试题与答案

影响土壤交换性离子有效性的因素有()、()、()。

题型:填空题

题目:

影响土壤交换性离子有效性的因素有()、()、()。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, B, C, D

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