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【填空题】

苗圃土壤耕作的五个基本环节是浅耕灭茬、()、()、、()。

题目标签:耕作镇压灭茬
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参考解析:
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刷刷题刷刷变学霸
举一反三

【多选题】土壤耕作可分为()。

A.
基本耕作措施
B.
施肥
C.
辅助耕作措施
D.
浇水

【多选题】土壤耕作的目的有( )。

A.
消灭病虫害
B.
翻埋残茬、肥料和杂草
C.
调整耕层的三相比
D.
创造深厚的耕层与适宜的播床

【单选题】Friction between America’s military and its civilian overseers is nothing new. America’s 220-year experiment in civilian control of the military is a recipe for friction. The nation’s history has seen...

A.
Roosevelt was better prepared to be a wartime president than Lincoln
B.
in the Second World War, the relationship between the White House and the generals was intense
C.
both Lincoln and Roosevelt were good wartime presidents, although their actual way of dealing things may be different
D.
George Washington was actually the best president