Unit 1 The Changing World Section A 导学案 - 2026-2027学年人教版英语九年级上册

该初中英语导学案围绕Unit 1 The Changing World Section A展开，核心知识点包括sandstorm等核心词汇、take place等重点短语、used to do sth结构及现在完成时初步感知。通过预习案的词汇、短语、句型及语法预习搭建学习支架，引导学生自主构建基础，再以探究案的对话理解、语法辨析等活动连接前后知识，形成递进式学习脉络。 该资料亮点在于融合语言能力、文化意识与学习能力的培养。通过小组合作探究used to用法及与be used to doing的区别，结合家乡变化的话题讨论，提升综合语言运用能力，增强家国情怀。习题设计从基础检测到真实语境表达，帮助学生掌握知识并灵活运用，培养自主学习习惯与思维品质。

Unit 1 The Changing World Section A 导学案 一、学习目标 知识与技能： 1. 掌握本课时核心词汇：sandstorm, farmland, soil, government, technology, improve, rough, shortage等。 2. 掌握重点短语：take place, be covered with, used to, all the time, with the development of等。 3. 理解并运用used to do sth结构描述过去与现在的变化。 4. 初步感知现在完成时的用法。 过程与方法： 1. 通过听、说、读、写活动，提高综合语言运用能力。 2. 通过小组合作探究，掌握used to的用法及现在完成时的基本结构。 3. 通过对比家乡过去与现在的变化，培养观察和表达能力。 情感态度与价值观： 1. 感受家乡和社会的发展变化，增强家国情怀。 2. 认识环境保护的重要性，树立可持续发展意识。 二、学习重难点 重点： 1. 核心词汇和短语的理解与运用。 2. used to do sth结构的肯定句、否定句和疑问句。 3. 运用目标语言谈论家乡的变化。 难点： 1. used to do sth与be used to doing sth的区别。 2. 现在完成时与一般过去时的区别。 3. 在真实语境中灵活运用目标语言描述变化。 三、预习案（自主学习） Task 1 词汇预习 根据音标和词性，写出下列单词的汉语意思。 1. sandstorm /ˈsændstɔːm/ n. __________ 2. farmland /ˈfɑːmlænd/ n. __________ 3. soil /sɔɪl/ n. __________ 4. government /ˈɡʌvənmənt/ n. __________ 5. technology /tekˈnɒlədʒi/ n. __________ 6. improve /ɪmˈpruːv/ v. __________ 7. rough /rʌf/ adj. __________ 8. shortage /ˈʃɔːtɪdʒ/ n. __________ 9. bush /bʊʃ/ n. __________ 10. root /ruːt/ n. __________ Task 2 短语预习 从课文中找出下列短语并翻译成汉语。 1. take place __________ 2. be covered with __________ 3. used to __________ 4. all the time __________ 5. with the development of __________ 6. living conditions __________ 7. decide to do sth __________ 8. keep pace with __________ Task 3 句型预习 根据汉语意思完成下列句子。 1. 我们城市发生了巨大的变化。 Great changes __________ __________ __________ in our city. 2. 过去这里总是有沙尘暴。 There __________ __________ be sandstorms all the time here. 3. 我们过去不得不走很远的路去看医生。 We __________ __________ travel far to see a doctor. 4. 山丘过去被沙子覆盖着。 The hills __________ __________ __________ __________ sand. 5. 随着科技的发展，我们的生活变得更加便利。 __________ __________ __________ __________ technology, our life has become more convenient. Task 4 语法预习 阅读下面的句子，总结used to的用法。 ① I used to walk to school. 我过去常常步行上学。 ② She didn't use to like English. 她过去不喜欢英语。 ③ Did you use to play basketball? 你过去常打篮球吗？ ④ There used to be a small village here. 过去这里有一个小村庄。 我的发现： used to 意为"__________"，后接__________，表示过去经常发生的动作或存在的状态，现在已经不再这样了。 否定句结构：主语 + __________ + use to + 动词原形 一般疑问句结构：__________ + 主语 + use to + 动词原形? 四、探究案（合作探究） 探究点一：对话理解 阅读Section A对话内容，回答下列问题。 1. What changes have taken place in the village? ________________________________________________________________ 2. What was the environment like in the past? ________________________________________________________________ 3. What did the government do to improve the environment? ________________________________________________________________ 4. How do people go to see a doctor now? ________________________________________________________________ 5. What can we learn from the changes? ________________________________________________________________ 探究点二：语法探究——used to的用法 活动1：观察与发现 仔细观察下列句子，总结used to的用法。 ① He used to be a teacher. 他过去是一名老师。 ② They used to live in the countryside. 他们过去住在乡下。 ③ I didn't use to like coffee. 我过去不喜欢咖啡。 ④ Did she use to play the piano? 她过去弹钢琴吗？ ⑤ There used to be a park here. 过去这里有一个公园。 用法总结： 句式 结构 例句 肯定句 主语 + ________ + 动词原形 I used to swim. 否定句 主语 + ________ + use to + 动词原形 I didn't use to swim. 一般疑问句 ________ + 主语 + use to + 动词原形? Did you use to swim? There be句型 There ________ + be + 主语 There used to be a tree. 活动2：辨析与拓展 辨析used to do sth与be used to doing sth： ① I used to get up early. 我过去常常早起。（现在不早起了） ② I am used to getting up early. 我习惯早起了。（现在仍然早起） 我的发现： used to do sth 意为"________"，to后接________，表示过去的习惯或状态，现在已经改变。 be used to doing sth 意为"________"，to后接________，表示习惯于做某事，现在仍然这样。 活动3：学以致用 用used to的正确形式完成下列句子。 1. My brother __________ (play) computer games a lot, but now he likes reading. 2. There __________ (be) a small river in front of my house. 3. __________ you __________ (live) in the city? 4. She __________ (not like) vegetables, but now she eats them every day. 5. They __________ (walk) to school, but now they take the bus. 探究点三：重点语言点 1. take place 发生；举行 Great changes have taken place in our hometown. 我们家乡发生了巨大的变化。 辨析：take place 与 happen take place 指有计划、有安排地"发生；举行"，无被动语态。 happen 指偶然地"发生"，无被动语态。 即时训练：用take place或happen填空。 ① The sports meeting will __________ next week. ② What __________ to you yesterday? 2. be covered with 被……覆盖 The hills used to be covered with sand. 山丘过去被沙子覆盖着。 拓展：be covered by 也表示"被……覆盖"，with强调状态，by强调动作执行者。 即时训练：翻译句子：地上覆盖着厚厚的雪。 ________________________________________________________________ 3. with the development of 随着……的发展 With the development of technology, our life has changed a lot. 随着科技的发展，我们的生活改变了很多。 即时训练：翻译句子：随着经济的发展，人们的生活条件得到了改善。 ________________________________________________________________ 五、课堂检测 (一)、单项选择。 1. Great changes __________ in our city in the past ten years. A. take place B. took place C. have taken place D. are taking place 2. My sister __________ like music, but now she likes it very much. A. didn't use to B. used to C. doesn't use to D. use to 3. There __________ a small school here, but now there is a big one. A. used to be B. used to have C. is used to be D. was used to be 4. —Did you __________ walk to school? —Yes, I did. A. used to B. use to C. be used to D. use 5. The ground is __________ with leaves in autumn. A. cover B. covers C. covered D. covering (二)、用所给词的适当形式填空。 1. He __________ (use) to be a doctor, but now he is a teacher. 2. With the __________ (develop) of society, people's lives are better. 3. They decided __________ (plant) more trees to improve the environment. 4. Our living conditions __________ (improve) a lot in recent years. 5. There __________ (be) many sandstorms in the past, but now there are fewer. (三)、句型转换。 1. She used to be shy.（改为否定句） She __________ __________ __________ be shy. 2. They used to play football after school.（改为一般疑问句并作肯定回答） __________ they __________ __________ football after school? __________, __________ __________. 3. Great changes have taken place in our town.（对划线部分提问） __________ __________ great changes __________ __________? 4. There used to be a factory here.（改为反意疑问句） There used to be a factory here, __________ __________? 5. With the help of the government, the environment has improved.（改为同义句） __________ __________ the government, the environment has improved. 六、拓展延伸 话题讨论：家乡的变化 小组合作，根据以下提示，讨论家乡过去与现在的变化，并推选代表发言。 提示： 1. Environment: There used to be..., but now... 2. Transportation: People used to..., but now... 3. Education: Students used to..., but now... 4. Living conditions: Families used to..., but now... 参考句型： Great changes have taken place in my hometown. There used to be..., but now there is/are... People used to..., but now they... With the development of..., our life has become... 参考答案 三、预习案 Task 1 词汇预习 1. 沙尘暴 2. 农田，耕地 3. 土壤 4. 政府 5. 科技，技术 6. 改善，提高 7. 崎岖的 8. 短缺 9. 灌木 10. 根；根源 Task 2 短语预习 1. 发生；举行 2. 被……覆盖 3. 过去常常；曾经 4. 一直；始终 5. 随着……的发展 6. 生活条件 7. 决定做某事 8. 跟上……的步伐 Task 3 句型预习 1. have taken place 2. used to 3. used to 4. used to be covered with 5. With the development of Task 4 语法预习 过去常常；动词原形；didn't；Did 四、探究案 探究点一：对话理解（答案根据课文内容，合理即可） 1. The environment has improved a lot. There are fewer sandstorms and more trees. 2. There used to be sandstorms all the time, and the fields were getting smaller and smaller. 3. The government decided to plant more trees and improve the environment. 4. They can go to the new hospital in the town easily with new roads. 5. We should protect the environment and work hard to make our hometown better. 探究点二：语法探究 活动1：used to；didn't；Did；used to 活动2：过去常常做某事；动词原形；习惯于做某事；动名词（动词-ing形式） 活动3：1. used to play 2. used to be 3. Did; use to live 4. didn't use to like 5. used to walk 探究点三：重点语言点 1. ① take place ② happened 2. The ground is covered with thick snow. 3. With the development of the economy, people's living conditions have improved. 五、课堂检测 一、单项选择。1. C 2. A 3. A 4. B 5. C 二、用所给词的适当形式填空。 1. used 2. development 3. to plant 4. have improved 5. used to be 三、句型转换。 1. didn't use to 2. Did; use to play; Yes, they did 3. Where have; taken place 4. didn't there / usedn't there 5. Thanks to / Because of 学科网（北京）股份有限公司 $