The evolution and cultivation of vegetables

文章大意

雅思听力Part4讲解蔬菜的演变与种植，涉及政府对蔬菜种植的监管、农药使用与补贴政策，农民面临的杂草防治难题，以及番茄、豆类、黄瓜等蔬菜对支撑结构和水分的需求，还提到灌溉系统对生菜、西葫芦等高水分蔬菜的重要性。

题目与答案

1. 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」

2. ·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

3. ·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

4. 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」

5. ·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」

6. ·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」

7. 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

8. ·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」

9. ·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」

10. ·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