海巡三等
108年
[海洋巡護科輪機組] 法學知識與英文(包括中華民國憲法、法學緒論、英文)
第 37 題
📖 題組：
Is bedtime just a time for dreaming? Do our brains turn off for the night? What if I told you that scientists recently discovered that our brains may be just as busy at night as they are during the day? __37__ Researchers at the University of Rochester found that the brain may be busy cleaning house -- cleaning out harmful waste materials. As with many studies, the researchers turned to mice for help. They studied mice that had colored dye injected into their brains. They observed the mice brains as they slept and when they were awake. The researchers say they saw that the brains of sleeping mice were hard at work. Dr. Maiken Nedergaard led the study. __38__ It seems they have daytime jobs. Later they "moonlight" at a nighttime job. "Moonlighting" is working a nighttime job in addition to a day job. And this study says that is what our brains seem to be doing – working an extra job at night without additional pay for overtime. Whereas during sleep, they work very, very hard at removing all the waste that builds up when we are awake. "When we are awake, the brain cells are working very hard at processing all the information about our surroundings. The researchers say that the waste material includes poisons, or toxins, responsible for brain disorders such as Alzheimer's disease. It is not just beauty sleep. The brain needs us to sleep so it can get to work. __39__ This shrinking permits waste to be removed more effectively. Dr. Nedergaard says these toxins end up in the liver. There, they are broken down and then removed from the body. "So our study suggests that we need to sleep because we have a macroscopic cleaning system that removes many of the toxic waste products from the brain." The brain's cleaning system could only be studied with new imaging technologies. The test animal must be alive in order that this brain process may be seen as it happens. Dr. Nedergaard says the next step is to look for the process in human brains. __40__ The research may also one day lead to treatments to prevent or help fight neurological disorders.
Is bedtime just a time for dreaming? Do our brains turn off for the night? What if I told you that scientists recently discovered that our brains may be just as busy at night as they are during the day? __37__ Researchers at the University of Rochester found that the brain may be busy cleaning house -- cleaning out harmful waste materials. As with many studies, the researchers turned to mice for help. They studied mice that had colored dye injected into their brains. They observed the mice brains as they slept and when they were awake. The researchers say they saw that the brains of sleeping mice were hard at work. Dr. Maiken Nedergaard led the study. __38__ It seems they have daytime jobs. Later they "moonlight" at a nighttime job. "Moonlighting" is working a nighttime job in addition to a day job. And this study says that is what our brains seem to be doing – working an extra job at night without additional pay for overtime. Whereas during sleep, they work very, very hard at removing all the waste that builds up when we are awake. "When we are awake, the brain cells are working very hard at processing all the information about our surroundings. The researchers say that the waste material includes poisons, or toxins, responsible for brain disorders such as Alzheimer's disease. It is not just beauty sleep. The brain needs us to sleep so it can get to work. __39__ This shrinking permits waste to be removed more effectively. Dr. Nedergaard says these toxins end up in the liver. There, they are broken down and then removed from the body. "So our study suggests that we need to sleep because we have a macroscopic cleaning system that removes many of the toxic waste products from the brain." The brain's cleaning system could only be studied with new imaging technologies. The test animal must be alive in order that this brain process may be seen as it happens. Dr. Nedergaard says the next step is to look for the process in human brains. __40__ The research may also one day lead to treatments to prevent or help fight neurological disorders.
第37題
- A They also found that during sleep, the brain’s cells shrink, or become smaller.
- B While we sleep, our brains are doing much more than getting ready for the next day.
- C She said the results demonstrate just how important sleep is to health and fighting disease.
- D The brain expert says our brains perform two very different jobs.
思路引導 VIP
請觀察第 37 題前後的文意發展：前一句提到大腦在晚上可能跟白天一樣「忙碌」，而後一句緊接著介紹一個具體的「研究發現」。如果你要在這兩句話之間加上一個橋樑，這句話應該要如何總結前面的觀點，並引起讀者對後面「新發現」的好奇心呢？
🤖
AI 詳解
AI 專屬家教
太棒了！你的觀察力非常敏銳
- 觀念驗證：這題考驗的是段落的邏輯銜接 (Cohesion)。前一句提到大腦在夜晚「跟白天一樣忙碌」，後一句則揭露具體的「打掃工作」。選項 (B) 恰好扮演了承上啟下的角色，指出大腦不只是在休息，更是在進行意想不到的活動，完美銜接了「忙碌」與「清潔」這兩個概念。
- 難度點評：本題屬於 medium (中等)。考生必須辨識出文章正從「一般的疑問」轉向「科學的具體發現」，並能選出在語氣上具有過渡性質的句子。