1 . The newest fiber-optic cables that carry telephone calls cross-country are made of glass so.......that a piece of 100 miles thick is clearer than a standard windowpane
- A. fragile
- B. immaculate
- C. tangible
- D. transparent
- D. iridescent
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E ইউনিট : ২০০৯-২০১০ || চট্টগ্রাম বিশ্ববিদ্যালয় || 2009
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