命题材料:十九世纪英国作家狄更斯在《双城记》中曾说过:“这是一个光明的时代,也是一个黑暗的时代;这是一个充满希望的时代,也是一个令人绝望的时代。”中国有古诗云:“山重水复疑无路,柳暗花明又一村。”西方也有一句谚语:“当上帝关上一扇门时,就会打开另一扇窗。” Proposition materials: Nineteenth-century British writer Charles Dickens said in The Twins: “This is a bright era, but also a dark era; this is a full of hope, but also a desperate era. ”There is an ancient poem in China:“ There is no doubt that there is no doubt that there will be a heavy burden on the mountainside, ”and“ there is a saying in the West: ”When God closes a door, it opens another window.“ ”