MishaBor

27.02.2020 15:31

Английский язык

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решить Задание 1. Прочтите, перепишите предложения, переведите на русский язык.
1. To repeat the words is very useful.
2. To understand this phenomenon well one must know the structure of the material.
3. The scientist wanted to find new products of this substance.
4. The apparatus to be used in our work was constructed in our laboratory.
5. In order to liquity a gas at a temperature below its critical temperature, it is practically necessary only to compress the gas.

Задание 2. Прочтите, перепишите и переведите предложения, обращая внимание на обороты с инфинитивом.
1. After a number of experiments they dissolved the substance.
2. He is known to work in the field of nuclear physics.
3. For the student to solve this problem was very easy.
4. The new method appeared to be very complex.
5. It is necessary for the reaction to be accelerated.

Задание 3. Прочитайте, перепишите и переведите предложения содержащие союзы "if " "unless" на русский язык. If air is cooled sufficiently, it can be converted into a liquid.
1. Gases are characterized by extreme lightness unless they are highly compressed.

Задание 4. Прочтите и переведите письменно на русский язык следующий текст.
The greenhouse effect
Much is written about the tendency of the earth's temperature to rise and the "greenhouse effect" that would begin to alter the earth's climate by the end of the 1990s.
In faсt, the science of the phenomenon is more interesting than frightening. "The greenhouse effect results when CO2 and certain other gases in the atmosphere allow the sun's ultraviolet rays to penetrate and warm the earth but then absorb the infrared energy the earth radiates back into space – much as glass in a greenhouse effect does – forming a kind of "thermal blanket" around the planet. Burning huge amounts of fossil fields, which release CO2 into the atmosphere, man has raised the CO2 level from 280 to 340 parts per million since 1860. And continued use of coal and other fossil fuels is expected to double the concentration of the CO2 by the year 2050, elevating, the earth's temperature by 3 to 9 degrees Fahrenheit. The greenhouse effect will mean much more than hotter summers and milder winters. It may alter rainfall, affect crop yields and eventually, as glaciers begin to melt raise the level of the sea.
The temperature change is reported to be greater in the polar regions than near the equator. In general, it is said that snowfall will begin later, the growing season will lengthen and higher latitudes will get less rain.
If we can't prevent the greenhouse effect, we can prepare for it. Suggestions include breeding plants that need lees water, improving irrigation systems and many others.
However, not all experts are convinced that the heat is coming. Some think that the use of primary energy sources such as coal could decline 60 per cent by 2050 and, perhaps, if the rate of fossil – fuel use is going down, the amount of CO2 is getting less every year.

Задание 5. Переведите вопросы на русский язык и ответьте на них.
1. What is the "greenhouse effect"?
2. What happens in polar regions?
3. What is the role of fossil-fuels in the "greenhouse effect"?

Задание 6. Переведите предложения на английский язык, используя текст.
1. Давайте изучим явление, которое называется "парниковым эффектом".
2. Мы должны быть готовы к тому, что температура Земли может измениться
3. Говорят, что "парниковый эффект" может изменить климат Земли.