UNIT 2 单元整合提升 知识巩固 素养提升-【优学精讲】2025-2026学年高中英语选择性必修第四册教用课件（人教版）

该高中英语单元复习课件系统梳理了核心单词、拓展词汇、重点短语及经典句式等知识，通过“核心单词写对-拓展词汇用活-重点短语用准-经典句式写美”的逻辑链条，结合单词拼写、短语填空、句式仿写等练习，帮助学生构建完整的语言知识网络。 其亮点在于采用“知识巩固+素养提升”的分层复习策略，如通过“介词+关系代词”定语从句仿写培养语言能力，借助美文赏读积累环境与情感描写素材提升思维品质，分层练习设计满足不同学生需求。这既助力学生夯实基础，也为教师提供精准复习方向，提升教学效率。

单元整合提升　知识巩固　素养提升 目 录 01 知识重温·提能力 02 美文赏读·积语料 知识重温·提能力 目 录 一、核心单词写对 1. adj.符号的；图标的 2. n.赤道 3. adj.最著名的；第一的；首要的 n.总理；首相 4. n.药草；香草；草本 5. adj.中空的；空心的 6. adj.坦率的；简单的 7. n.标语；口号 8. n.部长；大臣；外交使节 iconic　 equator　 premier　 herb　 hollow　 straightforward　 slogan　 minister　 目 录 英语·选择性必修第四册 9. n.蛙；青蛙 10. vt.给……命名（或题名）；使享有权利 11. n.领域；领土；范围 12. n.自由 13. n.纪念碑（或馆、堂、像等）；历史遗迹 14. n.阶段；时期 15. n.树干 16. n.一场；一段时间；会议 17. n.巢穴；鸟窝；秘密窝点 frog　 entitle　 domain　 liberty　 monument　 phase　 trunk　 session　 nest　 目 录 英语·选择性必修第四册 Ⅰ.单词拼写 1. He gathered all his strength and made a dash for the finish line like an （箭）. 2. Learning that he will drop out of school for lack of money，I’m determined to （赞助） his education. 3. It was so much fun when we together enjoyed the （频繁 的） grand parades. 4. If you face a challenge， see it as a （暂时的） or even optimistic thing， which allows you to learn and grow. arrow　 sponsor　 frequent　 temporary　 目 录 英语·选择性必修第四册 5. He was put into （监狱） because he blew up some government buildings in South Africa. 6. The exhibition was （批准） by the Society of Culture. 7. We based our analysis on a random （样本） of more than 200 males. 8. He took a deep breath and （潜入） into the water. prison　 licensed　 sample　 dived　 目 录 英语·选择性必修第四册 二、拓展词汇用活 1. n.创建；基础；地基→found vt.创立，建立；创办 2. adj.政治的→politics n.政治，政治学 3. adj.位于→location n.位置→locate vt.把……设置在； 把……建造在 4. n.面包（糕饼）店；面包厂→bake vt.烤，烘焙 5. n.自由；不受……影响的状态→free adj.免费的；自 由的，不受约束的 vt.使自由，解放；释放 foundation　 political　 located　 bakery　 freedom　 目 录 英语·选择性必修第四册 6. adj.得到正式许可的→license vt.批准；许可n.许可 证；执照 7. n.发生率；重复率；（声波或电磁波振动的）频率 →frequent adj.频繁的；经常发生的 licensed　 frequency　 目 录 英语·选择性必修第四册 Ⅱ.用所给词的适当形式填空 1. Traffic accidents in this area are taking place with increasing （frequent）. 2. She was in a （violence） temper and began throwing things about. 3. She is old enough to have the （free） to do what she likes. 4. They studied the geographical （distribute） of the disease. frequency　 violent　 freedom　 distribution　 目 录 英语·选择性必修第四册 5. The first thing he looked at was his office’s （locate）. 6. China is playing an important role on the international ⁠ （politics） stage. 7. Respect and friendship provide a solid （found） for marriage. location　 political　 foundation　 目 录 英语·选择性必修第四册 三、重点短语用准 1. 一群（羊或鸟） 2. 少数人（或物）；一把（的量） 3. 被称为是…… 4. ⁠迫不及待做某事 5. ⁠共同努力做某事 6. 向……告别 7. ⁠ 追溯到 8. ⁠感到轻松自在 9. 捡起；（无意中） 学会；接收；（开车）接某人 a flock of　 a handful of　 be referred to as ...　 can’t wait to do sth　 make a joint effort to do sth　 say goodbye to　 date back to　 feel at home　 pick up　 目 录 英语·选择性必修第四册 10. ⁠偶然遇到 11. 源于……的；原产于 12. 和……联系 come across　 be native to　 in contact with　 目 录 英语·选择性必修第四册 Ⅲ.选用上面短语并用其适当形式填空 1. I was searching for some information online when I a social networking site. 2. Then he opened one of his bags and gave me freshly picked cherries. 3. I am wondering whether you can him at the airport at your convenience. 4. It’s really hard for me to you，and I’m quite grateful to you for your help with my English learning. 5. His friendly smile made the new students in the classroom. came across　 a handful of　 pick　 up　 say goodbye to　 feel at home　 目 录 英语·选择性必修第四册 四、经典句式写美 1. 句型公式：“介词＋关系代词”引导的非限制性定语从句 教材原句：Most of their musical instruments are really just sticks found on the ground， among which there is an amazing instrument called the didgeridoo. 2. 句型公式：it作形式主语，that引导的主语从句作真正的主语 教材原句：It is said that now nearly half of all Australian citizens were either born overseas or have parents who were born overseas. 目 录 英语·选择性必修第四册 3. 句型公式：while引导让步状语从句 教材原句：While it may lay eggs in a nest like a bird， it’s really a primitive mammal， with a unique biology. 目 录 英语·选择性必修第四册 Ⅳ.完成句子 1. A tour of our campus is scheduled， ⁠ and get to know the history of our school.（欢迎辞） 我们安排了校园参观活动，在此期间你可以欣赏美景，了解我们学校 的历史。 2. can bring good luck. 据说在中国新年期间穿红色可以带来好运。 during which you can admire the beautiful scenery It’s said that wearing red during the Chinese New Year 目 录 英语·选择性必修第四册 3. ， they got along quite well in the summer camp. 虽然学生们来自不同的国家，但是他们在夏令营相处得很好。 While the students came from different countries　 目 录 英语·选择性必修第四册 美文赏读·积语料 目 录 　　The grass swung gently above a crack in the limestone （石灰岩） and Ludvik Husu realised he had found what he was searching for： a new cave in Slovenia’s dramatic Karst （喀斯特） region. 　　The cave enthusiast， with more than 50 years of experience， told AFP that “the conditions were perfect ...all the signs pointed to something beneath” as he felt the air current push up from below. 目 录 英语·选择性必修第四册 　　The 63-year-old had come across a new， 60-meter-deep limestone cave， a discovery that made the headlines this summer in a country that prides itself on its 14，000 underground caves. 　　The tiny Alpine nation is unusually rich in caves，which are a major tourist attraction.Perhaps the best known is the Postojna cave system，the longest in Europe，discovered by another amateur enthusiast two centuries ago.It extends for 24 kilometers and has offered up valuable finds for biologists. 目 录 英语·选择性必修第四册 　　Stanislav Glazar，a Postojna cave guide，told AFP that more than 150 species have been discovered in the system. 　　Glazar said Postojna is one of the richest caves in the world “in limestone formations”.The cave，located about 50 kilometers south of the capital Ljubljana， was also home to the world’s first cave tourist train， which began transporting visitors in 1872. 目 录 英语·选择性必修第四册 　　Elsewhere in the Karst region，the cave systems are of historical， cultural and even extraterrestrial interest.For instance，the UNESCO- listed Skocjan system was where the European Space Agency sent some astronauts to prepare for life in space. 　　“Astronauts know that the Karst world is exceptional， in a similar way to the environment in space： you don’t know what to expect at your next step，” said Skocjan Caves director Tomaz Zorman. 目 录 英语·选择性必修第四册 　　But for Husu， it’s the exploration that proves most rewarding.Once he knows there is something beneath， he digs around the crack to widen it and alerts fellow cavers to help gain access.He then uses ropes and a lamp to go down to what are vertical entrances in most caves.But doesn’t he feel scared to enter such unexplored depths？ 　　“You enter a cave out of curiosity — there is no fear！ Those who feel fear should stay home，” he said. 目 录 英语·选择性必修第四册 【写作素材】 1. 情感描写 ①But doesn’t he feel scared to enter such unexplored depths？ ②“You enter a cave out of curiosity — there is no fear！ Those who feel fear should stay home，” he said. 2. 环境描写 The grass swung gently above a crack in the limestone （石灰岩） and Ludvik Husu realised he had found what he was searching for： a new cave in Slovenia’s dramatic Karst （喀斯特） region. 目 录 英语·选择性必修第四册 3. 定语从句 The cave， located about 50 kilometers south of the capital Ljubljana， was also home to the world’s first cave tourist train，which began transporting visitors in 1872. 4. 强调句 But for Husu，it’s the exploration that proves most rewarding. 目 录 英语·选择性必修第四册 $