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Passage 1 It's one of our common beliefs that mice are afraid of cats. Scientists have long known that even if a mouse has never seen a cat before, it is still able to detect chemical signals released from it and run away in fear. This has always been thought to be something that is into a mouse's brain. But now Wendy Ingram, a graduate student at the University of California, Berkeley, has challenged this common sense. She has found a way to "cure" mice of their inborn fear of cats by infecting them with a parasite, reported the science journal Nature. The parasite, called Toxoplasma gondii, might sound unfamiliar to you, but the shocking fact is that up to one-third of people around the world are infected by it. This parasite can cause different diseases among humans, especially pregnant women-it is linked to blindness and the death of unborn babies. However, the parasite's effects on mice are unique. Ingram and her team measured how mice reacted to a cat's urine (尿) before and after it was infected by the parasite. They noted that normal mice stayed far away from the urine while mice that were infected with the parasite walked freely around the test area. But that's not all. The parasite was found to be more powerful than originally thought-even after researchers cured the mice of the infection. They no longer reacted with fear to a cat's smell, which could indicate that the infection has caused a permanent change in mice's brains. Why does a parasite change a mouse's brain instead of making it sick like it does to humans? The answer lies in evolution. "It's exciting scary to know how a parasite can manipulate a mouse's brain this way," Ingram said. But she also finds it inspiring. "Typically if you have a bacterial infection, you go to a doctor and take antibiotics and the infection is cleared and you expect all the symptoms to also go away." She said, but this study has proven that wrong. "This may have huge implications for infectious disease medicine."Which of the following statements is true according to the passage?
室内工作区的温度是指距地面2.5米高度范围内的温度。
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公共支出预算控制体系PPB最早是在()首先发展起来的。
一般公共预算支出按照其功能分类包括()
一般公共预算支出应当按其功能分类编列到(),按其经济性质分类编列到()。
一般公共预算支出按照其功能分类,包括()等方面。
预算必须反映所有的公共支出,且以收支总额的形式反映出来,这体现了政府预算编制的()原则。
各级一般公共预算支出的编制,应当(),在保证基本公共服务合理需要的前提下,优先安排国家确定的重点支出。
公共支出预算控制体系PPB最早产生于()。
一般公共预算支出应当按其功能分类编列到(),按其经济性质分类编列到()。
一般公共预算支出功能分类科目包括()。
各级一般公共预算支出的编制,应当(),在保证基本公共服务合理需要的前提下,优先安排国家确定的重点支出。