1.When the air is very dirty we usually say it is ______.
A) nasty
B) polluted
C) not clean
2.The thing which pollutes the air and soil is _______.
A) fertilizer
B) pollutant
C) pollution
3. We should protect ______.
A) The environment
B) pollutants
C) soil
4. Ecological problems can be _____.
A) solved by people
B) done
C) thought by business.
5. A person who doesn't eat meat is _____.
A) a strong person
B) a vegetarian
C) a person who hates animals.
6.If you protect the environment you are____.
a) a vegetarian
b) an environmentalist
c) a citizen
7.If we want to reuse things or materials we usually____.
a) recycle them
b) wash them
c) sell them
8.If you love nature you are____.
a) a fighter
b) a green person
c) a gardener
9.Garbage than can be easily burned is___.
a) non-combustible
b) combustible
c) reusable
10. Garbage that can't be burned is___.
a) combustible
b) reusable
c) noncombustible

1.When the air is very dirty we usually say it is ______. B) polluted 2.The thing which pollutes the air and soil is _______. B) pollutant 3. We should protect ______. A) The environment 4. Ecological problems can be _____. A) solved by people 5. A person who doesn't eat meat is _____. B) a vegetarian 6.If you protect the environment you are____. b) an environmentalist 7.If we want to reuse things or materials we usually____. a) recycle them 8.If you love nature you are____. b) a green person 9.Garbage than can be easily burned is___. b) combustible 10. Garbage that can't be burned is___. c) noncombustible