2013广东高考英语口语

2013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. E equals MC squared is the symbol of Einstein’s genius. It’s an equation that sums up one of the most powerful truths about the universe. It combines two ideas, which until Einstein came along, no one had ever dreamed could be