22. Which of the following is one of the super diamond's properties?
(A) They are tougher than any material on Earth.
(B) They are very thick.
(C) They resist extreme frigid temperatures X
(D) They can be made into a wafer shape.
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統計: A(0), B(0), C(1), D(0), E(0) #3351923
統計: A(0), B(0), C(1), D(0), E(0) #3351923