問題詳情

4.Why does the author believe that the Mandans were skilled farmers?
(A) They developed effective fertilizers.
(B) They developed new varieties of corn.
(C) They could grow crops in most types of soil.
(D) They could grow crops despite adverse weather.

參考答案

答案:D
難度:簡單0.833333
統計:A(0),B(1),C(0),D(5),E(0)

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