Can animals have a sense of humor Sally Blanchard, publisher of a newsletter called the Pet Bird Report, thinks a pet parrot may have pulled her leg. That’s one explanation for the time her African gray parrot, named Bongo Marie, seemed to feign distress at the possible death of an Amazon parrot named Paco.
It happened one day when Blanchard was making Cornish game hen for dinner. As Blanchard lifted her knife, the African gray threw back its head and said, "Oh, no! Paco!" Trying not to laugh, Blanchard said, "That’s not Paco," and showed Bongo Marie that the Amazon was alive and well. Mimicking a disappointed tone, Bongo Marie said, "Oh, no," and launched into a hoarse laugh.
Was the parrot joking when it seemed to believe the other bird was a goner Did Bongo Marie comprehend Blanchard’s response Studies of African grays have shown that they can understand the meaning of words--for example, that red refers to a colo
A. It showed sadness and deceived her
B. It shed crocodile tears intentionally
C. It pretended to understand her words
D. It burst into laughter after a distressed tone
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A. 一区 B. 中级 C. 二区 D. 三区 [单选题]消防指战员参加灭火战斗时,根据火场危害程度,严格按照等级防护要求落实防护措施。在长时间、大跨度、远纵深的密闭空间开展灭火救援作业时,应视情佩戴( )或使用移动供气源。
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[简答题]某市越江隧道工程全部由政府投资。该项目为该市建设规划的重要项目之一，且已列入地方年度固定资产投资计划，设计概算已经主管部门批准，施工图及有关技术资料齐全。该项目拟采用 BOT方式建设，市政府正在与有意向的BOT项目公司洽谈。为赶工期政府方出面决定对该项目进行施工招标。因估计除本市施工企业参加投标外，还可能有外省市施工企业参加投标，故招标人委托咨询单位编制了两个标底，准备分别用于对本市和外省市施工企业投标价的评定。招标过程中，招标人对投标人就招标文件所提出的所有问题统一作了书面答复，并以备忘录的形式分发给各投标人，为简明起见，采用表格形式见表7-1。 表7-1 质疑答复备忘录
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