Вопрос № 346965 - Английский язык

Употребите нужный модальный глагол
He _______ help them. They can’t do it themselves.

Употребите нужный модальный глагол
_______ I use your pen, please?

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There is a small banking office in the entrance hall. You can cash traveller`s checks and change currency there. If you need to leave your suitcases for a while you can use the left-luggage office. The hotel porters will help you to carry your luggage.

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The protective layer of the Earth, the ozone layer, which protects the Earth from the sun’s destructive UV (ultraviolet) rays, is being damaged by CFCs (chlorofluorocarbons). They are released by the daily use of industrial and household products: refrigerators, air conditioners, foam insulation, cleaning chemicals, food packaging. In the ozone layer they attack the ozone molecules making a “hole”. This “hole” allows more UV rays to penetrate to the Earth. It increases the risk of skin cancer, weakens the immune system of people. Besides, UV rays influence the oceans, the growth of plankton, an essential part of the marine-life food chain in the negative way, reduce economically important crops. The life cycle is going to be undermined by the ozone.

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Greenhouse effect is the term for the role the atmosphere in warming the earth's surface. The atmosphere is largely transparent to incoming short-wave solar radiation, which heats the earth's surface. Much of this radiation is reflected back by gases such as carbon dioxide, methane, nitrous oxide and ozone in the atmosphere. This heating effect is at the root of the theories concerning global warming.

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The amount of carbon dioxide in the atmosphere has been increasing by 0.4 per cent a year because of the use of fossil fuels such as oil, gas, and coal. The cutting of tropical forests has also been a contributing factor in the carbon cycle. Other gases that contribute to the greenhouse effect, such as methane and halocarbons, are increasing even faster. The net effect of these increases could be a worldwide rise in temperature, estimated at 2° to 6° С (4° to 11 0 F) over the next 100 years. Warming of this magnitude would alter climates throughout the world, affect crop production, and cause sea levels to rise significantly. If this happened, millions of people would be badly affected by flooding.