Unit 1 大课文分层练及作文专项 2025-2026学年人教版七年级英语下册

该初中英语单元学案以“句子结构”为核心，围绕简单句、并列句、复合句的掌握设计整体学习目标，通过分层翻译练习（主系表/非主系表简单句、并列句、复合句）与仿写、写作任务的递进关联，构建从基础句型识别到综合语言运用的完整学习路径。 亮点在于“仿写-写作”的能力进阶设计，学生通过仿写描述外貌（They have...）、能力（They can...）等句子，结合“My Favourite Animal”写作任务，系统提升语言表达的准确性与逻辑性，培养语言能力和思维品质。每类句型配备核心概念解析与参考答案，为学生自主复习提供支架，也为教师实施单元分层教学提供清晰指导。

U1句子分层翻译练习 说明：先判断句型，再将中文翻译成英文，注意书写规范。 1、 简单句（主系表结构：主语 + be动词 + 表语） 核心概念：只包含一个主谓结构的句子，是英语句子的基础形式。 1. 嗨，我是Malee。 ____________________________________________________ 2. 它们很大。 ____________________________________________________ 3. 它们是好的游泳者。 ____________________________________________________ 4. 它们也很聪明。 ____________________________________________________ 5. 大象也很友好。 ____________________________________________________ 6. 大象是我最喜欢的动物。 ____________________________________________________ 7. 在这里它们是好运象征。 ____________________________________________________ 8. 大象是我们的国兽。 ____________________________________________________ 9. 大象是泰国生活和文化的重要部分。 ____________________________________________________ 10. 然而，它们处于危险中。 ____________________________________________________ 11.大象看起来和其他动物不同。 ____________________________________________________ 12.大象在某些方面和我们很像。 ____________________________________________________ 2、 简单句（非主系表结构：主谓/主谓宾/主谓状等） 1. 我住在泰国。 ____________________________________________________ 2.每头大象都很重要。 ____________________________________________________ 3. 它们有大耳朵和长鼻子。 ____________________________________________________ 4. 大象帮助小象。 ____________________________________________________ 5. 它们能用他们的鼻子举起并搬运重物。 ____________________________________________________ 6. 我们在3月13日庆祝泰国大象日。 ____________________________________________________ 7. 人们也为了象牙而杀死大象。 ____________________________________________________ 3、 并列句（由and/but连接） 核心概念：由并列连词（and, but, or, so等）连接两个或两个以上简单句（分句）构成，分句之间地位平等。 1. 它们很爱玩，并且喜欢在水里玩。 ____________________________________________________ 2. 它们住在森林里，但是人们砍了太多树。 ____________________________________________________ 3. 让我们拯救森林，不买象牙制品。 ____________________________________________________ 4、 复合句（由because/when等引导从句） 核心概念：由一个主句和一个或多个从句构成，从句由从属连词（because, when, that, where等）引导，充当句子的某一成分（状语、宾语、定语等）。 1. 我喜欢大象，因为它们强壮聪明。 ____________________________________________________ 2. 当其他大象不舒服时，它们照顾它们。 ____________________________________________________ 3. 例如，许多年之后它们能记住彼此和有食物水的地方。 ____________________________________________________ 5、 课文里适合仿写的句子 1. 介绍自己 I’m Malee and I live in Thailand. 仿写：I’m ____ and I live in ____. 2. 介绍最喜欢的动物 The elephant is my favourite animal. 仿写：____ is my favourite animal. 3. 说明原因（作文必用） I love elephants because they are strong and clever. 仿写：I love ____ because they are ____. 4. 描述外貌 They have large ears and long trunks. 仿写：They have ____ and ____. 5. 描述能力 They can pick up heavy things with their trunks. 仿写：They can ____ with ____. 6. 描述习性 They love to play in the water. 仿写：They love to ____. 7. 转折句（加分句型） They live in forests, but people cut down too many trees. 仿写：____, but ____. 8. 呼吁保护（作文结尾）Let’s save the forests and not buy things made of ivory. 仿写：Let’s ____ and ____. 6、 写作任务 请结合以上练习的句子结构，以My Favourite Animal为题，写一篇60-80词的短文。要求：介绍你最喜欢的动物的外形、习性及特点。 写作框架（参考） 1. 简单句：引出话题（My favourite animal is...） 2. 并列句：描述外形/习性（It’s..., and it can...） 3. 复合句：说明喜欢的原因（I like it because...） 4. 简单句：表达态度/呼吁（We should...） 参考答案 一、简单句（主系表结构） 1. Hi, I'm Malee. 2. They are huge. 3. They are great swimmers. 4. They are also clever. 5. Elephants are very kind too. 6. The elephant is my favourite animal. 7. They are a symbol of good luck here. 8. The elephant is our national animal. 9. Elephants are an important part of Thai life and culture. 10. However, they are in danger. 11. Elephants look very different from other animals. 12. Elephants are like us in some ways. 二、简单句（非主系表结构） 1. I live in Thailand. 2. Every elephant counts. 3. They have large ears and long trunks. 4. The big elephants also help the baby ones. 5. They can pick up and carry heavy things with their trunks. 6. On 13 March, we celebrate Thai Elephant Day. 7. People also kill elephants for their ivory. 三、并列句 1. They are very playful and love to play in the water. 2. They live in forests, but people cut down too many trees. 3. Let’s save the forests and not buy things made of ivory. 四、复合句 1. I love elephants because they are strong and clever. 2. They look after other elephants when they don’t feel well. 3. For example, they can remember one another and places with food and water after many years. 五、写作任务 参考范文 My Favourite Animal My favourite animal is the panda. It is black and white with round eyes and a fat body. It lives in China and likes eating bamboo very much. It is very gentle and never hurts people, and it can climb trees slowly. I like it because it looks cute and it is a symbol of our country. Pandas are in danger now. We should protect their homes and never do things that hurt them. Let’s work together to live in harmony with pandas. ( 1 ) 学科网（北京）股份有限公司 $