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

[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 4. ____
A.much
B.so that
C.advantage
D.past
E.on
答案D
解析
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