【正确答案】 1、正确答案：From ancient times to the present, innumerable poets have eulogized the window, innumerable singers have extolled it, innumerable lovers have fixed their dreamy eyes on it... The evolution of the window is worthy of our study. Small as it is, the window is the eye of civilization. In the coming days, its changes will become even more manifold. The window glass will, along with the tick-tick of the clock, automatically regulate light streaming into the room and change its own colors according to interior illumination. The window frame will be filled with circulatory water to remove harmful things for the host and bring him the hard-won fragrance and nutrients to meet his needs. Some windows glass will ensure good ventilation and transparency without manual manipulation. They will keep disturbing noises out and let sweet tweedle in. Let"s open the window! Open it not just to let sunlight and air in, or to get a distant view of blue mountains, fresh green willows and swallows in flight..., but, more importantly, to embrace a new century!