寒假预习：专题07 Unit 4 Plant life 课本知识预习+知识演练（讲义）-2025-2026学年外研版（三起）英语四年级下册

寒假预习：专题07 Unit 4 Plant life课本知识预习+知识演练 2025-2026学年四年级下册英语（外研版） （一）重点词汇 1. 名词（n.）： life 生活，一生 seed 种子 earth 泥土，土壤 root 根 stem 茎，梗 leaf 叶，叶子 sunflower 向日葵 wheat 小麦 cotton 棉花 grain 谷粒 mouse 老鼠 cabbage 卷心菜 paper 纸 2. 动词（v.）： dig 挖，掘 plant 种植 water 浇水 grow 生长 sleep 睡，睡觉 miss 想念 will 将，会 3. 不定代词（pron.）： everything 每件事物，所有事物 （二）重点短语 plant seeds 种种子 water plants 给植物浇水 dig holes 挖洞 look at 看 grow up 长大 in the earth 在泥土里 pick cotton 摘棉花 work in the fields 在田里工作 plant a garden 开辟花园 take care of 照顾 （三）核心句型 1. 询问/描述正在进行的动作： — What are you doing? （你正在做什么？） — We're digging. （我们正在挖洞。） — What are they doing? （他们正在做什么？） — They're planting tomato seeds. （他们正在种西红柿种子。） 2. 询问/描述种子/植物的生长情况： — Are your seeds growing? （你的种子在生长吗？） — Yes, they are. （是的，它们在生长。） — The seeds are growing into small plants. （种子正在长成小植物。） 3. 描述植物的组成部分： — Look at my roots. （看我的根。）My stem is thin. My leaves are green. （我的茎很细，我的叶子是绿色的。） — This plant has long roots and big leaves. （这棵植物有长长的根和大大的叶子。） 4. 描述愿望和梦想： — He wants to grow tall rice plants. （他想种高大的水稻。） — I want to plant a sunflower in my garden. （我想在我的花园里种一棵向日葵。） 5. 描述日常动作和状态： — Grandpa often works in the fields. （爷爷经常在田里工作。） — The sunflower grows tall and strong. （向日葵长得又高又壮。） 知识演练 一、根据句意及首字母提示写单词 1. Put the s__________ in the earth. It will grow into a plant.（把种子放进泥土里，它会长成一棵植物。） 2. We are d__________ holes now. We want to plant trees.（我们现在正在挖洞，我们想种树。） 3. Look at the plant's r__________. They are long and thin.（看这棵植物的根，它们又长又细。） 4. My father often w__________ the flowers in the morning.（我爸爸经常在早上给花浇水。） 5. I have a s__________ seed. I want to plant it in my garden.（我有一颗向日葵种子，我想把它种在我的花园里。） 二、短语匹配 （ ）1. plant seeds A. 给植物浇水 （ ）2. water plants B. 种种子 （ ）3. dig holes C. 长大 （ ）4. grow up D. 挖洞 （ ）5. pick cotton E. 摘棉花 三、单项选择 （ ）1. —What are you doing? —We __________ digging holes. A. am B. is C. are （ ）2. —Are your seeds growing? —__________, they are. A. Yes B. No C. Sorry （ ）3. He wants to __________ tall rice plants. A. grow B. grows C. growing （ ）4. Look at the plant. Its __________ is thin and green. A. root B. stem C. seed （ ）5. My mother often __________ the flowers after breakfast. A. water B. waters C. watering 四、句型转换 1. We're digging.（改为一般疑问句并作肯定回答） — __________ you digging? — Yes, __________ __________. 2. Their seeds are growing.（改为否定句） — Their seeds __________ __________ growing. 3. He is watering the plants.（对划线部分提问） — __________ __________ he doing? 4. Grandpa often works in the fields.（改为一般疑问句） — __________ Grandpa often __________ in the fields? 5. I want to plant a sunflower.（改为否定句） — I __________ __________ to plant a sunflower. 五、补全句子（每空一词） 1. —What are you doing? —I'm __________ __________ (种种子). 2. —Are your seeds growing? —No, they __________. They are not big enough. 3. Put the seed __________ __________ (在泥土里). It will grow soon. 4. The small plant will __________ __________ (长大) into a tall tree. 5. They are __________ __________ (摘棉花) in the field now. 六、情景对话 （ ）1. —What are you doing? —__________ A. I'm planting seeds. B. I plant seeds. C. I want to plant seeds. （ ）2. —Are your seeds growing? —__________ A. Yes, I am. B. Yes, they are. C. No, I can't. （ ）3. —What's this? —__________ A. It's a seed. B. It's growing. C. I'm digging. （ ）4. —What does Grandpa often do? —__________ A. He is working in the fields. B. He often works in the fields. C. He wants to work in the fields. （ ）5. —Look at the plant! —__________ A. Its leaves are green. B. It's digging. C. They are planting it. 七、连词成句 1. you, are, doing, what (?) → ________________________________________ 2. seeds, are, growing, your (?) → ________________________________________ 3. plant, we, seeds, are, tomato (.) → ________________________________________ 4. grandpa, in, works, often, fields, the (.) → ________________________________________ 5. want, I, to, a, sunflower, plant (.) → ________________________________________ 答案 一、1. seed 2. digging 3. roots 4. waters 5. sunflower 二、1.B 2.A 3.D 4.C 5.E 三、1. C 2. A 3. A 4. B 5. B 四、1. Are; we are 2. are not 3. What is 4. Does; work 5. don't want 五、1. planting seeds 2. aren't 3. in the earth 4. grow up 5. picking cotton 六、1. A 2. B 3. A 4. B 5. A 七、1. What are you doing? 2. Are your seeds growing? 3. We are planting tomato seeds. 4. Grandpa often works in the fields. 5. I want to plant a sunflower. ( 1 ) 学科网（北京）股份有限公司 $