Unit 1 The School Garden（知识清单）英语教科版四年级下册（新教材）

Unit 1 The School Garden 知 识 归 纳 语音 短元音a的发音/æ/： at组合：at, cat, rat, hat an组合：can, fan, man am组合：jam, yam, ham 必记单词 sun 太阳 strong 强烈的；强壮的 wind 风 fruit 水果 thin 薄的；瘦的 tall 高大的 grass 草 vegetable 蔬菜 grow 种植；生长 carrot 胡萝卜 fresh 新鲜的；清新的 bamboo 竹子 winter 冬季 summer 夏季 apple 苹果 umbrella 雨伞 delicious 美味的 live 存活；居住 easy 容易的，轻松的 star 星星 rose 玫瑰 those 那些 常考短语 a fruit tree 一棵果树 strong wind 强风 beautiful flowers 美丽的花 green grass 绿色的草 green vegetables 绿色蔬菜 an apple tree 一棵苹果树 easy to grow 好种，易活 必会句型 1. 描述事物特征句型： The + 事物 + is/are + 形容词. 例：The fruit tree is big and strong. 这棵果树又大又壮。 The sunflowers are beautiful. 这些向日葵很漂亮。 2. 表达想要种植某物及原因句型： I want to grow ... because ... 例：I want to grow carrots because we can have fresh salad. 我想种胡萝卜，因为我们可以吃新鲜的沙拉。 3. 情景交际——询问与介绍句型： —What are these/those? 这些 / 那些是什么？ —They are ... 它们是…… —Can you tell me about them? 你能给我讲讲它们吗？ —Welcome to our school garden. 欢迎来到我们的校园花园。 4. 表达喜好及原因句型： I like ... because ... 例：I like bamboo because it’s strong and tall. 我喜欢竹子，因为它又高又壮。 核心语法 1. be 动词（is/are）描述事物特征的用法（单复数对应） 2. 连词 because 表原因的基本用法（接简单句说明理由） 3. 指示代词 this/these/that/those 的用法（单复数 + 远近指代） 4. 一般现在时简单陈述句（植物特征 / 习性描述，实义动词原形） 考 点 速 记 考点 01 be 动词（is/are）描述事物特征的用法（单复数对应）The fruit tree is big and strong. 这棵果树又大又健壮。 Sunflowers are beautiful. 向日葵很漂亮。 ①主语为单数事物（the tree/bamboo/sunflower）时，用 is。例： The apple tree is big. 这棵苹果树很大。 ②主语为复数事物（the flowers/vegetables/trees）时，用 are。例： The roses are beautiful. 这些玫瑰很漂亮。 [拓展] 多个形容词描述事物，用 and 连接。例： The bamboo is thin and tall. 这根竹子又细又高。 提分练 一、用 is/are 填空 1.The sunflower ________ big and yellow. 2.The green vegetables ________ good for our body. 3.The bamboo ________ thin and tall. 4.The roses ________ beautiful in spring. 5.The potato plant ________ green. 6.The fruit trees ________ strong in the wind. 7.The grass ________ small but lovely. 二、用所给形容词完成句子（用 is/are 连接） 1.The apple tree (big, strong) ________________________. 2.The sunflowers (beautiful, tall) ________________________. 3.The bamboo (thin, straight) ________________________. 4.The roses (small, nice) ________________________. 5.The green vegetables (fresh, healthy) ________________________. 考点 02 连词 because 表原因的用法I want to grow green vegetables because they are good for our body. 我想种植绿色蔬菜，因为它们对我们的身体有益。 1. 基本结构：I like/want to grow ... + because + 原因简单句，because 后接完整的句子说明理由。 2. 常用原因表达：they look beautiful/we can eat them/they are easy to grow 等。例： I want to grow apple trees because they give us apples. 我想种植苹果树，因为它们能结出苹果。 提分练 一、用 because 连接两个句子 1.I want to grow sunflowers. They always face the sun. ____________________________________________________ 2.I like bamboo. It stays green in winter. ____________________________________________________ 3.We grow potatoes. They are easy to grow. ____________________________________________________ 4.She wants to grow roses. They look beautiful. ____________________________________________________ 5.They grow fruit trees. They are home to birds. ____________________________________________________ 二、根据中文提示完成句子 1.我想种胡萝卜因为它们对我们的身体有益。 I want to grow carrots ________ they are ________ ________ our body. 2.我喜欢向日葵因为它们又大又漂亮。 I like sunflowers ________ ________ are big and beautiful. 3.我们想种苹果树因为它们能给我们苹果。 4.We want to grow apple trees ________ ________ give us apples. 5.她想种玫瑰因为它们看起来很漂亮。 She wants to grow roses ________ ________ look beautiful. 6.我想种竹子因为它在冬天保持绿色。 I want to grow bamboo ________ ________ stays green in winter. 考点 03 指示代词 this/these/that/those 的用法These are sunflowers. Those are potatoes. 这些是向日葵。那些是土豆。 1. 单复数：this/that 指代单数事物，these/those 指代复数事物； 2. 远近：this/these 指近处的事物，that/those 指远处的事物。 3. 常用句型： —What is this/that? —It’s ... —What are these/those? —They are ... 提分练 一、用 this/these/that/those 填空 1.—What is ________? —It’s a sunflower.（近处） 2.—What are ________? —They are potatoes.（远处） 3.________ is a bamboo. It’s near the door.（近处） 4.________ are green vegetables. They are in the box.（近处） 5.—What is ________ over there? —It’s an apple tree.（远处） 6.________ are roses. They are by the window.（远处） 7.Look at ________! It’s a tomato.（近处） 8.________ are grass. They are green and soft.（近处） 二、按要求改写句子 1.This is a fruit tree.（改为复数句） _________________________________________ 2.Those are beautiful flowers.（改为单数句） _________________________________________ 3.This is a sunflower.（对画线部分提问） _________________________________________ 4.Those are green vegetables.（对画线部分提问） _________________________________________ 5.Is this a bamboo?（作肯定回答） _________________________________________ 6.Are those potato plants?（作否定回答） _________________________________________ 考点 04 一般现在时简单陈述句（植物特征 / 习性）It also stays green in winter. 它在冬天的时候也是保持绿色的。 1. 描述植物特征 / 习性用一般现在时，实义动词用原形； 2. 单数主语：It + 实义动词原形 / It is + 形容词；例： It stays green. / It is tall. 它始终是绿色的。/ 它很高。 3. 复数主语：They + 实义动词原形 / They are + 形容词；例： They face the sun. / They are beautiful. 他们面向太阳。/ 他们很美。 提分练 一、根据提示完成句子 1.The bamboo ________ (保持绿色) in winter. 2.Sunflowers ________ (朝着太阳) all day. 3.The apple tree ________ (给我们苹果) in autumn. 4.The roses ________ (看起来漂亮) in spring. 5.Potatoes ________ (容易种植). 6.The grass ________ (变绿) in spring. 7.Fruit trees ________ (是鸟儿的家园). 二、判断句子正误，对的打√，错的打 × 并改正 1.The sunflower face the sun. ( ) ____________ 2.Bamboo stay green in winter. ( ) ____________ 3.The roses looks beautiful. ( ) ____________ 4.Potatoes is easy to grow. ( ) ____________ 5.The grass is green and soft. ( ) ____________ 6.Apple trees give us apples. ( ) ____________ 参考答案 考点 01 be 动词（is/are）描述事物特征的用法 一、1. is 2. are 3. is 4. are 5. is 6. are 7. is 二、1. The apple tree is big and strong. 2. The sunflowers are beautiful and tall. 3. The bamboo is thin and straight. 4. The roses are small and nice. 5. The green vegetables are fresh and healthy. 考点 02 连词 because 表原因的用法 一、1. I want to grow sunflowers because they always face the sun. 2. I like bamboo because it stays green in winter. 3. We grow potatoes because they are easy to grow. 4. She wants to grow roses because they look beautiful. 5. They grow fruit trees because they are home to birds. 二、1. because; good for 2. because they 3. because they 4. because they 5. because it 考点 03 指示代词 this/these/that/those 的用法 一、1. this 2. those 3. This 4. These 5. that 6. Those 7. this 8. These 二、1. These are fruit trees. 2. That is a beautiful flower. 3. What is this? 4. What are those? 5. Yes, it is. 6. No, they aren't. 考点 04 一般现在时简单陈述句（植物特征 / 习性） 一、1. stays green 2. face the sun 3. gives us apples 4. look beautiful 5. are easy to grow 6. turns green 7. are home to birds 二、1. ×; faces 2. ×; stays 3. ×; look 4. ×; are 5. √ 6. √ 第 1 页 共 7 页 学科网（北京）股份有限公司 $