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英语四六级作文常用好词和佳句
一、自然、生态、环境
1
．好词
（
1
）
Environmental/w
ater/air/noise pollution
（
2
）
Resources
exhaustion
（
3
）
Wildlife extinction
（
4
）
End
angered species
（
5
）
Natural habitat
（
6
）
Res
erve areas
（
7
）
Sand/dust storm
（
8
）
Cle
ar-cutting/deforestation
（
9<
/p>
）
Over fishing
（
10
）
Ov
ergrazing
（
11
）
Soil erosion
（
12
）
Wa
ter and soil conservation
（
1
3
）
Desertification
（
14
）
Na
tural disaster
（
15
）
Flood threat
（
16
）
Fi
re hazard
（
17
）
Storm/tempest
（
18
）
Bl
izzard
（
19
）
Drought
（
21
）
Di
sruption
of
ecological
balance
（
the
balance of
ecosystem
）
（
22
）
Eruption of
volcanoes
< br>（
23
）
Earthquake
（
24
）
Av
alanche
（
25
）
La
ndslide
（
26
）
Hurricane
（
27
）
Sh
ortage of water resources
（
2
8
）
Shortage of fresh water
（
29
）
Ha
rmful chemicals
（
30
）
Poisonous/toxic gases
（
31
）
Ca
rbon monoxide
（
32
）
Urban smog
（
33
）
In
dustrial waste
（
34
）
Hazardous nuclear waste
（
35
）
Ra
dioactive pollutants
（
36
）
Waste gas sent off from
automobiles
（
37
）
Car emission standard
< br>（
38
）
Non-
biodegradable material
（
39
）
Throw
-away lunchbox
（
40
）
Recyclable product
（
41
）
Re
newable resources
（
42
）
Conserve natural resources
（
43
）
Pl
astic bags
（
44
）
Greenhouse effect
（
45
）
Gl
obal warming
（
46
）
Acid rain
（
47
）<
/p>
Energy crisis
（
48<
/p>
）
Oil leakage
（
49
）
Envi
ronment awareness
（
50
）
Pest rampancy
（
51
）
Resc
ue and relief work
（
52
）
Garbage disposal
2
．佳句
（
1
）
Pol
lution is, in fact, threatening our existence.
（
2
）
Villag
ers are as a rule healthier than people who live
in towns. One reason for this is that
country air is fresher than the air in
smoky cities.
（
3
）
Most of the noise in the city comes
from traffic, factories and construction sites.
（
4
）
There
is an increasingly loud voice from the public
calling for firm action against pollution.
（
5
）
Scientists
have
warned
that
unless
effective
solutions
are
worked
out,
the
problem
of
pollution will eventually get out of
hand.
（
6
）
< br>Many factories discharge enormous harmful chemicals into air and rivers every day.
（
7
）
To
kill insects, farmers use a large amount of
insecticides so as to have a bumper harvest. As
a result, they pollute the air, water
and land.
（
8
）
The
gas from car engines is very poisonous. It is a
main source of air pollution in cities.
（
9
）
Deforestation
result in the increase of global temperature and
unpleasant change of climate.
（
< br>10
）
The earth is our home
and we have the duty to take care of it for
ourselves and for our later
generation.
（
11
）
Be
ijing now has become one of the most polluted
cities in the world. Among the 10 cities
with the worst air pollution in the
world last year, Beijing was the third most
polluted city.
（
12
）
If
the city had not plagued by poor quality air, the
annual death rate in Beijing would have
been 4 percent lower in past three
years, according to the research done jointly by
Beijing Medical
University and Harvard
University.
（
13
）<
/p>
Beijing consumes 2.8 million tons of
coal each year, of which 75 percent are low-grade
coal.
（
14
）
To
make room for those buildings, trees are being cut
down, grass plots occupied. Cities
look
like nothing but grey concrete woods.
（
15
）
Modern cities
should be expanding with a certain percentage for
green-plant areas.
（
16
）
We
must begin now to protect our only earth.
< br>（
17
）
Almost
everything we use daily comes from the land
directly or indirectly.
（
18<
/p>
）
But the limited land is
decreasing at a surprising speed.
（
19
）
The
nature
has
given
us
so
much,
but
looks
at
what
we
have
done
in
return
for
its
generosity.
（
20
）
The ozone layer is our
natural shield in the sky, but this shield is in
great danger due to
human activities.
To protect the ozone layer is to protect us.
（
21
）
Depleti
ng the ozone layer allows more UV-B to reach the
earth, which means more skin
cancers,
more eye cataracts
（白内障）
，
weakened immune systems, and reduced plant
yield.
（
22
）
The
nature
has
been
irritated,
which
results
in
the
shortage
of
valuable
resources,
air
pollution, countless
acres of lands becoming deserts, etc.
（
23
）
Fortunately,
many countries have got to know the seriousness of
the problem and take active
measures to
preserve the environment.
（
24
）
We
sincerely hope that all the people in the world
will take part in the campaign and join
hands to protect the nature.
（
25
）
Besides,
trees and lawns in our cities will in the long run
help improve the local climate.
（
26
）
The government
should also spend more money on the preservation
of current lawns and
cultivation of new
lawns.
（
27
）
Chinese government has taken strict measures
to stop careless and indiscriminate felling of
trees.
（
28
）
Therefore,
governments
are
playing
the
most
important
role
in
environmental
protection
today.
（
29
）
The government should let people
full realize the importance of environmental
protection
through education.
（
30
）
Cars should
be equipped with special devices to reduce auto
emission.
（
31
）
Farmers
can
utilize
modern
biological
techniques
instead
of
chemical
fertilizers
to
grow
crops.
（
32
）
Desert can be
turned into cultivated land by a certain kind of
shrub.
（
33
）
Recycling of paper, steel and plastics is
important for helping protect our environment.
（
34
）
The
city was beautified on a tremendous scale.
（
35
）
Energy
crisis will threaten our existence because of the
people’s extravagance and the rapid
growth of he population.
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