2014年GRE考试阅读机经综合辅导(一)
日期:2014-04-29 15:10
新GRE高频阅读机经原文：蜜蜂升温
Ingestion of food containing spores(孢子) of the pathogenAscosphaera apis causes a fatal fungal disease known as chalk brood in honeybeelarvae. However， larvae must be chilled to about 30C(normal brood-combtemperature is 33-36C)for the disease to develop. Accordingly(因此)， chalkbrood is most common in spring and in small colonies. A recentstudy revealed that honeybees responsible for hive-temperature maintenancepurposely raised the hives temperature wh
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