Which days is observed as World Earth Day?

a) April 22 b) August 3 c) October 31 d) September 15

15.  Ford is…

a)American automobile company    b)symbol of ecological protection c) Japanese automobile company   d) international environmental organization

Green Peace

a)part of medicine that helps people to lead a healthy life. b)symbol of ecological protection c) automobile company    d) international environmental organization

17. Environment:

a) air, water and land, in which people, animals and plants live; b) an organization that wants to protect the natural world; c) something that we do to prevent air and water pollution; d) dirty water, air and atmosphere.  

18. Greenhouse effect:

a) a building in a garden or park which has glass walls and a glass roof in which you grow plants;

b) a salad made mainly with green vegetables; c) the problem of temperature rise in the Earth’s atmosphere; d) dirty water, air and atmosphere

19. Ecology:

a) natural balance between plants, animals, people and their environment; b) plants growing in some area;

c) part of medicine that helps people to lead a healthy life; d) a building in a garden or park which has glass walls and a glass roof in which you grow plants;

20. It is an electronic device that can receive a set of instructions called program and then carry out them

a) Fax b) Computer c) engineering d) production