A PLANET IN TROUBLE There more problems facing the environment today that at any time in the past. World 0) stands at агound 6. billion and by the end of the 21st century it may reаch 8 or 10 million. To satisfy the needs of these people, we are destroying 1) and other natural places so that we can grow food and put up buildings. This creates 2) of the land, seas and air, which can be very bad for the health of humans and 3) for birds and animals. Most scientists now agree that it has also caused 4) and this means that the temperature of the Earth is rising. The ice at the North Pole could melt, taising sea levels and eausing serious5) and 7) Generally, the Earth's weather will be worse and there will be more 6) .rain However, there are things we can do. Scientists are working to come up with ways of making power that do not cause so much pollution. People at home can recycle their 8) paper and try to use less 9) by turning off lights, TVs and stereos when they are using them. We could all use our cars less and walk or use 10) more.

1. To get a constant current, you must have its source. 2. A pyrometer is used to measure the temperature of hot metals. 3. Man learned to dissolve atoms in order to receive a large amount of energy. 4. Scientists are trying to solve the problem associated with new phenomena of electricity. 5. Lightning rod-metal device for protecting buildings from lightning. 6. Carrying out experiments with atmospheric electricity was very dangerous at that time. 7. To magnetize an object is to place it in a magnet field.

Подробнее об артикле The в английском языке

В отличие от неопределенного, определенный артикль может ставится перед любыми существительными в любом числе. Но когда?

1. Перед предметами, единственными в своем роде.

The president visited the veterans. – Президент навестил ветеранов. (Ведь у каждой страны только один президент).The Earth moves around the Sun. – Земля движется вокруг солнца.

2. Перед предметами из ограниченной группы.

The wheel of the car was missing. – Колеса у машины не было. (Одного из 4-х колес машины не было).

3. Перед предметами, к которым имеется определение.

The boy that has stolen a purse, was caught. – Мальчика, укравшего сумочку, поймали.The leader of this movement was born in Germany. – Лидер этого движения родился в Германии. (Какой лидер? – этого движения).