составить вопрос к тексту There are over 150 super cities in the world with population from one to 15 million and more. Tokyo, New York, London, Mexico City, Rio de Janeiro and Moscow are just a few of the cities which have become super cities.
People in the super cities suffer from polluted environment: bad water, bad air and noise. A new term, urban climate, is used now for such cities. It means high temperature, oppressive atmosphere and intensive smog. Smog can make people feel ill and have difficulty in breathing. In Mexico City just breathing the air is life threatening. It is equivalent to smoking two packs of cigarettes a day. The same situation is in 600 cities of the former Soviet Union.
Air is polluted by the release of harmful substances, smoke from chimneys and exhaust fumes from cars. The problem is especially bad in some cities where there is no much wind and a brown layer of smog hangs in the air.
Some experts consider that it is practically impossible to protect the big cities from pollution. The World Health Organization (WHO) was studying air pollution around the world for over eight years. It measured two things: the level of sulphur dioxide (S02) in the air and the level of smoke. Sulphur dioxide and smoke pollute water and have serious effect on forest, buildings and health of people.
In the WHO report it is shown that the cities with the most considerable level of S02 in the air are Milan, Teheran, Prague, Santiago and Sao Paulo. However, the atmosphere in some cities with clean air gets worse in winter. Helsinki, for example, becomes one of the cities with the largest proportion of S02 in the air in winter. This must be connected with the heating of houses. One can also mention Glasgow and Warsaw which suffer in the same way.
The present continuous tense
Форма: глагол to be в личной форме (am, is, are) и причастие настоящего времени от смыслового глагола.
Использование:
1. Действие в данный момент времени. Кроме глаголов не действия: чувств - like, love, prefer, hate; восприятий - feel, understand, agree, know, seem, sound, taste; состояния души - want, wish, need, состояния вещей - belong, contain, include, possess, owe, own.
2. Действие в текущем отрезке времени. He is learning French this year.
3. Будущие запланированные действия. I am buying a computer tomorrow.
4. При уверенности, что действие должно произойти в будущем. The ship is sailing at 5 o’clock tomorrow.
5. Процесс в придаточных предложениях. If I am sleeping when he comes, wake me up.
6. Критически воспринимаемые постоянные действия. He is always getting into trouble.
7. Выражение be going to.
a) Собираться, намереваться. I am going to buy a new car.
b) Похоже, что. It is going to rain.
c) Может произойти. You are going to be fined.
d) Предстоит. He is going to receive a Nobel prize.
2 Last year I was in Paris.
3 Last week he was in London, but his friends were in Cardiff.
4 Your cake was delicious!
5 There were no apples in the fridge, there was apple juice only.
6 They were sad, because their mother was ill.
7 Two years ago Tom and Meg were students.
8 You were in the library yesterday. I was there too.
9 When my grandfather was young, he was a pilot.
10 I wasn't at the cinema yesterday
11 He wasn't a rich man.
12 Last lesson the pupils weren't ready.
13 Mary was at school yesterday.