Some advanced materials are old standard with a new twist. The newest fiberoptic cable that carry telephone calls cross-country are made of glass so transparent that a piece of 100 miles thick is clearer than a standard window pane.
But new materials have no impact until they are made into products. And that transition could prove difficult, for switching requires lengthy research and investment. It can be said a firmer handle on how to move to commercialization will determine the success or failure of a country in the near future.
How many new materials are mentioned in this passage?
A. Two
B. Three
C. Four
D. Five
Why does the author mention genetic engineering and computer science?
A. To compare them with the new materials.
B. To show the significance of the new materials on the future world.
C. To compare the new materials to them.
D. To explain his view point.
Why is transition difficult?
A. Because transition requires money and time.
B. Because many manufacturers are unwilling to change their equipment.
C. Because research on new materials is very difficult.
D.Because it takes 10 years.
Where lies success of a country in the New Age of superstuff?
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