Unit 4 第2课时 Discover & Develop（分层作业）英语人教大同版三年级下册（新教材）

Unit 4 Actions 第2课时 Discover & Develop 基础练 一、选择正确选项。 ( )1. 笑；发笑 A. sleep B. laugh C. read ( )2. 睡觉 A. eat B. play C. sleep ( )3. draw A. 画；描画 B. 喝 C. 吃 ( )4. sing A. 读；朗读 B. 唱（歌） C. 玩耍 ( )5. drink A. 吃 B. 喝 C. 笑 二、【新题型·思维导图】请将下列单词根据“s”和“d”的发音规则分类 A. six B. dad C. sad D. Sam E. David F. mad G. do H. sing 三、根据句意及首字母提示补全单词 1. My sister likes to s______ songs for us every evening. 2. Don’t talk! The baby is s______ in the room. 3. We often p______ games with our friends after school. 4. He is d______ a picture of a bird now. 5. She is t______ thirsty. She wants to d______ some water. 提升练 四、选择题 ( )1. —What ______ you doing? —We are playing football. A. am B. is C. are ( )2. My brother ______ reading a book under the tree now. A. is B. are C. am ( )3. —Is she drawing a flower? —No, she ______. She is eating fruit. A. is B. isn’t C. doesn’t ( )4. They ______ singing and dancing at the party. A. am B. is C. are ( )5. David ______ mad at Sam. Sam is sad. A.am B. is C. are 五、连词成句 1.is; drawing; She; a; scarecrow (.)______________________________________________ 2. are; We; playing; games; in; the; fields (.)____________________________________________ 3. sleeping; The; baby; is; quietly (.)_______________________________________ 4. not; He; is; reading; a; book (.)_____________________________________________ 5. doing; What; they; are (?)______________________________________ 六、根据句子情境用合适的介词填空（如图）。 1. Look! The girl ______ (sing) a beautiful song. 2. My parents ______ (drink) tea in the living room now. 3. I ______ (draw) a picture of my family. 4. The children ______ (play) football on the playground. 5. What ______ your brother ______ (do) now? 七、句型转换 1.  He is sleeping in the bed.（改为一般疑问句） ____________________________________________ 2. We are playing games.（对画线部分提问） ____________________________________________ 3. She is drawing a flower.（改为否定句） ____________________________________________ 4. Are they eating fruit?（作肯定回答） ____________________________________________ 5. I am reading a storybook.（改为复数句） ____________________________________________ 八、阅读短文，完成下面选择题。 My Happy Weekend Hello, I’m Wenbo. I have a happy weekend. On Saturday morning, I am drawing a picture in my room. My mother is cooking breakfast for us. My father is reading a newspaper. In the afternoon, my friends and I are playing football in the park. On Sunday, we are going to the fields. I am going to draw some flowers. My sister is going to sing songs. My brother is going to read a book under a big tree. We are going to have a good time! 根据短文内容，选择最佳答案。 ( )1. What is Wenbo doing on Saturday morning? A. Cooking breakfast. B. Drawing a picture. C. Reading a newspaper. ( )2. Who is cooking breakfast on Saturday morning? A. Wenbo’s mother. B. Wenbo’s father. C. Wenbo’s sister. ( )3. Where are Wenbo and his friends playing football on Saturday afternoon? A. In the fields. B. In the park. C. In the room. ( )4. What is Wenbo going to do in the fields on Sunday? A. Sing songs. B. Read a book. C. Draw some flowers. ( )5. What is Wenbo’s brother going to do in the fields? A. Read a book. B. Play football. C. Cook food. 九、【新题型·任务型阅读】阅读短文完成任务 In the Fields It’s a sunny day. Many children are in the fields. Look! Shiyao is drawing a butterfly. It’s very beautiful. Shiyue is singing a song. Her voice is nice. Wenbo is reading a storybook under a tree. Mingyu is playing with a dog. The dog is running and jumping. The baby is sleeping in her mother’s arms. All the children are happy! Task 1：根据短文内容，判断正（T）误（F） ( )1. It’s a rainy day today. ( )2. Shiyao is drawing a butterfly. ( )3. Shiyue is reading a book. ( )4. Mingyu is playing with a cat. ( )5. The baby is sleeping. Task 2：根据短文内容，回答问题 1. What is Shiyao doing? 2. What is Shiyue doing? 3. Where is Wenbo reading a storybook? 4. What is the dog doing? 拓展练 十、【新情境·图文写作】根据图片所给的信息（提示：图片展示多个孩子在户外进行不同动作，如画画、唱歌、读书、玩耍等），写几句话描述孩子们在户外的活动。 ________________________________________________________________________________ _________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________ 参考解析 基础练 一、选择正确选项。 1-5 B C A B B 二、【新题型·思维导图】请将下列单词根据“s”和“d”的发音规则分类 - 发 /s/ 音：A C D H - 发 /d/ 音：B E F G 【解析】根据单元Develop部分“s”（six）和“d”（dad）的发音规则分类，强化语音考点。 三、根据句意及首字母提示补全单词 1. sing 2. sleeping 3. play 4. drawing 5. very; drink 【解析】 1. 由“songs”及语境，推测为“唱歌”，用sing。 2. 由“Don’t talk!”可知“婴儿在睡觉”，用sleeping（现在进行时）。 3. 固定搭配play games（玩游戏），用play。 4. 由“a picture”及首字母“d”，推测为“画画”，用drawing（现在进行时）。 5. 第一空修饰thirsty，用very（非常）；第二空“喝水”用drink，want to后接原形。 提升练 四、选择题 答案：1-5 C A B C B 【解析】 1. 主语you搭配be动词are，现在进行时结构为are+doing，故选C。 2. 主语my brother为第三人称单数，be动词用is，故选A。 3. 以Is she开头的一般疑问句，否定回答用“No, she isn’t.”，故选B。 4. 主语they为复数，be动词用are，故选C。 5. 主语David为第三人称单数，be动词用is，故选B。 五、连词成句 1. She is drawing a scarecrow. 2. We are playing games in the fields. 3. The baby is sleeping quietly. 4. He is not reading a book. 5. What are they doing? 六、根据句子情境用合适介词填空. 1. is singing 2. are drinking 3. am drawing 4. are playing 5. is; doing 七、句型转换 1. Is he sleeping in the bed? 解析：现在进行时的一般疑问句，将be动词is提到句首。 2. What are you doing? 解析：对“正在做的事情”提问，用What+be+主语+doing?，主语we变you。 3. She is not drawing a flower. / She isn’t drawing a flower. 解析：现在进行时的否定句，在be动词后加not。 4. Yes, they are. 解析：以Are they开头的一般疑问句，肯定回答用“Yes, they are.”。 5. We are reading storybooks. 解析：I变we，am变are，a storybook变复数storybooks。 拓展练 八、阅读短文，完成下列选择题。 1-5 B A B C A 【解析】 1. 由“On Saturday morning, I am drawing a picture in my room.”可知选B。 2. 由“My mother is cooking breakfast for us.”可知选A。 3. 由“In the afternoon, my friends and I are playing football in the park.”可知选B。 4. 由“I am going to draw some flowers.”可知选C。 5. 由“My brother is going to read a book under a big tree.”可知选A。 九、【新题型·任务型阅读】阅读短文完成任务 Task 1：1-5 F T F F T 【解析】 1. 短文首句“It’s a sunny day.”可知为晴天，故F。 2. 由“Shiyao is drawing a butterfly.”可知T。 3. 由“Shiyue is singing a song.”可知不是读书，故F。 4. 由“Mingyu is playing with a dog.”可知是狗不是猫，故F。 5. 由“The baby is sleeping in her mother’s arms.”可知T。 Task 2： 1. She is drawing a butterfly. 2. She is singing a song. 3. Under a tree. 4. It is running and jumping. 拓展练 十、图文写作（例文） It’s a sunny afternoon. Many children are playing in the park. Look! Lily is drawing a beautiful flower. Tom is singing a song with his friends. Lucy is reading a storybook under a big tree. Jack and Mike are playing football on the grass. They are all having a good time! /s/ 1.__________ 2.__________ 3.__________ 4.__________ /d/ 1.__________ 2.__________ 3.__________ 4.__________ 2 / 2 学科网（北京）股份有限公司 $