Unit 4 Plant life（主题阅读专项训练）英语外研版三起四年级下册（新教材）

Unit 4 Plant life 主题阅读 “植物世界与生长奥秘”主题提炼 本单元学习主题为 Plant life，隶属于 “人与自然” 中 “生物与环境” 主题范畴。模块围绕植物的组成部分、生长过程、用途及相关故事展开，核心目标是让学生认识植物各部位名称，运用特定句型谈论植物种植，讲述植物相关故事，描述植物用途。通过阅读实践，引导学生观察自然、了解植物与人类的密切关系，培养爱护植物、保护环境的意识，同时渗透不同文化中植物的象征意义等文化内涵。 技巧点拨 植物相关信息定位法 在阅读植物主题类文章时，先明确题目核心关键词，如植物部位（root/stem/leaf 等）、动作词（plant/water/dig 等）、用途词（make paper/feed people 等）、疑问词（what/why/how 等），再在文章中快速检索包含这些关键词的句子，结合上下文匹配信息、判断答案。例如，题目询问 “What part of the plant helps it absorb water?” 时，可搜索 “absorb water” 相关描述，锁定 “root（根）” 对应的信息句得出答案。 例：Rice plants need plenty of water and 6-8 hours of sunlight every day. They grow well in warm places. ( )1. Rice plants need little water to grow.（正确填T，错误填F） 分析：题目关键词为 “Rice plants” “need” 和 “little water”，原文明确提到水稻需要 “plenty of water（大量水分）”，与 “little water（少量水分）” 矛盾，因此答案为 F。 原文：Rice plants need plenty of water and 6-8 hours of sunlight every day. A篇 【新题型·多模态语篇】Sam和同学们一起种植植物，下面是他们的种植日记和植物生长情况记录表。请阅读内容，判断句子正（T）误（F）。主题：植物各部位功能 语篇类型：说明类短文 植物的每个部位都有独特功能，以下是植物各部位的介绍，请阅读表格及描述，判断句子正（T）误（F）。 植物部位 功能描述 Root（根） Grows under the earth. It absorbs water and nutrients from the soil to feed the plant. Stem（茎） Stands straight above the ground. It carries water and nutrients to leaves and flowers. Leaf（叶） Usually green. It makes food for the plant with sunlight, water and air. Flower（花） Colorful and beautiful. It can turn into fruit and produce new seeds. Seed（种子） Small and hard. It can grow into a new plant when there is enough water and sunlight. 词汇积累: absorb 吸收； nutrient 营养； soil 土壤； carry 输送； produce 产生； enough 足够的 ( ) 1. Roots grow above the ground and absorb sunlight. ( ) 2. Stems help carry water to leaves. ( ) 3. Leaves make food for the plant with sunlight. ( ) 4. Flowers can turn into seeds directly. ( ) 5. A seed needs water and sunlight to grow into a new plant. B篇 【新题型·任务型阅读】小明种植了一盆向日葵，记录了它的生长过程，请阅读日记内容，完成下列题目。 主题：小明的植物种植日记 语篇类型：日记类短文 词汇积累: shoot 幼苗；pot 花盆；cover 覆盖；bud 花蕾；appear 出现；top 顶部 Dear Diary, I’m so excited to plant sunflower seeds today! Let me write down every important moment. Day 1: I dig a small hole in the pot, put three sunflower seeds in it, and cover them with soil. I water the pot carefully. Day 7: Wow! Little green shoots come out of the soil. They are thin and short. I water them once a day. Day 20: The shoots grow taller. Now they have small leaves. The stem is getting stronger. I put the pot near the window to get enough sunlight. Day 45: The plant has many big green leaves. A small yellow flower bud appears at the top. Day 60: The flower bud opens! It’s a beautiful yellow sunflower. It looks so happy in the sun. 任务一：根据日记内容，为每个时间点匹配对应的生长状态。A. Small green shoots come out. B. A beautiful yellow sunflower opens. C. Put seeds in the soil and water them. D. The plant has big leaves and a small flower bud. E. The shoots grow taller with small leaves. ( ) 1. Day 1 ( ) 2. Day 7 ( ) 3. Day 20 ( ) 4. Day 45 ( ) 5. Day 60 C篇 【新题型·任务型阅读】在不同国家，许多植物有着特殊的象征意义，代表着人们的美好愿望，请阅读短文完成连线题目。 主题：Lucy 的周末情绪日记 语篇类型：日记类短文主题：不同国家的植物象征意义 语篇类型：文化类短文 Different plants have special meanings in different countries. Let's learn about them! In China: Peony is a famous flower. It stands for happiness and prosperity. People often plant peonies in gardens to wish for a good life. In Canada: Maple leaf is the national symbol. It represents courage and unity. You can see maple leaves on Canada's flag. In Japan: Cherry blossom is loved by people. It symbolizes the beauty of life and fleeting time. Every spring, people enjoy the cherry blossoms happily. In the USA: Rose is a popular flower. It means love and friendship. People give roses to their family and friends on special days.词汇积累：symbol 象征； prosperity 繁荣； unity 团结； fleeting 短暂的； national 国家的； represent 代表 任务一：将国家、植物与象征意义连线。 国家 植物 象征意义 1. China A. Maple leaf ① Love and friendship 2. Canada B. Peony ② Courage and unity 3. Japan C. Rose ③ The beauty of life and fleeting time 4. The USA D. Cherry blossom ④ Happiness and prosperity 精益求精 D篇 【新趋势·传统文化】植物与我们的生活息息相关，有着各种各样的用途，请阅读短文，选择正确的答案。 主题：植物的多种用途 语篇类型：介绍类短文 Plants are very useful to humans. We can’t live without them! First, plants give us food. Many vegetables like carrots, cabbage and tomatoes come from plants. Fruits such as apples, bananas and oranges are also from plants. Grains like wheat and rice are important food for people all over the world. Second, plants help us make many things. We use wood from trees to make chairs, tables and houses. Paper is also made from plants. Some clothes, like cotton clothes, are made from cotton plants. Third, plants make our environment beautiful. They produce oxygen to keep the air clean. Flowers and green plants make parks and gardens look pretty. 词汇积累：vegetable 蔬菜；grain 谷物；wood 木材；oxygen 氧气；environment 环境；cotton 棉花 ( ) 1. Which of the following food does NOT come from plants? A. Carrots B. Chicken C. Rice ( ) 2. What can we make from wood? A. Paper B. Chairs C. Cotton clothes ( ) 3. Why are plants good for the environment? A. They produce oxygen B. They are beautiful C. They give us food ( ) 4. What kind of clothes is made from plants? A. Wool coats B. Cotton shirts C. Silk dresses ( ) 5. The passage mainly tells us ______. A. how to grow plants B. the uses of plants C. different kinds of plants E篇 【新题型·图文匹配+任务型阅读】小华的爷爷是一位农民，一辈子和水稻打交道，他有着关于水稻的故事，请阅读短文完成下列题目。主题：爷爷的水稻种植故事 语篇类型：叙事类短文 My Grandpa is a farmer. He has been planting rice for over 30 years. He loves his rice fields very much. Every spring, Grandpa prepares the soil carefully. He digs the earth and makes it soft. Then he plants the rice seedlings in the fields. The fields are filled with water, and the seedlings stand straight in the water. During the summer, Grandpa works hard every day. He waters the rice fields when there is not enough rain. He also removes weeds to help the rice grow well. The rice plants grow taller and taller, and the fields turn green. In autumn, the rice is ripe. The fields become golden. Grandpa harvests the rice with his family. He says the rice grains are the fruits of hard work. He hopes everyone can have enough food to eat. 词汇积累：seedling 秧苗；soft 松软的；remove 清除；weed 杂草；ripe 成熟的；harvest 收割；golden 金黄色的 任务一：根据短文内容，按水稻种植顺序排序（1-4）。 ( ) Harvest the ripe rice. ( ) Plant rice seedlings in the water-filled fields. ( ) Prepare the soil by digging and making it soft. ( ) Water the fields and remove weeds in summer. 任务二：根据短文内容，选择正确的答案。 ( ) 1. How long has Grandpa been planting rice? A. For 10 years B. For over 30 years C. For 50 years ( ) 2. When does Grandpa plant rice seedlings? A. In spring B. In summer C. In autumn ( ) 3. What does Grandpa do in summer to help rice grow? A. He digs the soil B. He harvests the rice C. He waters the fields and removes weeds ( ) 4. What color are the rice fields when the rice is ripe? A. Green B. Golden C. Brown ( ) 5. What does Grandpa hope? A. He can plant more rice B. Everyone can have enough food C. The rice can grow taller 参考答案 A篇 【答案】1. F 2. T 3. T 4. F 5. T 【解析】 1.答案：F 解析：题干意为“根长在地面上，吸收阳光”。原文提到根“Grows under the earth”（长在地下），功能是吸收水分和营养，而非阳光，故答案为F。 2.答案：T 解析：题干意为“茎帮助将水分输送到叶子”。原文明确说明茎“carries water and nutrients to leaves”，与题干一致，故答案为T。 3.答案：T 解析：题干意为“叶子利用阳光为植物制造养分”。原文提到叶子“makes food for the plant with sunlight”，符合题干描述，故答案为T。 4.答案：F 解析：题干意为“花能直接变成种子”。原文指出花“can turn into fruit and produce new seeds”（能变成果实并产生种子），并非直接变成种子，故答案为F。 5.答案：T 解析：题干意为“种子需要水和阳光才能长成新植物”。原文提到种子“can grow into a new plant when there is enough water and sunlight”，与题干一致，故答案为T。 B篇 【答案】任务一：1. C 2. A 3. E 4. D 5. B 【解析】 1.答案：C 解析：Day1的日记内容为“挖坑、放种子、盖土、浇水”，对应选项C。 2.答案：A 解析：Day7的日记提到“小绿苗从土里钻出来”，对应选项A。 3.答案：E 解析：Day20的日记描述“幼苗长高，长出小叶子”，对应选项E。 4.答案：D 解析：Day45的日记提到“植物长出大叶子，顶部出现小花蕾”，对应选项D。 5.答案：B 解析：Day60的日记说明“花蕾开放，变成美丽的向日葵”，对应选项B。 C篇 【答案】 1-B-④；2-A-②；3-D-③；4-C-① 【解析】 1. 答案：1-B-④ 解析：原文提到中国的牡丹（Peony）象征“幸福与繁荣（Happiness and prosperity）”，故连线1-B-④。 2. 答案：2-A-② 解析：原文指出加拿大的枫叶（Maple leaf）代表“勇气与团结（Courage and unity）”，故连线2-A-②。 3. 答案：3-D-③ 解析：原文说明日本的樱花（Cherry blossom）象征“生命之美与短暂时光（The beauty of life and fleeting time）”，故连线3-D-③。 4. 答案：4-C-① 解析：原文提到美国的玫瑰（Rose）意味着“爱与友谊（Love and friendship）”，故连线4-C-①。 D 篇 【答案】1. B 2. B 3. A 4. B 5. B 【解析】 1.答案：B 解析：题干意为“下列哪种食物不是来自植物？”选项A胡萝卜、C大米均来自植物，B鸡肉来自动物，故选B。 2.答案：B 解析：题干意为“我们可以用木材做什么？”原文提到“用木材制作椅子、桌子和房子”，对应选项B。 3.答案：A 解析：题干意为“植物对环境有什么好处？”原文指出“植物产生氧气，保持空气清洁”，对应选项A。 4.答案：B 解析：题干意为“哪种衣服由植物制成？”原文提到“棉质衣服来自棉花植物”，对应选项B。 5.答案：B 解析：题干意为“这篇文章主要告诉我们什么？”文章围绕植物的食物、制作用途、环境作用展开，主要讲述植物的用途，故选B。 E篇 【答案】 任务一：4；2；1；3 任务二：1. B 2. A 3. C 4. B 5. B 【解析】 任务一： 解析：水稻种植顺序为“准备土壤（翻土松土）→ 种植秧苗→ 夏季浇水除草→ 收割成熟水稻”，故排序为4；2；1；3。 任务二： 1.答案：B 解析：题干意为“爷爷种水稻多久了？”原文提到“He has been planting rice for over 30 years”，对应选项B。 2.答案：A 解析：题干意为“爷爷什么时候种植秧苗？”原文明确“Every spring... Then he plants the rice seedlings”，对应选项A。 3.答案：C 解析：题干意为“爷爷夏天做什么帮助水稻生长？”原文提到“ He waters the rice fields... He also removes weeds”，对应选项C。 4.答案：B 解析：题干意为“水稻成熟时，稻田是什么颜色？”原文指出“In autumn... The fields become golden”，对应选项B。 5.答案：B 解析：题干意为“爷爷希望什么？”原文提到“He hopes everyone can have enough food to eat”，对应选项B。 2 / 2 学科网（北京）股份有限公司 $