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UNIT 9: ENVIRONMENT
7. Air pollution is the release of harmful gases into the 10. The graphic below shows the results of a survey on the
atmosphere. In many countries, it is the leading cause reasons of environmental problems.
of death. An estimated seven million people die every Greenhouse
year from indoor and outdoor air pollution. We must take gases
action to prevent it. ..................... 50% Overhunting
5%
Which option is not appropriate to fill in the blank?
10% Wasting
A) We mustn’t use too much chemicals on farms to kill 15% energy
harmful insects. 20%
B) We mustn’t throw rubbish on the streets and use
Destroying forests Polluting water
plastic materials.
Which of the following is not correct according to the
C) We must use fossil fuels to heat in our homes instead graphic above?
of other energy sources.
D) We must cycle to work and school, and walk for short A) Destroying forests is more harmful than wasting
distances. energy.
B) Greenhouse gases are the most serious problem for
8. the environment.
Pollution is when we harm the Earth in different ways. C) Overhunting is the lowest negative effect on the
It is a big problem today, and we are responsible for it. environment.
We make the oceans, air, and land dirty. Sadly, many D) Water pollution is the least important problem
of us don't know enough about these problems. Our
actions upset the natural balance, and we're hurting compared to the other reasons.
the environment. We must say "stop" and try our
hardest to fix this before it's too late.
11. English teacher, Mrs. Hope wrote down some reasons
for an environmental problem on the board and asked
The text above tells us that ....... . her students to find solutions. Here are the reasons and
her students’ solutions:
A) humans don’t play a big role in any environmental
issues
➜ Exhaust fumes
B) environmental problems are not the results of human ➜ Industrial chemicals
activities
➜ Burning of fossil fuels
C) human activities have no bad impacts on the ➜ Agricultural activities
environment
D) human activities cause pollution and it’s damaging Tina: We should turn off the lights when we don’t need.
the Earth in various ways Frank: We shouldn’t throw our litter into the seas.
Katie: We should use public transportation more.
9. • It has bad effects on life and causes genetic problems
for humans and animals. Logan: We should recycle waste materials.
• People can’t breathe easily because of the vehicles’ Who offers a suitable solution for the environmental
exhaust fume. problem on the board?
Which environmental problems are related to the A) Tina B) Frank C) Katie D) Logan
results given above?
A) Nuclear waste - Air pollution 12. To recycle, we should ........ our garbage and put it into
B) Deforestation - Water pollution different boxes.
C) Global warming - Land pollution Choose the correct word for the blank.
D) Pesticides - Noise pollution A) throw B) classify C) prevent D) waste
68 GRADE 7 ENGLISH