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2013年广东听说高考真题B
In 1939, on the eve of the Second World War, Albert Einstein wrote a letter to the American President. The letter was about an application of Einstein’s famous equation, E equals MC squared and his fear that the Nazis could use it to build an atomic bomb.
In 1939, on the eve of the Second World War, Albert Einstein wrote a letter to the American President. The letter was about an application of Einstein’s famous equation, E equals MC squared and his fear that the Nazis could use it to build an atomic bomb.
