11. The machine is powerful enough to ______ rocks into fine powder within seconds.
(A)assemble
(B)preserve
(C)pulverize
(D)decorate
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統計: A(4), B(3), C(44), D(4), E(0) #3866625
統計: A(4), B(3), C(44), D(4), E(0) #3866625