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[主观题]

It is not only in affluent societies that people are obsessed with the idea of making more money. Co

nsumer goods are desirable everywhere and modern industry deliberately sets out to create new markets. Gone are the days when industrial goods were made to last forever. The wheels of industry must be kept turning. “Built-in obsolescence” provide the means: goods are made to be discarded. Cars get thinner and thinner. You no sooner acquire this year's model than you are thinking about its replacement.

This materialistic outlook has seriously influenced education. Fewer and fewer young people these days acquire knowledge only for its own sake. Every course of studies must lead somewhere: i.e. to a bigger wage pocket. The demand for skilled personnel far exceeds the supply and big companies compete with each other to recruit students before they have completed their studies. Tempting salaries and “fringe benefits” are offered to them. Recruiting tactics of this kind of have led to the “brain drain”, the process by which highly skilled people offer their services to the higher bidder. The wealthier nations deprive their poorer neighbors of their most able citizens. While Mammon is worshipped as never before, the rich get richer and the poor, poorer.

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更多“It is not only in affluent societies that people are obsessed with the idea of making more money. Co”相关的问题

第1题

负反馈放大电路产生自激振荡的条件是()。

A.AF=0

B.AF=1

C.AF=∞

D.AF=-1

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第2题

欲使振荡电路能自行建立振荡,必须满足()的条件。

A.|AF|1

B.|AF|=1

C.|AF|1

D.|AF|≤1

点击查看答案

第3题

产生正弦波振荡的条件是()

A.AF>1, φa+φf=2nπ

B.AF1 φa+φf=2nπ

C.AF=1 φa+φf=2nπ

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第4题

执行DEC指令除对于SF、ZF有影响外,还要影响的标志位是()。

A.OF,PF,CF

B.OF,AF,PF

C.OF,AF,CF

D.AF,PF,CF

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第5题

振荡电路的平衡条件是()反馈才能满足振荡电路的相位平衡条件A、AF=1B、正C、负 D. AF=2

振荡电路的平衡条件是()反馈才能满足振荡电路的相位平衡条件

A、AF=1

B、正

C、负 D. AF=2

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第6题

集成电压跟随器的条件是()。

A.AF=1

B.AF=-1

C.RF=0

D.RF=∞

E.RF=R

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第7题

只要电路满足相位平衡条件,且|AF|>1,就一定能产生自激振荡。()
只要电路满足相位平衡条件,且|AF|>1,就一定能产生自激振荡。()

A.错误

B.正确

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第8题

比较两个无符号数大小时,通常是根据标志()的状态。

A.SF

B.OF

C.CF

D.AF

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第9题

设f'(a)=b,求:

设f'(a)=b,求:当x趋近于a时[xf(a)-af(x)]/(x-a)的极限

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第10题

试选择系数A1,A2和节点χ1,χ2,建立Gauss型求积公式I=∫0+∞e-χf(χ)dχ≈A1f(χ1)+Af(χ2)

试选择系数A1,A2和节点χ1,χ2,建立Gauss型求积公式I=∫0+∞e-χf(χ)dχ≈A1f(χ1)+Af(χ2)

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第11题

用待定系数法,将下列积分中被积函数的分子设为Af(x)+Bfˊ(x),利用的求法求下列不定积分:

用待定系数法,将下列积分中被积函数的分子设为Af(x)+Bfˊ(x),利用

的求法求下列不定积分:

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