29. It can be inferred from the last paragraph
that a glacier
(A) can revert to a fluffy mass
(B) maintains the same shape throuthout the
glacial process
(C) is too cold to be thoroughly studied
(D) can contribute water to lakes, rivers, or
oceans
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統計: A(7), B(2), C(0), D(6), E(0) #803628
統計: A(7), B(2), C(0), D(6), E(0) #803628