2015年英语四级作文常用好词佳句汇总
（一）自然、生态、环境
1.好词
(1)Environmental/water/air/noisepollution
(2)Resourcesexhaustion
(3)Wildlifeextinction
(4)Endangeredspecies
(5)Naturalhabitat
(6)Reserveareas
(7)Sand/duststorm
(8)Clear-cutting/deforestation
(9)Overfishing
(10)Overgrazing
(11)Soilerosion
(12)Waterand soil conservation
(13)Desertification
(14)Naturaldisaster
(15)Floodthreat
(16)Firehazard
(17)Storm/tempest
(18)Blizzard
(19)Drought
(20)Famine
(21)Disruptionof ecological balance(the balance of ecosystem)
(22)Eruptionof volcanoes
(23)Earthquake
(24)Avalanche
(25)Landslide
(26)Hurricane
(27)Shortageof water resources
(28)Shortageof fresh water
(29)Harmfulchemicals
(30)Poisonous/toxicgases
(31)Carbon monoxide
(32)Urbansmog
(33)Industrialwaste
(34)Hazardousnuclear waste
(35)Radioactivepollutants
(36)Wastegas sent off from automobiles
(37)Caremission standard
(38)Non-biodegradablematerial
(39)Throw-awaylunchbox
(40)Recyclableproduct
(41)Renewableresources
(42)Conservenatural resources
(43)Plasticbags
(44)Greenhouseeffect
(45)Globalwarming
(46)Acidrain
(47)Energycrisis
(48)Oilleakage
(49)Environmentawareness
(50)Pest rampancy
(51)Rescueand relief work
(52)Garbagedisposal
2.佳句
(1)Pollutionis, in fact, threatening our existence.
(2)Villagersare as a rule healthier than people who live in towns. One reason for this isthat country air is fresher than the air in smoky cities.
(3)Most ofthe noise in the city comes from traffic, factories and construction sites.
(4)There isan increasingly loud voice from the public calling for firm action againstpollution.
(5)Scientistshave warned that unless effective solutions are worked out, the problem ofpollution will eventually get out of hand.
(6)Manyfactories discharge enormous harmful chemicals into air and rivers every day.
(7)To killinsects, farmers use a large amount of insecticides so as to have a bumperharvest. As a result, they pollute the air, water and land.
(8)The gasfrom car engines is very poisonous. It is a main source of air pollution incities.
(9)Deforestationresult in the increase of global temperature and unpleasant change of climate.
(10)Theearth is our home and we have the duty to take care of it for ourselves and forour later generation.
(11)Beijing now has becomeone of the most polluted cities in the world. Among the 10 cities with theworst air pollution in the world last year, Beijing was the third most polluted city.
(12)If thecity had not plagued by poor quality air, the annual death rate in Beijing would have been 4 percent lower in past threeyears, according to the research done jointly by BeijingMedical Universityand Harvard University.
(13)Beijing consumes 2.8million tons of coal each year, of which 75 percent are low-grade coal.
(14)To makeroom for those buildings, trees are being cut down, grass plots occupied.Cities look like nothing but grey concrete woods.
(15)Moderncities should be expanding with a certain percentage for green-plant areas.
(16)We mustbegin now to protect our only earth.
(17)Almosteverything we use daily comes from the land directly or indirectly.
(18)But thelimited land is decreasing at a surprising speed.
(19)Thenature has given us so much, but looks at what we have done in return for itsgenerosity.
(20)Theozone layer is our natural shield in the sky, but this shield is in greatdanger due to human activities. To protect the ozone layer is to protect us.
(21)Depletingthe ozone layer allows more UV-B to reach the earth, which means more skincancers, more eye cataracts(白内障)，weakenedimmune systems, and reduced plant yield.
(22)Thenature 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 activemeasures to preserve the environment.
(24)Wesincerely hope that all the people in the world will take part in the campaignand join hands to protect the nature.