应在放大电路中引入的反馈组态是()。

A. 电压串联负反馈
B. 电压并联负反馈
C. 电流串联负反馈
D. 电流并联负反馈

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