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    1、2025年长春市高二基础教育质量监测英语试题答案"
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5、2025年长春市高二基础教育质量监测英语试题


6、2025年长春市高二基础教育质量监测语文试题


To see if forgotten memories are detectable in human brains, Tom Willems and his team at the University of Bern got 40 people to quickly look at 96 pairs of images, made up of a human face and an object, such as a guitar or a stapler. The researchers then used functional magnetic resonance imaging (磁共振成像) to observe the participants’ brain activity during tests carried out around 30 minutes later and 24 hours later. The tests asked whether they had seen two images paired up before. The participants also stated whether they recalled that two images went together, were unsure, or were guessing.
Those who said they could remember chose the correct pairing 87 per cent of the time during both tests. Those who said they had forgotten got about half right. The participants who were unsure guessed correctly 57 per cent of the time after 30 minutes and 54 per cent after 24 hours. These results were slightly higher than would be expected by chance, which suggests this group may actually have remembered.
When the guessers chose the right answer, the same activation patterns were seen in the right hippocampal (海马的) region of the brain as in those who remembered, which implies the engrams of forgotten memories remained and were influencing their choices. In the tests done 24 hours later, the engrams of memories that people correctly guessed stayed within the hippocampus, while those they could remember were distributed throughout the neocortex (大脑新皮层).
The work shows there can be a disconnection between the memory we consciously access and the related engram in the brain. As researcher Amy Milton explains, “Some memories don’t necessarily need to be consciously retrieved (提取) in order for those memories to influence behaviour.”
8. What does the underlined word “engram” in paragraph 2 probably mean
A. A tool used to measure memory. B. The process of forming memory.
C. The feeling of remembering something. D. A network of brain cells storing memory.


C．Put forward workable solutions.
D．Engage in making local policies.
3．How much will an 8-week extern earn at most upon full completion
A．$200. B．$220. C．$510. D．$480.
My fingers trembled as I signed the pre-medical application form. The watercolor brushes on my desk stared back at me like abandoned friends. I’m Lora, an 18-year-old who secretly drew brain diagrams on napkins while classmates drew cartoons. “Art feeds the soul but starves the body,” Mom always said. Her words haunted me as my biology textbooks slowly buried my drawing pads.
Then came the school career fair that changed everything. Dr. Eleanor Whitman from Harvard asked us to list our “hidden skills”. My hand shook as I wrote “observing details”—something I’d learned from painting flower petals. “That’s medical research’s most needed skill!” she exclaimed, sharing how a student turned microbiology notes into textbook illustrations. My lab partner whispered, “Remember our photosynthesis (光合作用) comic ” For the first time, my two worlds didn’t feel so separate.
The real surprise came during hospital volunteering. Watching surgeries, I noticed something—the steady hands of doctors reminded me of my brushwork. When a boy struggled to describe his pain, I drew a fire-breathing dragon on his cast. “You made medicine speak,” the nurse said. Slowly, my drawing pads filled with cells that looked like colored-glass art and X-rays arranged like abstract paintings.


4、2025年长春市高二基础教育质量监测语文试题


5、2025年长春市高二基础教育质量监测英语试题


3、2025年长春市高二基础教育质量监测政治试题


2、2025年长春市高二基础教育质量监测历史试题


5、2025年长春市高二基础教育质量监测物理试题


4、2025年长春市高二基础教育质量监测 物理试题


(4)将过量的碳酸钠和氢氧化钠转化为氯化钠


（1）该款变色眼镜的玻璃里加入了溴化银(AgBr)和氧化铜。在强光照射下，溴化银分解成溴和银，玻璃颜色变深，此反应类型属于 反应。
（2）当光线变暗时，溴和银在氧化铜作用下，重新生成溴化银，玻璃颜色变浅，氧化铜在反应中起 作用。
23、氧家族的“生长树”如图1所示。
（1）图2是进行图1实验中的装置，A瓶中反应的文字或符号表达式为 ；
（2）证明B瓶中的燃烧产物所选用的试剂是 ；A、C装置的集气瓶中均需放少量水，C瓶中放水的主要目的是 。
24、小华和几位同学在实验室用下列装置制取常见的气体。
(


3、2025年长春市高二基础教育质量监测数学答案