Задание 1 к тексту "Pollution"

Выберите правильный ответ:  

 

  1. Man’s activity has created the … to the environment.

a) goal   b) state   c) threat   d) benefit

  1. Water is considered to be the most … material of civilization.

a) essential   b) harmful   c) indefinite   d) fluid

  1. The pollution comes from many …: industrial wastes, thermal wastes, domestic wastes.

a) countries   b) sources   c) questions   d) reasons

  1. Carbon dioxide … the emission of the earth’s heat into space which results in the so-called “greenhouse effect” and global warming.

a) helps   b) produces   c) escapes   d) prevents

  1. High levels of noise at factories … work efficiency and may be … for the workers’ health.

a) estimate, good   b) increase, destructive   c) reduce, dangerous   d) rise, helpful

  1. The main air pollutants in big cities are ….

a) automobiles   b) smoking people   c) factories   d) animals

  1. At present the air contains around 140 … substances: dust, smoke, soot, carbon dioxide, sulphur dioxide, nitric oxide, etc.

a) beautiful   b) bad   c) harmful   d) strong

  1. … often pollute sea and river water with oil products.

a) cars   b) ships   c) boats   d) sailing vessels

  1. Scientists all over the world develop ecologically pure and … technologies.

a) direct   b) no-pollute   c) comfortable   d) no-waste

10. The major threat to human health is … hanging over “super-cities’.

a) smog   b) fog   c) frog   d) cloud