# Studies on long-chain fatty acids - 科目：雅思听力真题（Part 4） - 考频：中频 - 题目数：10 - 来源页：https://www.yaquan.site/paper/eada488f-470d-4b5a-9d7d-90127f745af7（在线机考练习与音频请访问该页面） - 数据更新：2026-10-29 ## 题目原文 00:00:00,500 Part four. You will hear a lecture about the importance of nutritious fatty acids in cognitive and behavioral health. First, you have some time to look at questions thirty-one to forty. 00:01:01,240 Now listen carefully and answer questions thirty-one to forty. 00:01:06,040 Good morning, everyone. Today, we're going to talk into the profound impact that long-chain fatty acids, particularly omega-3 fatty acids, have on cognitive function and behavior. 00:01:21,520 Our discussion will weave through a narrative involving a wise grandfather, dive into robust scientific research, and conclude with actionable dietary recommendations. Imagine a scenario where a knowledgeable grandfather pretends to go fishing not just as a bonding experience, but also as a teachable moment for his grandchildren. 00:01:52,120 He uses this opportunity to emphasize that the fish they are catching are not just food, but are packed with omega-3 fatty acids essential for brain health. 00:02:07,040 This tale not only entertains, but also embeds a powerful lesson about the importance of diet passed down through generations, emphasizing traditional wisdom in our modern health understanding. 00:02:25,040 Now, let's explore the scientific evidence supporting the benefits of omega-3 fatty acids. 00:02:33,620 Extensive research has demonstrated that long-chain fatty acids, like those prevalent in fish oil, are fundamental to optimal brain function. These fats are crucial for the structure of cell membranes and are essential for healthy neurotransmission and neuroprotection, impacting everything from learning to memory. 00:03:01,520 Furthermore, studies indicate a worrying trend. Children with learning difficulties frequently display lower levels of essential fatty acids. 00:03:14,280 This connection suggests that insufficient intake of these crucial nutrients can significantly impact cognitive development, underscoring the necessity for maintaining adequate levels from a young age. 00:03:31,760 You may be curious about the timeline for observing the benefits of omega-3 supplementation. 00:03:40,480 Although individual responses can vary, there are documented instances where children have shown improved cognitive functions after taking fish oil supplements consistently for three months. 00:03:56,650 This evidence highlights the importance of regular consumption to achieve noticeable cognitive benefits. However, it's important to consider that some people may find it challenging to digest fatty acid supplements. 00:04:15,750 This difficulty underscores the potential advantages of obtaining these nutrients directly through dietary sources, which may be more effective and less problematic for some individuals, emphasizing the importance of tailored dietary plans. 00:04:39,440 Despite the clear benefits, only one-third of the population regularly includes omega-3 rich foods in their diet. 00:04:51,110 This significant nutritional shortfall presents a public health issue that requires immediate attention to improve both cognitive and overall health. 00:05:04,720 In the USA, research has demonstrated a link between regular fish consumption and higher academic performance, particularly in mathematics. 00:05:17,540 Similarly, in Japan, studies have found that consistent fish intake is associated with reduced reading difficulties among students, highlighting the profound impact of diet on academic success. 00:05:36,200 In response to these findings, governments around the world are urging people to increase their fish consumption as part of a public health strategy to enhance cognitive functions and academic performance on a broad scale. 00:05:55,200 An interesting study from Ireland has also shed light on the behavioral implications of dietary deficiencies. 00:06:04,620 It found that prisoners often exhibit increased aggression due to low levels of omega-3 fatty acids and other minerals. This connection between diet and behavior further illustrates the critical role of a balanced diet in mental and emotional health. 00:06:25,920 This completes our overview of the importance of omega-3 fatty acids. 00:06:32,620 Thank you for your attention as we discussed these vital dietary components. 00:06:39,320 That's the end of part four. You now have half a minute to check your answers. ## 题目与答案 ### 31. What did the grandfather do at the beginning of the story? What did the grandfather do at the beginning of the story? - he pretended to go fishing - he went to the market - he bought two rare fish **答案**：he pretended to go fishing 原文定位：Imagine a scenario where a knowledgeable grandfather pretends to go fishing not just as a bonding experience, but also as a teachable moment for his grandchildren 同义替换：「at the beginning of the story」↔「Imagine a scenario」 ### 32. Studies on long-chain fatty acids Background Long-chain fat can improve the function of 32_____ . Studies on long-chain fatty acids Background Long-chain fat can improve the function of 32_____ . **答案**：brain 原文定位：Extensive research has demonstrated that long-chain fatty acids, like those prevalent in fish oil, are fundamental to optimal brain function 同义替换：「improve」↔「optimal」 ### 33. Survey from UK, children who have 33_____ are in shortage of Fatty Acid; thus it will be helpful for children. Survey from UK, children who have 33_____ are in shortage of Fatty Acid; thus it will be helpful for children. **答案**：learning difficulties 原文定位：Furthermore, studies indicate a worrying trend. Children with learning difficulties frequently display lower levels of essential fatty acids 同义替换：「shortage」↔「lower levels」 ### 34. How long does it work since taken? There is one kid had taken it for 34_____ which improved a lot. How long does it work since taken? There is one kid had taken it for 34_____ which improved a lot. **答案**：three months 原文定位：Although individual responses can vary, there are documented instances where children have shown improved cognitive functions after taking fish oil supplements consistently for three months ### 35. Other research Some people take them but they don't seem to 35_____ . Other research Some people take them but they don't seem to 35_____ . **答案**：digest 原文定位：However, it's important to consider that some people may find it challenging to digest fatty acid supplements 同义替换：「don't seem to」↔「find it challenging to」 ### 36. USA Only 36_____ of people eat some kind of nutritious fatty acid food. USA Only 36_____ of people eat some kind of nutritious fatty acid food. **答案**：one-third 原文定位：Despite the clear benefits, only one-third of the population regularly includes omega-3 rich foods in their diet 同义替换：「people」↔「population」 ### 37. Japan students who often eat fish can feel that 37_____ skills are better than others. Japan students who often eat fish can feel that 37_____ skills are better than others. **答案**：reading 原文定位：Similarly, in Japan, studies have found that consistent fish intake is associated with reduced reading difficulties among students, highlighting the profound impact of diet on academic success 同义替换：「eat」↔「intake」 ### 38. children who often eat fish can avoid problem in 38_____ difficulty, children who often eat fish can avoid problem in 38_____ difficulty, **答案**：reading 原文定位：Similarly, in Japan, studies have found that consistent fish intake is associated with reduced reading difficulties among students, highlighting the profound impact of diet on academic success ### 39. so the 39_____ encourage people to eat more fish. so the 39_____ encourage people to eat more fish. **答案**：governments 原文定位：In response to these findings, governments around the world are urging people to increase their fish consumption as part of a public health strategy to enhance cognitive functions and academic performance on a broad scale 同义替换：「encourage」↔「urging」 ### 40. Ireland prisoners become very aggressive due to the low level of various 40_____ in their diet. Ireland prisoners become very aggressive due to the low level of various 40_____ in their diet. **答案**：minerals 原文定位：It found that prisoners often exhibit increased aggression due to low levels of omega-3 fatty acids and other minerals --- 以上内容由鸭圈雅思真题库（www.yaquan.site）提供，收录近期雅思考试真题回忆，支持在线机考模式免费练习。