38. Which of the following fields is NOT mentioned for Velcro uses in the passage?
(A) Civil engineering.
(B) Aerospace industry.
(C) Medical technology.
(D) Sports and recreation.
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統計: A(178), B(25), C(43), D(40), E(0) #3200434
統計: A(178), B(25), C(43), D(40), E(0) #3200434