Điền từ thích hợp vào chỗ trống, hoàn thành câu

----- Nội dung dịch tự động từ ảnh -----
2. Picking.
litter makes our environment clean.
_ saving the environment.
pollution have.
our life?
3. National parks play a key role
4. What type of effect does water
5. Forests provide a habitat, hundreds of species
6. Endangered animals in the wild are facing a high risk.
7. After cleaning
8. We shouldn't cut,
plants and animals.
extinction.
everything. the campsite, we left.
9. Avoid dumping waste
10. Remember to turn
too many trees.
lakes and rivers!
devices when you are not using them.
Exercise 9 Choose the correct answers.
Itand pollution is responsible for damage done.
A. with
B. for
2. Americans throw
every year.
A. in
3. Scientists have come up.
B. at
B. on
C.to
D. of
natural habitat of animals.
twenty-eight and a half million tons of plastic in landfills
C.to
D. away
_ new ways of saving energy.
C. to
D. out
4. Thousands of people were exposed
A. with
exploded.
A. in
B. at
C. to
radiation when the nuclear plant
D. away
water bodies directly
D. by
5. Waste water from many factories which is dumped
causes water pollution.
A. on
6.
B. into
C. out
fumes from these vehicles are serious air pollutants.
A. Poisonously
7. _
B. Poison
C. Poisonous
D. Poisons
thermal pollution happens, the water temperature in streams, rivers, lakes, or
oceans changes.
A. Until
B. When
C. Before
D. As soon as
8. Air pollution occurs when the atmosphere contains gases, dust, or fumes in,
amounts.
A. unharmed
B. harmless
C. harm
9. When radiation goes into the land, air or water, it is called radioactive
B. polluted
D. harmful
C. pollutants
D. polluting
light pollution.
D. lead
A. pollution
10. Too much use of electric lights in cities may
A. go
11.
B. result
C. cause
pollution is the contamination of lakes, rivers, oceans, or groundwater,
usually by human activities.
A. Soil
C. Noise
C. damages
12. Land pollution happens when human activities
A. cover
B. Air
B. destroy
B. and
13. Noise pollution occurs
A. while
D. Water
the Earth's surface.
D. cause
there are too many loud sounds in the environment.
C. because
D. so
14. The sight of too many telephone poles, advertising billboards, overhead power lines,
or shop signs may cause
A. visual
B. vision
pollution.
C. visualize
C. to make
D. visible
15. People don't care much about the environment, so they keep
A. made
B. making
D. make
it worse.