2026春单元知识清单＆易错练习 Unit 4 Plant life 四年级英语下 外研版（三起）新教材

2026春单元知识清单&易错练习 Unit 4 Plant life 外研版(三起) 四下 语音： 字母Ee发/iː/ 音，例：he 他 she 她 we 我们 重点单词： seed 种子，籽 stem(植物的)茎，梗，柄 root 根 cabbage 卷心菜，洋白菜，甘蓝 sunflower 向日葵 miss 想念，思念，怀念(某人) leaf 叶，叶子 life 一生，生活 wheat小麦 thin 细的 cotton棉花，棉株 paper 纸 grain 谷粒 earth泥土，土壤 dig 挖，掘 sleep 睡，睡觉 mouse 老鼠 will 将，会，要(用于构成将来时) everything 每件事物；所有事物 重点短语： plant seeds播种 water the wheat给小麦浇水 pick cotton摘棉花 play with...和……玩 in the fields 在田野里 parts of the plants 植物的各部分 work hard努力工作 make a small garden 建造一个小花园 come true实现 grow tall rice plants 种植高大的水稻植株 come from 来自 use plants to make paper 用植物造纸 grow plants 种植植物 dig the earth 挖泥土 plant journal 植物日记 big grains 饱满的谷粒 In the earth 在泥土里 feed the world 养活世界 take care of 照顾 uses of plants 植物的用处 grow up 长大 water the plants 给植物浇水 grow into 长成 重点句型： 1.—What are you doing?—We're digging. —你们正在做什么？—我们在挖。 2.—Are your seeds growing?—Yes, they are. —你的种子在生长吗？—是的，它们在生长。 3.—Is he watering the wheat? —Yes,he is. —他正在浇小麦吗?—是的，他正在浇。 4.—What are they doing? —They're picking cotton. —他们正在做什么?—他们正在摘棉花。 5.—What are they doing? —They're planting tomato seeds. —他们正在做什么?—他们正在种西红柿种子。 6.—What do we use plants for? —We use plants to make paper and we also use them to make food。 —我们用植物来做什么?—我们用植物造纸，也用它们制作食物。 7.—What parts of the plant can you see? —I can see the roots,the stem and the leaves。 —你能看到植物的哪些部分? —我能看到根，茎和叶子。 8.I've got sunflower seeds. 我有向日葵种子。 9.We use plants to make paper. 我们用植物造纸。 10.He will grow tall rice plants. 他想种高大的水稻。 11.The seed will grow into a big tree. 这颗种子将会长成一棵大树。 12. I think his dreams will come true. 我认为他的梦想将会实现。 13.Grandpa often works in the fields. 爷爷经常在田里工作。 14.I want to plant a sunflower in my garden. 我想在我的花园里种一棵向日葵。 15.The sunflower grows tall and strong. 向日葵长得又高又壮。 16.The seeds are growing into small plants. 种子正在长成小植物。 17.My stem is thin. My leaves are green. 我的茎很细，我的叶子是绿色的。 18.This plant has long roots and big leaves. 这棵植物有长长的根和大大的叶子。 19.Grandpa has two dreams.He wants to grow tall rice plants with big grains。 爷爷有两个梦想，他想种出高个子，谷粒饱满的水稻。 20.He also wants to feed the world with his rice。 他还想用水稻养活全世界 21. think his dreams will come true。 我认为他的梦想会实现。 句型解析和语法： 1.询问当前动作的问句及答语： —What are you doing?—We're digging. —你们正在做什么？—我们在挖。 句型结构： —What+be动词+主语+doing? —主语+be动词+动词-ing形式. 2. 询问当前动作是否发生的问句及答语： —Are your seeds growing? —Yes, they are. —你的种子在生长吗？—是的，它们在生长。 句型结构： —Be动词+主语+动词-ing? —Yes, 主语+be动词. / No,主语+be动词+not. 3. 表示某人拥有某物： I've got sunflower seeds. 我有向日葵种子。 句型结构： 主语+have / has got+某物. 4.表示用某物制作某物： We use plants to make paper. 我们用植物造纸。 句型结构： 主语+use(s)+某物+to make+某物. 5.动词-ing形式的变形规则： 一般情况直接加 -ing；以不发音的字母 e 结尾：去 e 加 -ing；以重读闭音节结尾，且末尾只有一个辅音字母：双写辅音字母加 -ing；以 ie 结尾：变 ie 为 y 加 -ing。 易错练习： 一、根据图片或首字母提示补全句子。 1. The boy is________under the tree. 2. The cat has got a________. 3. Grandpa wants to grow rice plants with big________. 4. This plant has red _________. 5. My T-shirt comes from ________. It's soft. 6. — What's your favourite plant?— I like ____________ best. 7. — What are they doing?—They are planting _________. 8. — Which part of the plant is it?— It's the __________. 9.—Which part of the plant is it? —It's the r________. 10. Yuan Longping helps the world.I m________him. 二、用单词的适当形式填空。 1. Look! The boy __________ (dig) the earth. 2. The ________ (leaf)are green and yellow. 3. Look at the stem! It _____________ (grow) so fast! 4. I ________ (be) watering the wheat. 5. —What are they ________ (do) now? —They are picking cotton. 6. Look! She is ___________ (plant) a rose in the garden. 7. My mom __________ (water) the flowers every morning. 8. We are __________ (make) a small garden. 9. They are __________ (cut) roses in the garden. 10. Mike is __________ (lie) on the grass. 3、 按要求完成下面各题。 1. He can water the plants well.(改为一般疑问句) ________ ________water the plants well? 2.They are planting tomato seeds in the garden.(改为否定句) They________ ________tomato seeds in the garden. 3.We will grow sunflowers in the school plant corner.(对画线部分提问) ________ ________you________in the school plant corner? 4.The girls look after the young plants carefully.(用now改写为现在进行时) The girls________ ________after the young plants carefully________ . 5. He is good at growing bean seeds.(改为同义句) He________ ________in growing bean seeds. 6. I like staying with my grandma.(改为否定句) I________ ________ staying with my grandma. 7.He works in the fields every day.(对画线部分提问) ________ ________he ________every day? 8. seeds, we,in, plant, spring (.)(连词成句) __________________________________ 9. fall, leaves, autumn, in, off(.)(连词成句) __________________________________ 10. is, this, a, sunflower, lovely (.)(连词成句) __________________________________ 四、单项选择。 ( )1. Grandpa often _______ in the fields. A. work B. working C. works ( ) 2.His dream________come true.He is very happy. A.will B.is C.does ( )3. Li Ming _______ playing in the fields. A. like B. is liking C. likes ( ) 4. Mike wants to plant potatoes. And he________ wants to plant tomatoes. A.to B. too C. also ( ) 5. My mother likes________because they are lovely. A.sunflowers B.T-shirts C.parties ( ) 6.The________of the tree are under the earth. A.stems B.roots C.leaves ( ) 7.Farmers________the earth to plant seeds in spring. A.dig B.digs C. digging ( ) 8.—Where do you find cotton?—In the________ A.forest B.field C.station ( ) 9.I like________in the park with my friends. A.play B.playing C.to playing ( ) 10.—________do you plant flowers? —In the garden. A.What B.Where C.Who ( ) 12.My father________a teacher.He________English in a school. A. is; teach B.are;teaches C.is; teaches 参考答案： 一、 1.sleeping 2.mouse 3.grains 4.leaves 5.cotton 6.sunflowers 7.wheat 8.seed 9.root 10.miss 二、 1.is digging 2.leaves 3.is growing 4.am 5.doing 6.planting 7.waters 8.making 9.cutting 10.lying 三、 1.Can he 2.aren't planting 3.What will; do 4.are looking;now 5.does well 6.don't like 7.Where does; work 8. We plant seeds in spring. 9. Leaves fall off in autumn. 10. This is a lovely sunflower. 四、 1.C 2.A 3.C 4.C 5.A 6.B 7.A 8.B 9.B 10.B 11.C 学科网（北京）股份有限公司 $