Unit 6 What's amazing about plants 第3课时 Communicate & Extend (同步练)-2026-2027学年沪教版英语四年级上册（新教材）

Unit 6 What's amazing about plants 第3课时 Communicate & Extend (同步练)-2026-2027学年沪教版英语四年级上册（新教材） 班级：__________　　姓名：__________　　 基础练 一、情景交际。选择最佳答案。 （　　）1. 老师问你知道植物的哪些部位，你会回答：______ A. I know the flower, leaf, fruit and root. B. I know the dog, cat and rabbit. C. I know red, blue and yellow. （　　）2. 同学问你向日葵种子能用来做什么，你会回答：______ A. They can make toys.　　 B. They can make oil.　　 C. They can make clothes. （　　）3. 妈妈问你种子放哪里了，你会回答：______ A. I put it in the soil.　　 B. I put it in the fridge.　　 C. I like it. （　　）4. 爸爸问这株植物有没有花，你会回答：______ A. It has green leaves.　　 B. It doesn't have a flower.　　 C. It is very tall. （　　）5. 朋友问向日葵为什么令人惊叹，你会回答：______ A. Because it can't grow. B. Because it grows from a seed to a tall plant with many seeds. C. Because it only lives for one day. （　　）6. 你想知道根往哪里生长，你会问：______ A. Why do roots grow down? B. What colour are the leaves? C. Where is the flower? 二、从Ⅱ栏中选出Ⅰ栏各句的最佳答语。 Ⅰ （　　）1. What parts of a plant do you know? （　　）2. What can people make from sunflower seeds? （　　）3. Where do you put the sunflower seed? （　　）4. Does the plant have roots? （　　）5. How do plants help us? （　　）6. Are sunflowers amazing? Ⅱ A. They can make oil. B. No, it doesn't. C. They help keep the air clean. D. I know the flower, leaf and root. E. Yes, they are. F. In the soil. 三、选词填空。用方框中的词补全对话，每空一词。 plant　　root　　leaves　　flower　　soil　　seeds A: Look at this (1)________. Do you know its parts? B: Yes. It has green (2)________, a long stem, and a yellow (3)________. A: What's under the ground? B: The (4)________. They grow down into the (5)________. A: How can the plant make new plants? B: It has (6)________. People can plant them. 提升练 四、阅读短文，判断下列句子正误，正确的写“A”，错误的写“B”。 A Peach Tree A peach tree comes from a seed. We put the seed in the soil. It likes sunlight and water. Day after day, it becomes a tree. It's warm now. The tree has pink flowers. Honeybees come and help. We can see the green peaches on the tree. Peaches are big and pink in summer. They are sweet and yummy. We can pick the pink peaches and eat them. In autumn, the leaves fall. In winter, the weather is cold. The peach tree sleeps. But when it's warm again, it wakes up and has flowers and peaches again. （　　）1. A peach tree comes from a seed.　 （　　）2. Peach flowers are yellow.　 （　　）3. Peaches are big and pink in summer.　 （　　）4. Honeybees come and help the peach tree.　 （　　）5. In winter, the peach tree has many leaves.　 （　　）6. The peach tree has flowers and peaches again when it's warm.　 五、阅读短文，选择最佳答案。 The Life Cycle of a Papaya Plant Papaya plants grow in warm places. It all starts with a small black seed. People put the seed in soft soil. After some days, the seed drinks water. It opens and grows a tiny root and a green shoot. This is called a sprout. The little plant grows bigger. It has green leaves and becomes a young tree. When the tree is strong, white flowers bloom on its branches. Honeybees visit these flowers. The flowers develop into green fruits. Slowly, the fruits become big and yellow. Inside each fruit, there are many black seeds. These seeds can be planted again to grow new papaya plants. The life cycle never ends! （　　）1. Where do papaya plants grow? A. In cold places.　　 B. In warm places.　　 C. In dry places. （　　）2. What can the seed do after it is planted? A. It drinks water.　　 B. It sleeps.　　 C. It flies away. （　　）3. What is the young plant with a tiny root and a green shoot called? A. A fruit.　　 B. A flower.　　 C. A sprout. （　　）4. What colour are the papaya flowers? A. White.　　 B. Yellow.　　 C. Pink. （　　）5. Who visits the flowers? A. Honeybees.　　 B. Birds.　　 C. Fish. （　　）6. What can people do with the seeds inside the fruit? A. Make oil.　　 B. Plant them again.　　 C. Throw them away. 六、阅读短文，回答问题。 Sunflowers are amazing plants. A sunflower starts from a small seed. We put the seed in the soil in spring. The seed drinks water and grows a root. The root grows down into the soil. Soon, a green shoot comes out, and the stem grows tall and strong. The plant has big green leaves and a large yellow flower. The flower turns to face the sun. In summer, the flower has many seeds. People can make oil from the seeds. We can also eat the seeds. In autumn, the seeds fall into the soil. New sunflowers will grow next year. 1. When do we put the sunflower seed in the soil? 　　____________________________________ 2. What does the root do? 　　____________________________________ 3. What colour is the sunflower's flower? 　　____________________________________ 4. What can people make from the seeds? 　　____________________________________ 5. Where do the seeds fall in autumn? 　　____________________________________ 6. Will new sunflowers grow next year? 　　____________________________________ 拓展练 七、将下列句子重新排列，使其成为一段通顺的短文，把序号写在横线上。 A. The seed drinks water and grows a small root. B. Then a green shoot comes out and the stem grows tall. C. A sunflower starts from a small seed. D. Soon, it has a big yellow flower. E. People can make oil from the seeds. F. Finally, the flower has many seeds. 正确顺序：______ → ______ → ______ → ______ → ______ → ______ 参考答案与解析 一、情景交际。选择最佳答案。 1. A　2. B　3. A　4. B　5. B　6. A 【解析】 1.问“植物有哪些部位”，答 I know the flower, leaf, fruit and root.； 2. 向日葵种子可制油，答 They can make oil.； 3. 种子放进土里，答 I put it in the soil.； 4. 用 doesn't have a flower 表示“没有花”； 5. 用 because 说明原因，描述向日葵从种子长成高大的植物； 6. 询问根往哪里生长用 Why do roots grow down? 二、从Ⅱ栏中选出Ⅰ栏各句的最佳答语。 1. D　2. A　3. F　4. B　5. C　6. E 【解析】 1.问“认识哪些部位”→答部位； 2. 问“能制成什么”→答 They can make oil.； 3. 问“把种子放哪里”→答地点 In the soil.； 4. Does 开头的疑问句→答 No, it doesn't.； 5. 问“植物怎样帮助我们”→答 They help keep the air clean.； 6. Are 开头的一般疑问句→答 Yes, they are. 三、选词填空。用方框中的词补全对话，每空一词。 1. plant　2. leaves　3. flower　4. root　5. soil　6. seeds 【解析】对话谈论植物的部位与生长。由上文的 stem（茎）可知 (2) 为 leaves（叶）、(3) 为 flower（花）；“地下的部分”是 root（根），长在 soil（土）里；植物靠 seeds（种子）繁殖。 四、阅读短文，判断下列句子正误，正确的写“A”，错误的写“B”。 1. A　2. B　3. A　4. A　5. B　6. A 【解析】短文介绍桃树生长：由种子长成，开粉色的花，蜜蜂来帮忙，夏天结出又大又粉的桃子；秋天落叶，冬天落叶休眠。据此：2“花是黄色的”与原文 pink 不符；5“冬天有许多叶子”与原文 leaves fall 不符。 5、 阅读短文，选择最佳答案。 1. B　2. A　3. C　4. A　5. A　6. B 【解析】短文介绍木瓜的生命周期：生长在温暖的地方（warm places）；种子入土后喝（drinks water）水并长出小根和绿芽；这个小苗叫 sprout；开白色的花（white flowers）；蜜蜂（honeybees）来访花；果实里的种子可以再次种下（plant them again）。 六、阅读短文，回答问题。 1. In spring.　 2. It grows down into the soil.　 3. Yellow.　 4. Oil.　 5. Into the soil.　 6. Yes, they will. 【解析】答案均可在短文中找到：春天把种子放进土里；根向下长进土里；花是黄色的；人们可用种子制油；秋天种子落进土里；第二年会长出新的向日葵。 七、将下列句子重新排列，使其成为一段通顺的短文，把序号写在横线上。 正确顺序：C → A → B → D → F → E 【解析】短文按向日葵的生长顺序展开：从一颗种子开始→种子喝水生根→长出绿芽、茎长高→开出大黄花→花结出许多种子→人们用种子制油，故顺序为 C、A、B、D、F、E。 第 1 页 共 6 页 学科网（北京）股份有限公司 $