The discovery of glass being expandable and able to be shaped by human breath revolutionized glassworking to such an extent that today "glassblowing" has become the generic term for all glassworking, whether the glass is blown or formed by other techniques.
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Aof glass being expandable and able to be
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Bof glass that is capable of expansion and
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Cof glass being capable of expansion and that it can be
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Dthat glass can be expanded and it is able to be
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Ethat glass can be expanded and
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正确答案: E