60. What does the passage imply about the variety of life on Earth?
(A) It should replace buildings.
(B) It does not affect scientists.
(C) Most people do not care about it.
(D) It is important for both beauty and survival.
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統計: A(1), B(1), C(1), D(14), E(0) #3449343
統計: A(1), B(1), C(1), D(14), E(0) #3449343