# The evolution and cultivation of vegetables - 科目：雅思听力真题（Part 4） - 考频：中频 - 最近考试：2025.5.24 - 题目数：10 - 来源页：https://www.yaquan.site/paper/ce0a0d61-36c1-42c2-92ed-43b60e2a4c44（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 Vegetables have been a staple in human diets for thousands of years, and their cultivation has evolved significantly over time. 00:00:09,920 Today, their production is regulated in various ways to ensure both quality and sustainability. 00:00:17,920 To begin with, in many countries, the regulation and oversight of vegetable farming are handled by the government. 00:00:27,720 Authorities set regulations to ensure food safety, control pesticide use, and establish fair pricing policies. 00:00:37,180 Additionally, governments may provide subsidies or grants to farmers to encourage sustainable agricultural practices. 00:00:46,740 Without such oversight, small-scale farmers might struggle to compete with large agricultural corporations, leading to reduced diversity in vegetable production. 00:00:58,760 Despite regulations, vegetable farming comes with several challenges. 00:01:03,860 One of the most persistent problems growers face is the presence of weeds. 00:01:09,060 These unwanted plants compete with crops for essential nutrients, sunlight, and water, often reducing overall yield. 00:01:19,080 Farmers rely on a combination of manual weeding, herbicides, and crop rotation techniques to control them effectively. 00:01:27,880 However, excessive use of chemicals to eliminate weeds can negatively impact soil quality and the surrounding ecosystem. 00:01:37,760 Beyond external challenges, the overall structure of a tree or any kind of plants is of great importance in its ability to grow and remain healthy. 00:01:49,440 A plant's stem and leaves provide vital support, allowing it to transport nutrients and water efficiently. 00:01:57,900 Some vegetables, like tomatoes, require additional structural support in the form of stakes or trellises to prevent damage as they grow. 00:02:07,400 This is particularly important for climbing vegetables, such as beans and cucumbers, which rely on a stable framework to maximize their exposure to sunlight. 00:02:19,260 Now, let's consider the environmental factors that influence vegetable growth. 00:02:25,560 Vegetables with high moisture content, such as lettuce, cucumbers, and zucchinis, depend on a reliable source of water for healthy growth. 00:02:34,780 Insufficient hydration can lead to poor growth, reduced yield, and a lack of flavor in the final product. 00:02:42,660 Farmers often use irrigation systems to regulate water supply, particularly in regions with low rainfall. 00:02:51,300 Another key aspect of modern agriculture is the use of specialized equipment. 00:02:57,020 The introduction of an advanced machine for harvesting has significantly improved efficiency, especially for large-scale vegetable farms. 00:03:06,960 These machines can quickly gather crops such as potatoes, carrots, and onions, reducing the need for manual labor. However, while they improve productivity, they may not always be suitable for delicate vegetables that require careful handling. 00:03:24,020 Timing also plays a crucial role in vegetable cultivation. 00:03:28,900 Many crops, including spinach, peas, and radishes, are ideally sown at the beginning of spring, as the moderate temperatures and increased rainfall during this period create ideal growing conditions. 00:03:43,580 Some vegetables, like onions and garlic, require a longer growing season and are typically planted in the autumn to be harvested the following year. 00:03:55,220 Understanding the best planting time for each type of vegetable is essential for ensuring successful harvests. 00:04:03,940 Now, let's explore some scientific aspects related to vegetable cultivation. The history of cultivating vegetables has its roots in ancient civilizations from thousands of years ago, such as Mesopotamia, Egypt, and China. 00:04:19,519 Early agricultural societies selectively bred plants for desirable traits, leading to the domestication of many vegetables we consume today. 00:04:29,300 Over time, improvements in farming techniques, such as crop rotation and soil enrichment, have contributed to higher yields and better quality produce. 00:04:39,660 Another fundamental factor in plant growth is sunlight. This natural resource is essential for photosynthesis, allowing plants to convert light energy into food. 00:04:52,360 Without adequate exposure to sunlight, vegetables may grow weak, producing smaller or misshapen crops. 00:05:00,240 Farmers often adjust planting arrangements to maximize sun exposure, ensuring that taller plants do not overshadow smaller ones. Greenhouse technology has also been developed to regulate light conditions, allowing for year-round vegetable production even in colder climates. 00:05:19,620 Some vegetables have unique growth characteristics. For example, carrots, potatoes, and beets develop underground and depend on an extensive root system to absorb nutrients from the soil. 00:05:35,560 Root vegetables are often rich in vitamins and minerals, making them an essential part of a balanced diet. However, their growth can be affected by soil conditions, requiring farmers to rotate crops regularly to maintain soil health. 00:05:52,480 Finally, one of the most distinctive qualities of vegetables is their taste. The flavor of vegetables like tomatoes, peppers, and cucumbers can vary significantly depending on ripeness, soil composition, and climate conditions. For instance, a tomato grown in nutrient-rich soil under full sunlight will likely have a sweeter taste ## 题目与答案 ### 31. Background ·In many countries, the 31_____ plays a role in regulating the production and distribution of vegetables. Background ·In many countries, the 31_____ plays a role in regulating the production and distribution of vegetables. **答案**：government 原文定位：To begin with, in many countries, the regulation and oversight of vegetable farming are handled by the government 同义替换：「production」↔「farming」；「plays a role in」↔「are handled by」 ### 32. ·One of the biggest challenges challenges for vegetable farmers is controlling the growth of unwanted plants known as 32_____ . ·One of the biggest challenges challenges for vegetable farmers is controlling the growth of unwanted plants known as 32_____ . **答案**：weeds 原文定位：One of the most persistent problems growers face is the presence of weeds. These unwanted plants compete with crops for essential nutrients, sunlight, and water, often reducing overall yield ### 33. ·The 33_____ of a plant, including its stem and leaves, is essential for providing support and transporting nutrients. ·The 33_____ of a plant, including its stem and leaves, is essential for providing support and transporting nutrients. **答案**：structure 原文定位：Beyond external challenges, the overall structure of a tree or any kind of plants is of great importance in its ability to grow and remain healthy. A plant's stem and leaves provide vital support, allowing it to transport nutrients and water efficiently ### 34. Environmental Factors in Vegetable Growth ·Vegetables with high moisture content require a sufficient supply of 34_____ to grow properly. Environmental Factors in Vegetable Growth ·Vegetables with high moisture content require a sufficient supply of 34_____ to grow properly. **答案**：water 原文定位：Vegetables with high moisture content, such as lettuce, cucumbers, and zucchinis, depend on a reliable source of water for healthy growth 同义替换：「require a sufficient supply of」↔「depend on a reliable source of」；「properly」↔「healthy」 ### 35. ·A modern agricultural 35_____ has made it easier to harvest vegetables efficiently on large farms. ·A modern agricultural 35_____ has made it easier to harvest vegetables efficiently on large farms. **答案**：machine 原文定位：The introduction of an advanced machine for harvesting has significantly improved efficiency, especially for large-scale vegetable farms 同义替换：「modern」↔「advanced」；「large」↔「large-scale」 ### 36. ·Some vegetables are typically planted in early 36_____ as the weather conditions are ideal for their growth. ·Some vegetables are typically planted in early 36_____ as the weather conditions are ideal for their growth. **答案**：spring 原文定位：Many crops, including spinach, peas, and radishes, are ideally sown at the beginning of spring, as the moderate temperatures and increased rainfall during this period create ideal growing conditions 同义替换：「planted」↔「sown」；「early」↔「at the beginning of」 ### 37. Other Scientific Aspects ·The 37_____ of vegetable cultivation dates back thousands of years to ancient civilizations. Other Scientific Aspects ·The 37_____ of vegetable cultivation dates back thousands of years to ancient civilizations. **答案**：history 原文定位：The history of cultivating vegetables has its roots in ancient civilizations from thousands of years ago, such as Mesopotamia, Egypt, and China ### 38. ·Exposure to adequate 38_____ is essential for photosynthesis, allowing vegetables to develop properly. ·Exposure to adequate 38_____ is essential for photosynthesis, allowing vegetables to develop properly. **答案**：sunlight 原文定位：Another fundamental factor in plant growth is sunlight. This natural resource is essential for photosynthesis, allowing plants to convert light energy into food 同义替换：「adequate」↔「sufficient」 ### 39. ·Carrots and potatoes are examples of vegetables that grow underground and develop from a 39_____ system. ·Carrots and potatoes are examples of vegetables that grow underground and develop from a 39_____ system. **答案**：root 原文定位：For example, carrots, potatoes, and beets develop underground and depend on an extensive root system to absorb nutrients from the soil 同义替换：「carrots and potatoes」↔「vegetables」；「develop」↔「grow」 ### 40. ·The 40_____ of certain vegetables, such as peppers and tomatoes, can vary depending on their ripeness variety. ·The 40_____ of certain vegetables, such as peppers and tomatoes, can vary depending on their ripeness variety. **答案**：taste 原文定位：Finally, one of the most distinctive qualities of vegetables is their taste. The flavor of vegetables like tomatoes, peppers, and cucumbers can vary significantly depending on ripeness, soil composition, and climate conditions --- 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。