Vol.245 Building a Bridge of (and to) the Future

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題名: Building a Bridge of (and to) the Future

記者: By HENRY FOUNTAIN

発行日: October 13, 2009

URL: http://www.nytimes.com/2009/10/13/science/13bridge.html

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【Answers to Content Questions/内容についての質問の正解】

1 It is made of carbon- and glass-fiber fabric tubes which is stuffed
with concrete.

2 It is $170,000 less expensive than a precast bridge.

3 The federal government is interested.

4 They have long been used in surfboards and pleasure boats.

5 The main argument against using fiber-reinforced plastics has been
economic.

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