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5、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学试题


2、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学试题


C.Collect Smiles with a Little Money


A. Follow the beaten track to success. B. A picture is worth a thousand words.
C. Don’t put all your eggs in one basket. D. Two strings to your bow light the way.
C
In 1961, MIT meteorologist Edward Lorenz was inputting numbers into a weather prediction program. His model was based on a dozen variables, the value of one being 0.506127. When he ran the model again, he rounded that number to 0.506, and then left the room to grab a coffee. When he came back, he discovered this tiny change had resulted in a dramatically different weather prediction.
When presenting his groundbreaking model of chaos and the potential of extreme chaotic unpredictability at the 1972 meeting, Lorenz posed the question: “Does the flap of a butterfly’s wings in Brazil set off a tornado in Texas ”
Richard ·A· Anthes, former president of the University Corporation, says Lorenz was illustrating how, “in a system of apparently simple mathematical equations (方程式), a tiny change in the initial position of the particle can cause huge changes in its future position.” This analogy, so simply and beautifully expressed with Lorenz’s fascinating metaphor (隐喻), captured the imaginations of scientists and the public alike.
The butterfly effect “disrupted science at a philosophical level, showing that modeling the future is only predictable to an extent”, explains Bo-Wen Shen, an associate professor at San Diego State University. Shen thinks this is because the idea that even the slightest changes may have significant impacts offers hope to individuals, encouraging them to take small actions that could have a profound and positive effect.


3、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学答案


5、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学答案


6、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学答案


4、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学答案


5、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学试题


3、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学答案


(5) 紫色石蕊溶液变红，后变为无色
17．（12分）
(1) C 第三周期IIIA族 (2)
(3) 2 或 (4)(浓)
18．（10分）
(1)品红溶液(其它合理试剂均可) (2)浓硫酸变成稀硫酸，稀硫酸与Zn反应生成H2
(3)干燥氢气，防止水蒸气进入C装置 (4)C中黑色氧化铜变为红色，D中白色粉末变成蓝色 (5)AC


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3、咸阳市实验中学2025-2026学年高二第一学期第二次质量检测数学答案