试题与答案

树木花卉在植物生长()时期,应适当地多施氮肥,促进其旺盛生长。 A.苗期 B.初期

题型:单项选择题

题目:

树木花卉在植物生长()时期,应适当地多施氮肥,促进其旺盛生长。

A.苗期

B.初期

C.旺盛

D.花期

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:放射治疗方案的优化的过程包括:确定靶区和重要组织和器官、选择治疗的目标、物理方案的设计和实施。

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