急求《阿凡达》《2012》电影的英文简介 50-80词即可

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This is a sci-fi movie that tells the adventure story of a man from Earth on an alien planet.People living on the alien planet,the Navis,are very kind and friendly,and they love peace and nature.So the earth man,who took the appearance of the Navis and tried to spy on them,finally betrayed his own race and helped the Navis to defeat the evil army from Earth who wanted to destroy the Navis' homeland for mining purposes.
2012
Dr.Adrian Helmsley,part of a worldwide geophysical team investigating the effect on the earth of radiation from unprecedented solar storms,learns that the earth's core is heating up.He warns U.S.President Thomas Wilson that the crust of the earth is becoming unstable and that without proper preparations for saving a fraction of the world's population,the entire race is doomed.Meanwhile,writer Jackson Curtis stumbles on the same information.While the world's leaders race to build "arks" to escape the impending cataclysm,Curtis struggles to find a way to save his family.Meanwhile,volcanic eruptions and earthquakes of unprecedented strength wreak havoc around the world.