# Australian lemon myrtle - 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/3df63cfc-ea41-4874-b04a-11f69bcc6251（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 00:00:00,320 You will hear part of a lecture about native citrus plants in Australia, known as lemon myrtle. 00:00:07,400 First, you have some time to look at questions thirty-one to forty. 00:00:12,280 Pause the audio for one minute. 00:00:15,660 Now listen carefully and answer questions thirty-one to forty. 00:00:20,900 Good afternoon, everyone. Today, we're going to explore a few remarkable native citrus species found in Australia, which are not only important ecologically, but also increasingly popular in culinary and commercial industries. 00:00:35,580 Let's begin with one of the most well-known examples, lemon myrtle. 00:00:41,110 This evergreen tree, native to the subtropical rainforests of Queensland, is widely appreciated for its strong lemon aroma. 00:00:50,280 People often use lemon myrtle in cooking, but one of its more traditional applications is steeping the leaves to create herbal tea. 00:00:58,980 Aside from its pleasant flavor, it's also believed to have antimicrobial properties, which makes it popular in natural remedies. 00:01:08,280 Now, lemon myrtle isn't the only citrus-like tree found in Australia. Although desert lemon trees resemble other native citrus types, they won't develop properly unless there is consistent and sufficient rain available. This need for regular water supply makes them more challenging to grow in areas prone to long dry spells, despite their name suggesting otherwise. Another fascinating species is the finger lime, sometimes referred to as citrus caviar due to its tiny bead-like juice vesicles. These are often used in gourmet dishes. However, finger lime trees, known for their culinary appeal, often struggle in wet climates where fungal and bacterial diseases tend to spread quickly. This sensitivity has made commercial cultivation a bit risky, especially in regions with poor drainage or unpredictable weather. 00:02:03,140 When it comes to cultivation practices, timing is everything. Farmers usually begin planting during the spring months as unexpected frost later in the year can severely damage young trees. This seasonal strategy helps to maximize growth while avoiding environmental stressors that could affect survival rates. 00:02:24,540 Speaking of safety, it's also important to mention that not every part of these trees is edible. While generally safe, certain areas of the plant, especially the leaves, can be considered slightly toxic when eaten in significant amounts. 00:02:40,780 For this reason, growers and chefs alike must take precautions when handling or preparing these native ingredients. 00:02:48,720 As for processing, there's more than one way to use the harvest. In some recipes, the dried form, commonly referred to as a powder, is preferred over using the fully ripened fruit. This allows the flavor to be preserved and used in spice blends, marinades, or even herbal teas. 00:03:08,500 From a geographical standpoint, distribution of these plants varies depending on species. These plants are naturally found in extremely dry ecosystems, with the desert landscape being one of their most common habitats. 00:03:23,000 Their resilience to harsh conditions has made them well-suited for outback environments, although they still need proper care. Even so, not all environments are equal. Ideal growth occurs in consistently hot and humid environments, particularly in tropical zones where temperatures remain stable throughout the year. 00:03:45,100 This is why some commercial farms are now being established further north, where these conditions are more reliable year-round. 00:03:53,640 Beyond function, some species are valued for aesthetics. Chefs often enhance the look of seafood dishes by adding colorful citrus zest, especially when presenting grilled fish to guests. This decorative touch adds both flavor and visual appeal, making native citrus a favorite in high-end cuisine. 00:04:14,740 However, cultivation is not without its challenges. 00:04:18,760 Pests pose a significant challenge to these trees, with certain species of insects like borers and mites causing serious leaf damage. 00:04:27,960 Farmers often need to monitor their orchards closely and use eco-friendly pest control methods to maintain healthy crops. 00:04:36,380 That brings us to the end of our overview. 00:04:39,900 As you can see, Australia's native citrus species offer a mix of culinary richness, ecological uniqueness, and agricultural complexity. 00:04:50,080 That is the end of Part Four. ## 题目与答案 ### 31. Types of Citrus Trees Lemon Myrtle trees are commonly used as herbs, spices, or brewed into 31_____ . Types of Citrus Trees Lemon Myrtle trees are commonly used as herbs, spices, or brewed into 31_____ . **答案**：herbal 原文定位：People often use lemon myrtle in cooking, but one of its more traditional applications is steeping the leaves to create herbal tea 同义替换：「commonly」↔「often」；「brewed into」↔「steeping」；「are used as」↔「traditional applications」 ### 32. Desert Lemon trees are similar, but they require a plenty of 32_____ to grow. Desert Lemon trees are similar, but they require a plenty of 32_____ to grow. **答案**：rain 原文定位：Although desert lemon trees resemble other native citrus types, they won't develop properly unless there is consistent and sufficient rain available 同义替换：「similar」↔「resemble」；「require a plenty of」↔「there is consistent and sufficient」；「grow」↔「develop」 ### 33. Finger lime trees are highly valued but easily affected by 33_____ . Finger lime trees are highly valued but easily affected by 33_____ . **答案**：diseases 原文定位：However, finger lime trees, known for their culinary appeal, often struggle in wet climates where fungal and bacterial diseases tend to spread quickly 同义替换：「are highly valued」↔「known for their culinary appeal」；「easily affected by」↔「often struggle」 ### 34. Cultivation and Natural Habitat They are planted in spring to protect them from 34_____ . Cultivation and Natural Habitat They are planted in spring to protect them from 34_____ . **答案**：frost 原文定位：Farmers usually begin planting during the spring months as unexpected frost later in the year can severely damage young trees ### 35. To avoid damage, they are usually planted in spring to escape 35_____ . To avoid damage, they are usually planted in spring to escape 35_____ . **答案**：stressors 原文定位：This seasonal strategy helps to maximize growth while avoiding environmental stressors that could affect survival rates 同义替换：「escape」↔「avoiding」 ### 36. It is used either as ripe fruit or as a 36_____ . It is used either as ripe fruit or as a 36_____ . **答案**：powder 原文定位：As for processing, there's more than one way to use the harvest. In some recipes, the dried form, commonly referred to as a powder, is preferred over using the fully ripened fruit ### 37. In the wild, they are typically spread in 37_____ regions. In the wild, they are typically spread in 37_____ regions. **答案**：dry 原文定位：These plants are naturally found in extremely dry ecosystems, with the desert landscape being one of their most common habitats 同义替换：「In the wild」↔「naturally」；「regions」↔「landscape」 ### 38. They grow best in a 38_____ climate. They grow best in a 38_____ climate. **答案**：tropical 原文定位：Ideal growth occurs in consistently hot and humid environments, particularly in tropical zones where temperatures remain stable throughout the year 同义替换：「best」↔「Ideal」；「climate」↔「environments」 ### 39. Other uses and threat They are mainly used as a decoration, e.g. on 39_____ . Other uses and threat They are mainly used as a decoration, e.g. on 39_____ . **答案**：fish 原文定位：Chefs often enhance the look of seafood dishes by adding colorful citrus zest, especially when presenting grilled fish to guests 同义替换：「used as a decoration」↔「enhance the look」 ### 40. They can be harmed by 40_____ such as mites and borers. They can be harmed by 40_____ such as mites and borers. **答案**：pests 原文定位：Pests pose a significant challenge to these trees, with certain species of insects like borers and mites causing serious leaf damage 同义替换：「can be harmed by」↔「causing serious leaf damage」；「such as」↔「like」 --- 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。