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阅读下面的短文，文章中有5处空白，文章后面有6组文字，请根据文章的内容选择5组文字，将其分别放回文章原有位置，以恢复文章原貌。请将答案涂在答题卡相应的位置上。 Changes of Museums 46 They are no longer places for the privileged few or for bored vacationers to visit on rainy days. 47 Some of the old, gray museums have been rebuilt, and the newer ones are open and modern in their architecture. Inside, there is modern lighting, color, and sound. Instead of displaying everything they own, museum directors show fewer objects and leave open spaces where visitors can gather and sit down. They also bring together in one display a group of objects drawn from various parts of the museum in an effort to represent the whole life-style of a region or a historical period. 48 More and more, museum directors are realizing that people learn best when they can somehow become part of what they are seeing. In many science museums, for example, there are no guided tours. The visitor is encouraged to touch, listen, operate, and experiment so as to discover scientific principles for himself. He can have the experence of operating a spaceship or a computer. He can experiment with glass-blowing and paper-making. 49 The theory is that people who do not understand science will probably fear it, and those who fear science will not use it to best advantage. | 
