41. What is the purpose of this passage?
(A) To argue for the benefits of nopales.
(B) To introduce a new source of energy.
(C) To predict the future agriculture policy of Mexico.
(D) To change people’s ideas about energy consumption.
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統計: A(13), B(221), C(30), D(16), E(0) #2611700
統計: A(13), B(221), C(30), D(16), E(0) #2611700