Unit 4 第5课时 Part B Let’s Learn &Listen and chant（分层作业）英语人教PEP版三年级上册（新教材）

Unit 4 Plants around us 第5课时Part B Let's Learn-Start to read 基础练 一、连线。 1. air 2. flowers 3. trees 4. sun 二、根据提示完成句子。 1. I like ____________(花朵们) very much.  2. Do you like _______________(小草)?  3. I don't like ____________(太阳).  4. Honey, let's buy some ____________(水果).  5. Plants need ____________(空气) and water. 三、单项选择。 (　　) 1. Plants ____ air, water and sun. A. need B. needs C. needing ( )2. Air, water and sun help plants ____. A. grow B. grows C. growing ( )3. These ____ all help plants grow. A. can B. are C. is ( )4. We can ____ new trees. A. plant B. plants C. planting ( )5. Look at the ____. They are beautiful. A. flower B. flowers C. a flower 提升练 四、根据情境选择合适的答语。 ( ) 1. What do plants need? A. It's a plant. B. I like plants. C. They need air, water and sun. ( )2. Can air help plants grow? A. Yes, it can. B. No, it can't. C. Yes, they are. ( )3. Let's water the flowers. A. Good idea! B. Sorry, I am. C. Thank you. ( )4. What can we do for plants? A. It's green. B. We can plant trees. C. I see grass. ( )5. Don't pick the flowers. A. OK. B. Yes, I can. C. No, I don't. 拓展练 五、阅读短文，判断正T误F。 Hello, I'm Lucy. I know many things about plants. Plants need air, water and sun. These help plants grow. We can plant flowers and trees. We can water them. We can't pick flowers. We love green plants. ( )1. Lucy knows about plants. ( )2. Plants need air, water and sun. ( )3. Sun can't help plants grow. ( )4. Lucy can plant flowers. ( )5. We can pick many flowers. 六、【新趋势・思维探究】读懂信息,完成对应练习。 Name Ideas about plants Amy Plants need sun and water. Tom Plants need air. Lily We can plant flowers and water them. ( )1. Amy thinks plants need ____. A. sun and water B. air C. grass ( )2. ____ says plants need air. A. Amy B. Tom C. Lily ( )3. Lily can ____. A. cut flowers B. pick flowers C. plant and water flowers ( )4. Which one is NOT needed for plants? A. air B. cake C. sun ( )5. What can help plants grow? A. Air, water and sun. B. Toys. C. Books. 七、【新情境・生活运用】阅读短文，回答问题。 Hello, I'm Mike. Plants need air, water and sun. My sister and I plant some flowers. We water them every day. The flowers can grow. We can't pick flowers. We want to make our garden beautiful. 1.What do plants need? __________________________________________ 2.Who plants flowers? __________________________________________ 3.What do they do every day? __________________________________________ 4.Can the flowers grow? __________________________________________ 5.Can they pick flowers? __________________________________ 参考解析 基础练 一、连线。 1. air 2. flowers 3. trees 4. sun 二、根据提示完成句子。 答案：1. flowers 2. grass 3. the sun 4. fruit 5. air 解析： 1.中文提示“花朵们”，表示多个花朵，要用flower的复数形式flowers。 2.grass（小草）属于不可数名词，没有复数变化，直接填写grass。 3.sun（太阳）是世界上独一无二的事物，前面必须加定冠词the。 4.frui/t（水果），some后可接不可数名词fruit，泛指水果。 5.air（空气）是不可数名词，无复数形式，直接填写air。 三、单项选择。 A A B A B 解析： 1. Plants _ air, water and sun.主语Plants是复数，谓语动词用原形 need。选 A。 2. Air, water and sun help plants _.固定搭配：help sb./sth. do sth.（帮助某物做某事），后面接动词原形 grow。选 A。 3. These _ all help plants grow.These（这些）是复数指示代词，be 动词用are。选 B。 4. We can _ new trees.情态动词can后面必须接动词原形 plant。选 A。 5. Look at the _. They are beautiful.后一句They（它们）说明前面名词是复数，flower复数是flowers。选 B。 提升练 四、根据情境选择合适的答语。 答案：1. C 2. A 3. A 4. B 5. A 解析： 1. 问句询问植物需要什么，回答生长所需条件。 2. 空气可以帮助植物生长，肯定回答。 3. 别人提议浇花，用 Good idea! 表示赞同。 4. 问句询问我们能为植物做什么，回答可以种树。 5. 劝阻不要摘花，应答 OK，表示遵守。 拓展练 五、阅读短文，判断正T误F。 答案：1. T 2. T 3. F 4. T 5. F 解析： 1. Lucy knows about plants.原文：I know many things about plants. → 正确 T 2. Plants need air, water and sun.原文原句，正确 T 3. Sun can't help plants grow.原文说 air, water and sun 帮助植物生长，题目说阳光不能，错误 F 4. Lucy can plant flowers.原文：We can plant flowers and trees. → 正确 T 5. We can pick many flowers.原文：We can't pick flowers. 我们不能摘花，题目说可以摘很多花，错误 F 六、读懂信息,完成对应练习。 答案：1. A 2.B 3.C 4. B 5. A 解析： 1. 表格 Amy 对应的观点：Plants need sun and water. 2. 表格Tom 认为植物需要空气。 3. Lily 可以种植并浇灌花朵 4. 蛋糕 (cake) 不是植物生长必需条件。 5. 空气、水、阳光能够帮助植物生长。 七、阅读短文，回答问题。 答案： 1. They need air, water and sun. 2.Mike and his sister plant flowers. 3.They water the flowers every day. 4.Yes, they can. 5.No, they can't. 解析：直接提取短文信息。 1 / 1 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $