ENGLISH 8 – UNIT 7: POLLUTION
Page 1
KEY 7
I.
Listen to the passage and decide which statements are true (T) or false (F).
STATEMENTS
T
F
1.
Motor vehicles and factories are among some sources of air pollution.
T
2.
Air pollution doesn’t endanger people’s health in some cities.
F
3.
Air pollution is the only problem of the environment mentioned in this passage.
F
4.
Garbage disposal is a problem in many large cities.
T
5.
Everyone must cooperate to reduce pollution.
T
II.
Listen again and fill in the missing words.
Air pollution is a serious problem in many cities. Motor vehicles, factories and other sources create so much (1)
………
AIR
POLLUTION
…………
that
it
may
hang
in
the
air
like
dirty
fog.
Air
pollution
(2)
………
THREATENS
………… the health of the people who live in cities. City wastes cause water pollution when
they are poured into the waterways. These wastes kill fish and make some areas unfit for swimming. In addition,
many large cities have difficulties in disposing of their (3) ………
GARBAGE
………… The amount of garbage
grows each year, but places to put it are quickly filling up. Citizens, governments, industries scientists, and business
people must work together in different ways to gradually (4) ………
REDUCE
………… pollution. For example,
most cities have introduced (5) ………
RECYCLING
………… programs.
III.
Find the word which has a different sound in the underlined part.
1.
A. algar
B. aquatic
C. contaminate
D. permanent
2.
A. thermal
B. thankful
C. there
D. thorough
3.
A. pollution
B. earplug
C. dump
D. dust
4.
A. untreated
B. measure
C. pleasure
D. bread
5.
A. physical
B. visual
C. music
D. because
IV.
Find the word which has a different stress from the other words.
1.
A. medical
B. hospital
C. politic
D. electric
2.
A. physical
B. horrific
C. beautiful
D. different
3.
A. scientific
B. dramatic
C. athlethic
D. domestic
4.
A. untreated
B. measure
C. pleasure
D. bread
5.
A. physical
B. visual
C. music
D. because
6.
A. limit
B. pollution
C. influence
D. dirty
7.
A. exist
B. destroy
C. human
D. result
8.
A. decrease
B. urgent
C. serious
D. national
9.
A. weather
B. rapid
C. action
D. affect
10.
A. rubbish
B. become
C. government
D. nature
V.
Choose the best answer.
1.
Air …………………, together with littering, is causing many problems in our cities today.
A.
Pollute
B. pollution
C. polluting
D. polluted
2.
Many people in this city have received medical………………… for the disease.
A.
Support
B. treatment
C. help
D. assistance
3.
It won’t be possible to save the Earth if we don’t take………………… right now.
A.
Action
B. job
C. work
D. duty
4.
We …………………our environment and keep it healthy and clean.
A.
Should protect
B. should be protected
C. should protected
D. should be protect
5.
Doctors…………………that air pollution causes lung cancer.
A.
Proved
B. has proved
C. have been proved
D. have proved
