属蜜蜂真菌性疾病，主要发生于7日龄后的幼虫或前蛹的是（）
A. 蜜蜂白垩病
B. 欧洲幼虫腐臭病
C. 美洲幼虫腐臭病
D. 白僵病
E. 家蚕多角体病
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公元1201年，新兴势力（）与旧势力的代表（）在阔亦田争战。
How does route poisoning work with holddown timers to prevent routing loops?（）
A. Information learned from one source is not distributed back to that source.
B. Routing updates from the poisoned source are ignored until a holddown timer expires.
C. Failed routes are advertised with infinite metrics.
D. New routing updates are ignored until the network has converged.
E. A route is marked as unavailable when its time-to-live is exceeded.
谈谈你对列维・斯特劳斯关于二元对立是人的思维的基本结构的理解，可以列维・斯特劳斯对于神话的结构分析为例。
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