Unit 8 Section A (1a-1d)同步知识点梳理与分层练习2025-2026学年人教版英语八年级下册

该初中英语导学案围绕Unit 8 Section A 1a-1d展开，梳理clean up、give directions等核心短语及含义，结合课本原句建立语境，聚焦现在完成时与Since/For的用法。通过关联已学动词短语，以课本原句为支架衔接新旧知识，引导学生逐步掌握语言点。 资料采用分层练习设计，Level 1基础过关巩固短语运用，Level 2语法聚焦强化时态规则，Level 3句型运用提升表达能力，Level 4情景交际模拟真实对话。这种设计兼顾不同学生水平，助力语言能力提升，培养学习策略与思维品质，适合课堂教学与自主练习。

Unit 8 Making a Difference (Section A 1a-1d)同步知识点梳理与分层练习 第一部分：核心词汇与短语 (Key Phrases) 短语 含义 课本原句 clean up​ 清理；打扫干净 I clean up the stadium after matches too. give directions​ 指路 I help the players and give directions. guide visitors​ 引导游客参观 I guide visitors through the museum... provide information about​ 提供关于……的信息 ...provide information about the paintings. pick up​ 捡起；捡拾 I've picked up three bags of bottles and cans. look after​ 爱护；照看 I think it's everyone's duty to look after it! one's duty to do sth.​ 做某事是某人的责任 I think it's everyone's duty to look after it! 第二部分：分层同步练习 (Practice) Level 1: 基础过关 请根据中文提示或句意，选择正确的短语并用正确形式填空。 1. As a student volunteer, my job is to ______ the school garden every Friday afternoon. (清理) 2. The old man is lost. Could you please ______ to the nearest subway station? (指路) 3. Tourists usually need someone to ______ them ______ the Forbidden City. (带领……参观) 4. It is our duty to ______ the public facilities (公共设施) in the park. (爱护) 5. Don't throw litter everywhere. Please ______ the trash ______ and put it into the bin. (捡起) Level 2: 语法聚焦 现在完成时 + Since / For 规则：Since + 时间点 (e.g., since 2020, since last month) 规则：For + 时间段 (e.g., for 3 years, for a long time) 用 since 或 for 填空： 6. I have been a volunteer ______ two months. 7. He has worked in the animal shelter ______ last summer. 8. We haven't cleaned the beach ______ a long time. 句型转换（改写句子，句意不变）： 9. I started volunteering in 2022. (改为同义句) I ______ ______ a volunteer ______ 2022. 10. She joined the club three years ago. (改为同义句) She ______ ______ ______ the club ______ three years. Level 3: 句型运用 根据中文提示，完成句子（每空一词）。 11. 我认为保护野生动物是我们的职责。 I think it is everyone's ______ ______ ______ wild animals. 12. 你能给我提供一些关于这幅画的信息吗？ Can you ______ me ______ ______ the painting? 13. 他在博物馆做向导已经半年了。 He has ______ ______ in the museum ______ half a year. Level 4: 情景交际 根据 1d 的对话模式，补全下面的对话。 A: Hey, Lisa! You look tired. B: Yeah. I just finished my volunteer work at the City Library. A: Really? 14. ____________________ (你做志愿者多久了)? B: 15. ____________________ (两个月了). A: 16. ____________________ (你在那里做什么)? B: I help sort books and 17. ____________________ (打扫阅览室). Sometimes I help kids read stories. A: That sounds meaningful! 参考答案 Level 1 1. clean up 2. give directions 3. guide; through 4. look after 5. pick; up Level 2 6. for 7. since 8. for 9. have been; since 10. has been in; for Level 3 11. duty to protect 12. provide; information about 13. been a guide; for Level 4 14. How long have you been a volunteer? 15. For two months. / I've been a volunteer for two months. 16. What do you do (there)? 17. clean up the reading rooms 学科网（北京）股份有限公司 $