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【单选题】

Despite not being terribly smart as individuals, wasp (黄蜂) colonies build and maintain a complex nest that lasts many generations. Just how these social wasps coordinate this task has always been a mystery. But now a mathematical model suggests that one key factor drives their behavior. the amount of water in the nest. Social wasps cannot learn from one another—unlike bees, which use a complex dance to tell nest mates where sources of nectar (花蜜) are. Nor do they use pheromones (信息素) the way ants do to lead other ants to food. Robert Jeanne of the University of Wisconsin-Madison proposed that wasps set up a demand-driven chain of information. At the end of the chain, builder wasps monitor the nest and when necessary, request pulp from pulp forager wasps. They in turn demand water from water foragers in order to make the pulp. But biologist Istvan Karsai of East Tennessee State University in Johnson City, Tennessee, and his team found that social wasps in Panama don't actually work that way. They removed either builders or pulp foragers from a colony of a species called Metapolybia aztecoides. Although that should break up the so-called information chain, it did not significantly alter the amount of water being brought into the nest. They also found that the wasps could change roles, something that Jeanne didn't expert. For instance, when the researchers sprayed a surplus of water onto the nest, water foragers quickly became builders, and nest building increased. Based on their observations, Karsai's team developed a mathematical model that shows that wasps achieve their complex behaviour simply by monitoring the level of water in the nest—what he calls the'common stomach' of the colony. He believes wasps infer what the level is when they exchange fluids on meeting each other, a behaviour called trophallaxis that is common in many social insects. To test the model, Karsai simulated changes in the model colony, for example by removing pulp foragers or builders. 'What's interesting is that in every case the model responds like the actual colony in Panama, 'says Karsai. According to the passage wasps ______.

A.
are very smart as individuals
B.
are able to build and maintain complex nests
C.
drink more water than scientists have expected
D.
can learn from each other just like the bees
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参考答案:
举一反三

【单选题】ROM中的信息是

A.
由生产厂家预先写入的
B.
在安装系统时写入的
C.
根据用户需求不同,由用户随时写入的
D.
由程序临时存入的

【单选题】健康信息收集、健康风险评估旨在

A.
提供有普遍性的群体化健康信息来调动群体消灭本身健康风险的积极性
B.
提供有针对性的个性化健康信息来调动个体降低本身健康风险的积极性
C.
提供有针对性的科学健康信息来帮助群体降低本身的健康风险
D.
提供有普遍性的群体化健康信息来调动群体消灭本身健康风险的积极性,提供有针对性的个性化健康信息来调动个体降低本身健康风险的积极性
E.
提供有针对性的个性经健康信息来调动个体降低本身健康风险的积极性,提供有针对的性的科学健康信息来帮助群体降低的健康风险

【多选题】为保证财务分析质量,财务分析信息应满足以下要求()

A.
财务信息的相关性
B.
财务信息的系统性
C.
财务信息的准确性
D.
财务信息的完整性
E.
财务信息的及时性

【单选题】在WINDOWS环境中各个应用程序之间能够交换和共享信息,是通过()来实现的。

A.
“我的电脑”窗口中的调度
B.
资源管理器的操作
C.
剪贴板查看程序
D.
剪贴板这个公共数据通道

【单选题】毕业生获取信息的渠道,以下哪个是最不可靠的。( )

A.
社会关系
B.
社会各级人才市场
C.
学校就业工作部门
D.
职业中介机构
相关题目:
【单选题】ROM中的信息是
A.
由生产厂家预先写入的
B.
在安装系统时写入的
C.
根据用户需求不同,由用户随时写入的
D.
由程序临时存入的
【单选题】健康信息收集、健康风险评估旨在
A.
提供有普遍性的群体化健康信息来调动群体消灭本身健康风险的积极性
B.
提供有针对性的个性化健康信息来调动个体降低本身健康风险的积极性
C.
提供有针对性的科学健康信息来帮助群体降低本身的健康风险
D.
提供有普遍性的群体化健康信息来调动群体消灭本身健康风险的积极性,提供有针对性的个性化健康信息来调动个体降低本身健康风险的积极性
E.
提供有针对性的个性经健康信息来调动个体降低本身健康风险的积极性,提供有针对的性的科学健康信息来帮助群体降低的健康风险
【多选题】为保证财务分析质量,财务分析信息应满足以下要求()
A.
财务信息的相关性
B.
财务信息的系统性
C.
财务信息的准确性
D.
财务信息的完整性
E.
财务信息的及时性
【单选题】在WINDOWS环境中各个应用程序之间能够交换和共享信息,是通过()来实现的。
A.
“我的电脑”窗口中的调度
B.
资源管理器的操作
C.
剪贴板查看程序
D.
剪贴板这个公共数据通道
【单选题】毕业生获取信息的渠道,以下哪个是最不可靠的。( )
A.
社会关系
B.
社会各级人才市场
C.
学校就业工作部门
D.
职业中介机构
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