Today the word "electronics" is the general usage.
T<span>he center of this world is a tiny silicon plate of a few square millimeters, an integrated circuit, or a chip, as it is more commonly known. The integrated circuit is undoubtedly one of the most sophisticated inventions of man, science and technology. </span><span>As the operation os an integrated circuit depends on microscopic "components", the purity of all materials and the cleanness at the plant they are produced at must be of the highest quality. </span>
<span>In the past it took scientists and reserchers a whole lifetime to make a few thousand calculations, whereas for a modern computer this task is a matter of a few seconds. At present computers capable of performing billions of operations a second are required. </span>In the next few years engineers will complete the work on computers of above 2 billion operations a second. It will take a few more years to produce a 10-billion operationscomputer. <span>According to some researchers, we are close to what can be regarded as a true physical limit. But other specialists think that photons will make the operation a thousand times faster. This means that in the future it will be possible to expect the appearance of photon computers and that computations will be done by means of light. In a few decades a new age of light may replace the stil youthful electronic age. The race is going on.</span>
Голубой цветок на столе.
Желтый цветок на стуле.
Зеленый цветок под столом.
Розовый цветок в шапке.
1 my sister has been ill for three days
2 Jimmy has had a beard for eight months.
3 my family and I have lived in Prague for seven years
4 Richard and Rose have been married for ten years
5 The weather has been fine since last Friday.
6 my brother has played lawn tennis since his childhood
7 there has been a strike of the airport staff in the US since Tuesday
8 this driver hasn't had an accident since he was 23
9 mr Downing has worked for our company since he graduated from university
10. Malcolm has run the company since 1995
<span>How I would like to spend my <span>summer
</span></span> I’m going to enjoy my summer holidays and have much fun.
I can’t wait for summer because I will travel to the seaside.
I would like to spend July on the Black Sea coast in Crimea with my friends. It is a large demi-island in <span>the Black Sea with a wonderful
climate. </span>We shall stay in a rented house for 2 months.
We shall sunbathe and swim. I like to swim and dive .
We will travel along the mountain paths
and <span>see the sights.
</span>
<span>
Anyway, it will be a memorable summer.</span>
<span><span>always-всегда</span>
<span>often-часто</span><span>
usually-обычно</span>
<span>sometimes-иногда</span>
<span>regularly-постоянно</span>
<span>seldom-изредка</span>
<span>from time to time-время от времени</span>
<span>rarely-редко</span><span>
never-никогда</span><span>
every day-каждый день</span><span>
every week-каждую неделю</span>
<span>every month-каждый месяц</span>
<span>every year-каждый год(Present Simple)
</span></span>
<span><span>now
-сейчас
</span><span>
at the moment-
в данный момент
</span><span>
nowadays-
в наше время
</span><span>
this week
-на этой неделе
</span><span>
these days
-в эти дни
</span><span>this month
-в этом месяце
</span><span>
this year-
в этом году
</span><span>
currently
-в настоящее время.(Present Continuous).
</span></span>