1. The environment is a very important thing … humans.
a) to b) for c) in d) of
2. Environmental problems will get worse and worse until we … pollution.
a) stop b) stopped c) will stop d) has stopped
3. By the time we … how to recycle, it might be to late.
a) learn b) will learn c) have learned d) learned
4. Our river will be polluted until we … do something for cleaning it.
a) start b) will start c) have started d) started
5. Serious pollution … chemicals and waste made by factories.
a) cause b) is caused by c) affect d) is affected by
6. Ninety-three per cent of Jamaica’s coral reefs … .
a) destroy b) have destroyed c) have been destroyed d) destroyed
7. Polluted air and water … people’s health.
a) threat b) reduce c) litter d) damage
8. I suggest starting a programme to stop industries from using poisonous … .
a) chemicals b) litter c) garbage d) rubbish
9. Some gases that … air can dissolve in water and in the atmosphere.
a) litter b) waste c) pollute d) release
10. After the school party we had to clean the … .
a) rubbish b) waste c) litter d) poison
11. This pollution can be so harmful, that it can … the land, water and air.
a) affect b) effect c) cause d) harm
12. Many teenagers usually … litter near their school.
a) pour b) drop c) release d) affect
13. Environmental problems are caused by … humans.
a) a b) an c) the d) –
14. … water is one of the most important resources for life.
a) a b) an c) the d) –
15. A lot of animals live in …. seas, rivers and lakes.
a) a b) an c) the d) –
Ответы
1. The environment is a very important thing … humans.
b) for (important for имеет значение " важно в смысле пользы или выгоды")
2. Environmental problems will get worse and worse until we … pollution.
a) stop (в придаточных времени вместо будущего времени используется настоящее)
3. By the time we … how to recycle, it might be to late.
a) learn (тоже придаточное времени)
4. Our river will be polluted until we … do something for cleaning it.
a) start (придаточное времени)
5. Serious pollution … chemicals and waste made by factories.
b) is caused by (нужен пассивный залог, а глагол affect не подходит по смыслу)
6. Ninety-three per cent of Jamaica’s coral reefs … .
c) have been destroyed (тут нужен пассив и Present Perfect, поскольку говорится о результате к настоящему времени)
7. Polluted air and water … people’s health.
d) damage (остальные слова не подходят по смыслу)
8. I suggest starting a programme to stop industries from using poisonous … .
a) chemicals (остальные слова не подходят по смыслу)
9. Some gases that … air can dissolve in water and in the atmosphere.
c) pollute (остальные слова не подходят по смыслу)
10. After the school party we had to clean the … .
a) rubbish (остальные слова не подходят по смыслу)
11. This pollution can be so harmful, that it can … the land, water and air.
a) affect (негативно сказаться на)
12. Many teenagers usually … litter near their school.
b) drop (to drop litter - мусорить)
13. Environmental problems are caused by … humans.
d) – (речь о человечестве в целом)
14. … water is one of the most important resources for life.
d) – (cуществительные, обозначающие вещества, обычно употребляются без артикля)
15. A lot of animals live in …. seas, rivers and lakes.
d) – (артикли "a"/"an" не подходят, т.к. сущ. использованы во множ. числе, "the" не подходит, поскольку речь о водоемах вообще, а не о каких-то конкретных)