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试题答案

本文从以下几个角度介绍。

    1、楚天云教育平台
    2、楚天协同
    3、楚天教学云平台

2、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)政治试题


5、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)化学试题


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Would you upload your mind into a computer?
As far as science can tell, the brain creates your sense of self. Cells called neurons (神经元) fire in patterns that form your memories, likes, dislikes, and more. Hypothetically (假设地), if some instrument could gather enough information about the neurons in your brain, then that information could be saved in a data file. Then, perhaps, your unique network of neurons could be recreated, either in a computer simulation (电脑模拟程序) or in some sort of artificial body.
Some science fiction writers have imagined that brain uploads might free humans from aging, disease, and physical pain. We could potentially live forever, like immortal gods and goddesses.
That sounds absolutely wild. And it is. No technology comes close to copying an entire brain. In 2019, a team of researchers at the Allen Institute for Brain Science in Seattle, Washington, mapped out all the neurons in a section of mouse brain tissue. It was the size of a grain of sand. To do this, they sliced (切成薄片) the brain speck (小片) into 25,000 tiny pieces and took more than 100 million pictures of these. The images showed more than 100,000 neurons with around a billion interconnections.
This process took five months and ate up to two million gigabytes of computer storage space. That’s enough to store 40,000 ultra-high-definition movies! And that’s all for one tiny mouse brain speck. Imaging an entire human brain with this technology today would require dozens of microscopes working around the clock for thousands of years.
There’s another issue to face. Current brain-scanning methods require slicing up a brain, which only works with a dead subject. Michael S.A. Graziano is a neuroscientist at Princeton University in New Jersey. He recently wrote in The Wall Street Journal, “To upload a human brain, we probably want a scanner that doesn’t kill the subject ... The most wildly optimistic predictions place mind uploading within a few decades, but I would not be surprised if it took centuries.”
Some people are willing to wait. The memory research company Nectome is based in San Francisco, California. In 2018, the group announced it was working to preserve brains just as a person dies. The idea is that in the future, if the technology is ever ready, scientists could bring that mind back to life. They’d probably resurrect (使复活) it in a computer simulation, virtual-Frankenstein-style. Ken Hayworth is a neuroscientist and president of the Brain Preservation Foundation in Virginia. He told MIT Technology Review, “If the brain is dead, it’s like your computer is off, but that doesn’t mean the information isn’t there.”


6、云南省楚天协作体2025-2026学年度秋季高二期中 (11月)政治答案


4、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)生物学答案


4、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)历史答案


4、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)生物学答案


2、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)生物学试题


6、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)数学答案


①用离子方程式解释NaNO2的作用： 。
②粗产品中钒元素的质量分数为 。
③下列操作会引起测定结果偏高的是 。
a.未使用尿素除去NaNO2
b. 滴定结束后读数俯视刻度线
c. (NH4)2Fe(SO4)2溶液部分变质
17．（14分）苯甲酸广泛应用于制药和化工行业，实验室可通过甲苯氧化制苯甲酸。反应原理：


酸性氧化物
碱性氧化物
A.澄清透明溶液中：Na+、Cu2+、CI-、NO3
习
H SO
Naz CO
Cuz (OH)2CO


3、云南省楚天协作体2025-2026学年度秋季高二期中考试(11月)生物答案