How many new materials are mentioned in this passage? Where lies success of a country in the New Age of Superstuff?

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问题 How many new materials are mentioned in this passage?
Where lies success of a country in the New Age of Superstuff?

选项 A、It lies in research.
B、It lies in investment.
C、It lies in innovation.
D、It lies in application.

答案D

解析 由短文最后一段中的"But new materials have no impact until they are made into products...will determine the success or failure of a country in the coming future"可知答案。
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