[完型填空]Glasses protect people's eyes from bright light. Microscopes make tiny...

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问题 [完型填空]Glasses protect people's eyes from bright light. Microscopes make tiny things larger ( 1 ) we can examine them. Telescopes make objects that are far away appear ( 2 ) closer to us. However in recent years plastics have replaced glass ( 3 ) conditions where glass might be easily broken there are new uses to be developed for glass that were never imagined in the ( 4 ) . Perhaps the greatest ( 5 ) of glass is that its constituent (构成的).parts are inexpensive and can be found all over the world.
选项 2. ____ A.much B.so that C.advantage D.past E.on
答案 A
解析

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