英语演讲_核污染

1、Nuclear PollutionAbstract Last century, the discovery and exploration of the atom and nuclear materials offers unlimited possibilities for human-beings to use this mysterious and effective energy . Also,the serious problem of global warming makes people turn to this renewable energy.Constant technol

2、ogical advances prompted the continuous emergence of an increasingly large numbers of inventions. Humans also have found plenty of methods using this mysterious energy.Obviously, one characteristic of this energy which raises humans concern is that it can release rapidly,scientists think this is an

3、explosive substance much more effective than dynamite. Atomic bomb has been invented as a kind of severely-damaging weapon.Also,by using the energy,nuclear power plants now deliver clean energy to millions of households.However, disasters struck. 1945 -in Hiroshima(广岛), Japan, the United States drop

4、ped the first atomic bomb. However, the disastrous consequences are unimaginable. People realized that saying Japan had experienced a catastrophe wasnt an exaggeration. 1986 -Chernobyl(切尔诺贝利) nuclear power plant explosed, the entire Chernobyl area was razed in ruins. Today Chernobyl is still a ghost

5、 town, mankind has never foreseen the consequences of the disaster being so severe.2011 -Fukushima(福岛) nuclear leak,a great many of the radioactive substances have contaminated the entire Pacific. People are still unclear that how serious consequences Japanese will meet in the future.Hazards nuclear

6、 pollution brings to humans are inestimable till now. Hence,people still have a long way to go on the path of world exploration.Risks and Impacts of Global WarmingUsage of Nuclear Energynuclear weaponnuclear power plantprincipleDisasters 1945 -Hiroshima and Nagasaki 1986 -Chernobyl 2011 -Fukushima b

7、efore bomb after bomb ruins filled with corpsemushroom cloud1945power plant shambles19861986Chinese newspaper related to the disaster ghost town1986 ghost town1986abnormal children caused by nuclear radiation19861986abnormal children caused by nuclear radiationfour tall damaged reactor buildings kno

8、wn as (right to left) Units 1, 2, 3 and 4.2011radioactive substances diffuse photographed by satellitesradiation spreadwhat is the future of nuclear energy?References/pros-cons-nuclear-power-global-warming-solution/our-work/nuclear-power/nuclear-power-and-global-warming#.VXQwJfRAVUQhttp:/en.wikipedia.o