试题与答案

减少根部初侵染来源的措施有严格检疫,病土()、()挖掘及栽植前处理等。

题型:填空题

题目:

减少根部初侵染来源的措施有严格检疫,病土()、()挖掘及栽植前处理等。

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

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