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

该高中英语单元复习讲义通过系统梳理构建知识体系，将核心单词、拓展词汇、重点短语及经典句式按“基础积累-词性转换-语境应用-句式仿写”的递进逻辑组织，清晰呈现语言知识的内在联系与重难点分布。 讲义亮点在于分层练习设计，如单词拼写巩固基础词汇，“用所给词的适当形式填空”提升词性转换能力，“完成句子”结合“介词+关系代词”定语从句等经典句型培养语言运用能力，助力发展语言能力与思维品质。写作素材提供情感、环境描写及句式示例，支持不同层次学生自主复习，为教师实施精准教学提供有效依据。

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 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 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. 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. 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 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 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. 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. 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 10.　　　　　　　 偶然遇到 11.　　　　　　　 源于……的；原产于 12.　　　　　　　 和……联系 Ⅲ.选用左栏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. 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. 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. 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。 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。 　　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. 　　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. 　　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. 　　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. 　　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. 【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. 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. 3 / 4 学科网（北京）股份有限公司 $ 单元整合提升 【知识重温·提能力】 一、 1.iconic　2.equator　3.premier　4.herb　5.hollow 6.straightforward　7.slogan　8.minister　9.frog 10.entitle　11.domain　12.liberty　13.monument 14.phase　15.trunk　16.session　17.nest Ⅰ.1.arrow　2.sponsor　3.frequent　4.temporary 5.prison　6.licensed　7.sample　8.dived 二、1.foundation　2.political　3.located　4.bakery 5.freedom　6.licensed　7.frequency Ⅱ.1.frequency　2.violent　3.freedom　4.distribution 5.location　6.political　7.foundation 三、1.a flock of　2.a handful of　3.be referred to as ... 4.can’t wait to do sth　5.make a joint effort to do sth 6.say goodbye to　7.date back to　8.feel at home　9.pick up　10.come across　11.be native to　12.in contact with Ⅲ.1.came across　2.a handful of　3.pick； up 4.say goodbye to　5.feel at home Ⅳ.1.during which you can admire the beautiful scenery 2.It’s said that wearing red during the Chinese New Year 3.While the students came from different countries 3 / 4 学科网（北京）股份有限公司 $