Unit 5 Revealing Nature Developing ideas & Presenting ideas & Reflection-分级课时练习 2026-2027学年高中英语外研版选择性必修第一册

**基本信息** 本练习通过A级基础夯实与B级能力提升的分层设计，构建“词汇-语法-句型-语篇”渐进式知识巩固路径，适配新授课语言能力与思维品质培养需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |A级|单元核心词汇（myth, detect等）、基础语法（非谓语、固定搭配）、基础写作句型（it作形式主语等）|单句写作多句式转换（如Ⅲ.3三种表达），微写作短文整合单句（Activity 2），强化基础语言能力| |B级|自然生态主题语篇理解（细节、推理）、应用文写作（观察日记）|真实语篇阅读（梵净山、蚂蚁农业）培养思维品质，情境写作（甜椒生长）提升语用能力，知识积累卡辅助词汇拓展|

Unit 5　Revealing Nature Developing ideas & Presenting ideas & Reflection A级　必备知识基础 Ⅰ.单词拼写 1.Just as underwater grass floats on the surface if it loses its 　　　　　　(根),a nation is lost without its memories.  2.The 　　　　　　(神话) of the Phoenix rising from its own ashes symbolizes rebirth and renewal.  3.There are many wonderful 　　　　　　(传说) about this famous hero.  4.The police used advanced technology to 　　　　　　(发现) hidden cameras in the suspect’s home.  5.Sharks in the sea vary in size from just 20 　　　　　(厘米) to 14 metres.  Ⅱ.单句语法填空 1.This may provide a quick and accurate way 　　　　　monitoring the amount of carbon dioxide in the air.  2.She remained 　　　　　　(stand) though we repeatedly asked her to sit down.  3.The fire is reported 　　　　　　　　(spread) quickly due to dry and windy conditions.  4.Try not to link your sense of self-worth 　　　　　the opinions of others.  5.The two friends walked side 　　　　　　side,chatting happily.  6.The team had to face up 　　　　　the reality that they were not going to win the game.  7.The teacher as well as the students in our senior high school 　　　　　　　　(be) friendly to me in the past three months.  Ⅲ.单句写作 1.据说他已经把这本小说读过五遍了。 He 　　　　　　　　　　　　　　　　　　　　the novel for five times.(be said to)  2.他们正在努力分析问题,目的是能找到最佳解决方案。 ①They are working hard to analyze the problem,　　　　　　　　　　　　　　　 the best solution.(so that)  ②They are working hard to analyze the problem,　　　　　　　　　　　　　　　 the best solution.(so as to)  3.众所周知,杨利伟是中国第一位飞入太空的宇航员。 ①　　　　　　　　　　　　　　　　　　　　　　　　 Yang Liwei is China’s first astronaut to fly into space.(it作形式主语)  ②　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　,Yang Liwei is China’s first astronaut to fly into space.(定语从句)  ③　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 Yang Liwei is China’s first astronaut to fly into space.(主语从句)  Ⅳ.阅读微写作 Activity 1　单句写作 1.克隆还是不克隆:这是一个长期以来让每个人着迷的问题。(fascinate) To clone or not to clone:that is a question,which 　　　　　　　　　　　　　　for ages.  2.今天上午,在挤满师生的演讲厅里,我们班就此进行了激烈的辩论。(be crowded with) In the lecture hall that 　　　　　　　　　　　　　　　　　　　　　　　　　,our class had a heated debate on it this morning.  3.支持克隆的人认为,克隆有许多令人信服的好处,是拯救无法适应不断变化的环境的现有濒危物种的有用工具。(convincing,exist,adapt to) Those in favour of cloning think that it has 　　　　　　　　　　　　　　　,as a useful tool to save 　　　　　　　　　　　which cannot 　　　　　　　　　　　　　.  4.一个研究小组成功克隆了一种可以追溯到史前时代的古代植物物种。(date back to) A research team successfully cloned an ancient plant species 　　　　　　　　　　　.  5.器官可以通过这种方式产生,以取代受损或患病的器官,从而实现不可能的治愈。(generate,lead to) Organs 　　　　　　　　　　　　　　　　　　in this way to replace damaged or diseased ones,　　　　　　　　　　　　　　　　　 that would be impossible.  6.反对克隆的人怀疑克隆可能被用于一系列犯罪。(suspect) Those who are against cloning 　　　　　　　　　　　　cloning might be used in a series of crimes.  7.在看到它的优缺点之前,我们不应该决定如何处理它。(not...until) We 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　we see its advantages and disadvantages.  Activity 2　选取上面至少4个句子组成一篇不少于80词的短文(注意使用恰当的衔接词)                                    B级　能力素养提升 Ⅴ.阅读理解 A (2026广东汕尾高二检测) Towering over the Guizhou Province in China,Mount Fanjing is a natural wonder unlike any other.This UNESCO World Heritage Site,reaching 2,570 metres at its peak,houses an astonishing diversity of plant and animal life. Fanjingshan’s diverse climate zones have boosted the growth of unique species found nowhere else on Earth.It is home to the endangered Guizhou snub-nosed monkey,with only around 800 individuals remaining.The mountain also provides a critical habitat for the Chinese giant salamander,the largest amphibian(两栖动物) in the world,and a variety of rare plants,including the Fanjingshan fir. Despite its protected status,Mount Fanjing faces increasing pressures that threaten its delicate ecosystem.While tourism brings economic benefits,unregulated development and visitor flood can lead to habitat destruction,pollution and disturbance to wildlife.Rising temperatures and changing weather patterns are also changing the mountain’s delicate ecosystem,potentially impacting species distribution and survival.Besides,the introduction of non-native species can disrupt the natural balance,outcompeting native species for resources. Recognizing the importance of preserving this natural treasure,the Chinese government and international organizations have carried out various conservation measures. The establishment of the Fanjingshan National Nature Reserve has been helpful in protecting the mountain’s biodiversity.Meanwhile,ongoing research is crucial for understanding the impacts of threats and developing effective conservation strategies.Engaging local communities in conservation efforts is also essential for ensuring the long-term sustainability of the mountain’s ecosystem. Mount Fanjing stands as proof of the beauty and fragility(脆弱) of our planet’s biodiversity.By addressing the challenges it faces and enforcing effective conservation measures,we can ensure that this natural jewel continues to thrive(兴旺) for generations to come,serving as a signal of hope for the preservation of our planet’s precious ecosystems. 1.Why are the animals and plants listed in paragraph 2? A.To prove climate impacts. B.To highlight tourist attractions. C.To show the unique biodiversity. D.To introduce conservation needs. 2.What does the underlined word “outcompeting” in paragraph 3 mean? A.To lose to. B.To cooperate with. C.To adapt positively. D.To compete better than. 3.What can be inferred about the preservation measures? A.Some research is still in preparation now. B.Efforts from home and abroad are divided. C.The foundation of the nature reserve is ineffective. D.Local involvement contributes to the ecological sustainability. 4.What is the author’s attitude to the conservation of Mount Fanjing? A.Pessimistic.　 B.Optimistic. C.Indifferent. D.Doubtful. B (2026江西三新协同教研共同体联考) While humans may think of agriculture as a uniquely human achievement,ants have been farming their own food for millions of years,a new study has revealed.Researchers found that ants began farming fungi(真菌) 66 million years ago,around the time an asteroid(小行星) struck Earth and caused a global mass extinction. While the mass extinction was destructive for many species,including dinosaurs,it presented an opportunity for fungi.With plentiful rotten(腐烂的) plant matter on the ground,ants developed an evolutionary partnership with fungi that still endures today. Over time,this relationship grew stronger,with ants improving their agricultural practises and developing advanced methods 27 million years ago,a process similar to the domestication(驯化) of crops by humans.“Ants have been practicing agriculture and fungus farming for much longer than humans have existed,” Ted Schultz,lead author of the new paper,said in a statement.“We could probably learn something from the agricultural success of these ants over the past 66 million years.” Fungi-farming ants are particularly diverse in the Americas and the Caribbean,with nearly 250 different species engaged in this practise. The research,published in the journal Science,analyzed genetic data from hundreds of ant and fungi species to create detailed evolutionary trees.These genetic timelines played an important role in revealing the evolution of ants’ agricultural techniques.The study builds on Schultz’s 35 years of research into ant-fungus relationships,during which he and his team collected thousands of genetic samples from Central and South America.By comparing wild fungal species with ants’ domesticated fungus,the researchers determined that ants have been farming fungi since shortly after the asteroid impact. The ants have bacteria that can produce antibiotics(抗生素) to fight off diseases attacking their fungi.“Somehow,over the course of 66 million years,they’ve been able to continue to control crop disease and develop antibiotics that continue to be effective,” Schultz told Newsweek.“We’ve only been using antibiotics for less than 100 years and we have major problems keeping up with resistance and developing new antibiotics.” 5.What did the study discover about fungi? A.They evolved into a new species after an asteroid attack. B.They partly led to the extinction of dinosaurs. C.Their appearance was a result of ants’ efforts in farming. D.They benefited from the conditions after the mass extinction. 6.How did the research trace ant-fungus relationship? A.By comparing ecological data between ants and fungi. B.By studying genetic data and distinguishing fungal varieties. C.By researching the development of ants’ agricultural techniques. D.By sampling and analyzing the genes from the trees they live on. 7.What can be inferred from Schultz’s words in the last paragraph? A.Substances released by ants guard fungi against diseases. B.Ant-fungus partnerships inspired human antibiotic development. C.Ants have been farming fungi since shortly after the asteroid impact. D.Humans struggle to update antibiotics to maintain effectiveness. 8.What is the best title for the text? A.Beyond Humans:Ants’ Long-Lasting Farming B.Antibiotic Problems:Ants’ Innovative Solution C.Fungi Farming:The Mystery of Ants’ Living Skills D.Surviving the Mass Extinction:Ant-Fungus Cooperation Ⅵ.应用文写作 根据下面的图片,用英语写一篇观察日记,描写甜椒(bell pepper)的生长过程。要点包括: 1.播种及发芽阶段(seed,sprout,8月份种植,发芽期10~15天); 2.生长及发育阶段(stem,blossom,幼苗期30~50天); 3.成熟及结果阶段(produce,fruit,开花、结果期60~100天)。 注意: 1.写作词数应为80个左右; 2.请在相应位置作答。                                    知识积累卡 一、重点单词 1.diversity n.　　　　　  2.boost v.　　　　　　　  3.habitat n.　　　　　  4.endanger vt.　　　　　　　　　　　　　　→endangered adj.　　　　　　　　　　→danger n.　　　　　　→dangerous adj.　　　　　　  5.conserve v.　　　　　　　　→conservation n.　　　　　　  6.sustain v.　　　　　　　　→sustainable adj.　　　　　　→sustainability n.　　　　　　  7.extinct adj.　　　　　　　　　→extinction n.　　　　　　  二、熟词生义 1.tower本文义:v.　　　　　　　　　  其他义:n.　　　　　  2.house本文义:v.　　　　　　　　　  其他义:n.　　　　　　　　  3.farm本文义:v.　　　　　　　　　　　　其他义:v.　　　　　　　　　n.　　　　　　  三、词块速记 1.be home to 　　　　　　　　  2.carry out 　　　　　  3.engage sb in 　　　　　　　　  4.build on 　　　　　　　　　　　  5.play an important role in 　　　　　　　　　　　  四、经典句式背诵 Engaging local communities in conservation efforts is also essential for ensuring the long-term sustainability of the mountain’s ecosystem.(动词-ing形式短语作主语) 句意:     五、长难句分析 By addressing the challenges it faces and enforcing effective conservation measures,we can ensure that this natural jewel continues to thrive for generations to come,serving as a signal of hope for the preservation of our planet’s precious ecosystems. 分句:本句为主从复合句。it faces为　　　　　　从句,that引导　　　　　　从句,“serving as...ecosystems”作伴随状语。  句意:     答案 Ⅰ.1.roots　2.myth　3.legends　4.detect　5.centimetres Ⅱ.1.of　2.standing　3.to have spread　4.to　5.by　6.to　7.has been Ⅲ.1.was said to have read 2.①so that they can find　②so as to find 3.①It is known that　②As is known to all　③What is known to all is that Ⅳ.Activity 1 1.has fascinated everyone　2.was crowded with teachers and students　3.many convincing benefits;existing endangered species;adapt to the changing environment　4.dating back to the prehistoric era　5.could be generated;leading to cures　6.suspect that　7.should not decide how to deal with it until Activity 2 To clone or not to clone:that is a question,which has fascinated everyone for ages.In the lecture hall that was crowded with teachers and students,our class had a heated debate on it this morning. Those in favour of cloning think that it has many convincing benefits,as a useful tool to save existing endangered species which cannot adapt to the changing environment.A research team successfully cloned an ancient plant species dating back to the prehistoric era.What’s more,organs could be generated in this way to replace damaged or diseased ones,leading to cures that would be impossible.However,those who are against cloning suspect that cloning might be used in a series of crimes.Personally,we should not decide how to deal with it until we see its advantages and disadvantages. Ⅴ.【语篇导读】本文是一篇说明文。文章主要介绍了位于中国贵州省的梵净山,包括其作为自然奇观的特点、丰富的生物多样性、面临的生态威胁以及为保护这一自然宝藏所采取的各项措施。 1.C　推理判断题。根据第二段内容可知,本段列举动物和植物是为了展现梵净山独特的生物多样性。故选C项。 2.D　词句猜测题。根据上文“Besides,the introduction of non-native species can disrupt the natural balance”和下文“native species for resources”可知,外来物种会“破坏自然平衡”,与本地物种争夺资源。推知outcompeting指“在竞争中胜过”,与D项“竞争得过”相符。故选D项。 3.D　推理判断题。根据倒数第二段“The establishment of the Fanjingshan National Nature Reserve has been helpful in protecting the mountain’s biodiversity...Engaging local communities in conservation efforts is also essential for ensuring the long-term sustainability of the mountain’s ecosystem.”可知,当地人的参与有助于生态的可持续性。故选D项。 4.B　推理判断题。根据最后一段内容可知,作者觉得对梵净山的保护是一个希望信号,所以是乐观的。故选B项。 【语篇导读】本文是一篇说明文。文章主要说明了一项新研究发现蚂蚁早在6,600万年前就开始种植真菌,文章介绍了蚂蚁与真菌的共生关系、研究方法及蚂蚁利用细菌产生抗生素保护真菌的特性。 5.D　细节理解题。根据第二段中的“While the mass extinction was destructive for many species,including dinosaurs,it presented an opportunity for fungi.With plentiful rotten plant matter on the ground,ants developed an evolutionary partnership with fungi that still endures today.”可知,大灭绝后的腐烂植物为真菌的生长提供了良好的条件。故选D项。 6.B　细节理解题。根据第三段中的“The study builds on Schultz’s 35 years of research into ant-fungus relationships,during which he and his team collected thousands of genetic samples from Central and South America.By comparing wild fungal species with ants’ domesticated fungus,the researchers determined that ants have been farming fungi since shortly after the asteroid impact.”可知,研究追踪蚂蚁与真菌关系需要研究基因数据,并比对不同种类的真菌。故选B项。 7.D　推理判断题。根据最后一段中的“We’ve only been using antibiotics for less than 100 years and we have major problems keeping up with resistance and developing new antibiotics.”可知,人类需要不断改进抗生素的配方以保持其有效性。故选D项。 8.A　主旨大意题。根据第一段内容以及文章主要说明了一项新研究发现蚂蚁早在6600万年前就开始种植真菌可知,文章介绍了蚂蚁与真菌的共生关系、研究方法及蚂蚁利用细菌产生抗生素保护真菌的特性。A选项“超越人类:蚂蚁的持久性农业活动”最符合文章标题。故选A项。 Ⅵ. Bell peppers are usually planted in August.First,the seeds are sowed into the flowerbed side by side.After ten to fifteen days,if watered regularly,the seeds can sprout.Two green leaves are on the green seedling.As time goes by,more leaves grow out of the stem. During the next thirty to fifty days,the stem grows longer and stronger.With more water and sunlight,those plants keep growing.The white flowers smell sweet and fresh,indicating they will bear juicy fruits. In the following sixty to one hundred days,the plants finally produce fruits. 知识积累卡 一、1.多样性　2.促进;推动　3.栖息地　4.使……处于险境;危及　濒危的　危险　危险的　5.保存　保护;保存　6.维持;保持　可持续的　可持续性　7.灭绝的;绝种的　灭绝;消亡 二、1.高耸;屹立　塔　2.容纳;孕育　房屋;住宅　3.培育;养殖　耕种;务农　农场 三、1.是……的栖息地　2.实施;执行　3.使某人参与……　4.以……为基础;基于　5.在……中发挥重要作用 四、让当地社区参与到保护工作中,对于保障梵净山生态系统的长期可持续性也至关重要。 五、定语　宾语　通过应对梵净山面临的挑战,推行有效的保护举措,我们能够确保这颗自然珍宝在未来世代中持续繁茂生长,成为保护地球珍贵生态系统的希望象征。 学科网（北京）股份有限公司 $