Вопрос № 223124 - Английский язык

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The 1________________ is basically a three-section device composed of two outside sections and a middle section. The two outside 2______________ are doped so that they are either P- or N-tуре, and the middle section is doped opposite to the outside sections. Transistors are 3_________________ as NPN or PNP according to the doping of the sections or elements. When the two outside sections are N-type semiconductors and the middle section is a P-type, the transistor is an NPN-type. When the two 4_________________ sections are P-types and the middle is N-type, the transistor is a PNP-type.

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We are finally ready to apply the knowledge we gained in previous sections about electrons, vacuum 1_________________ and transistors to some practical matters. In the following sections we shall consider a variety of circuits employing electron tubes and transistors. 2_________________ are combinations of tubes or transistors with other components, such as resistors, capacitors and inductors, and form the 3________________ building blocks of electronic systems: radio, automatic computer and so on. To understand the systems, you must be familiar with the circuits that 4_______________ them up.

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Experts believe that some boys are spending so much time playing computer games and watching violent films that they are living in a fantasy world. When girls talk about using home computers, they often discuss different types of software that they use for learning. Boys simply talk about computer games. When 14-year-old girls were asked what they would like to do in the future, they mentioned realistic jobs such as vet, teacher or doctor. The boys' answers were either very vague such as, "I just want to be happy and have lots of money" or unrealistic and they said things such as, "I want to be a fighter pilot”.
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What is the topic of girls’ discussion about using home computers?

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A lot of knowledge is a dangerous thing for addicts of the Internet. Information is becoming the drug of the new century.
The research, conducted among 1000 managers in Britain, America, Europe and the Far East shows that, as information sources such as the Internet and cable news channels proliferate, we are witnessing the rise of a generation of dataholics.
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What are people who use the Internet a lot called?

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The quest for information can lead to stress. Almost two-thirds said their leisure time had been curtailed as a result of having to work late to cope with vast amounts of information; 70 percent reported loss of job satisfaction and tension with colleagues because of information overload.
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Why do you have to spend much leisure time to find the information you need?

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The study investigated the habits of the children of 300 managers and found 55 per cent of parents were concerned their children would become information junkies.
Forty-six per cent of parents believed their children spent more time on their PCs than interacting with friends. In one case a child had to be wheeled with his computer to the dinner table.
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Why were the parents so concerned?