关于亚洲水稻种植业特点的叙述,正确的是 A.机械化水平高    B.

关于亚洲水稻种植业特点的叙述,正确的是

A.机械化水平高    B.水利工程量大  C.单产低,商品率低 D.资金投入多

答案

B


解析:

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