Unit 3 Conservation 一轮复习 课件-2026届高三英语北师大版选择性必修第一册

2026届高考英语（北师大版）一轮复习课件——选择性必修第一册UNIT3 CONSERVATION 课时习题巩固检测 重点单词及句型讲解 派生词及重点短语梳理 Content 目录 part one part two part three part one 派生词及重点短语梳理 3 派生词梳理 1.conservation n.保护 conserve vt.保护;节约 conservative adj. 保守的;守旧的 2.destroy vt. 破坏;毁掉 destruction n.破坏;摧毁;毁灭 3.mining n. 采矿业 mine n.矿;矿井 miner n.矿工 4.recycle vi.& vt.再利用,回收利用 recyclable adj.可回收利用的;可再循环的 　unrecyclable adj. 不可回收的 5.informative adj. 有教育意义的;知识性强的 inform vt. 通知 information n.信息 6.threat n.威胁;(灾难等坏事)发生的可能 threaten vt.威胁;恐吓 4 7.illegally adv.非法地,违法地 legal adj.合法的 legally adv.合法地 illegal adj.非法的;违法的 8.hunt vi.& vt.猎取,猎杀 hunting n.打猎 hunter n.猎人 9.extinct adj. 灭绝的,绝种的 extinction n.灭绝 10.urgent adj.紧急的,急迫的 urgently adv.迫切地;急切地 urgency n. 紧急情况 11.unusual adj.异常的;不平常的 unusually adv.不寻常地 usual adj.通常的;寻常的 usually adv.通常地 12.varied adj.各种各样的,形形色色的 vary vi.变化 various adj.各种各样的 　variety n.不同种类 13.affect vt.影响 effect n.影响 effective adj.有效的;起作用的 effectively adv.有效地 ineffective adj.无效果的;不起作用的 5 14.endangered adj. 濒危的 endanger vt.使遭危险;危及;危害 danger n.危险 　dangerous adj.有危险的 15.consumer n.消费者 consume vt.消耗;消费;吃;喝 consumption n.消费;消耗量 16.wasteful adj.浪费的;挥霍的 waste vt.& n.浪费 17.transportation n.交通运输系统,运输方式 transport vt.运输 18.dirt n.灰尘,尘土 dirty adj. 肮脏的 19.realistic adj.现实的,实际的 real adj.真的;真实的 really adv.真正地;确实地 　reality n.真实;现实 realize vt.实现;意识到 20.aware adj.意识到的,明白的 awareness n.意识;认识 unaware adj.不知道的;未察觉的 21.collection n.收集;收藏品;专辑 collect vt.收集;收藏 22.anxious adj.焦虑的,不安的 anxiety n.焦虑 anxiously adv.焦虑地,不安地 6 23.reusable adj.可再使用的,可重复使用的 reuse vt.再次使用,重复使用 24.stuck adj. 卡住的,无法移动的 stick vt.将……刺入(或插入);刺 25.annoyed adj.烦恼的,生气的 annoy vt.使恼怒;使生气 　annoying adj.使烦恼的;使恼怒的 annoyance n.生气;烦恼;令人烦恼的事 26.anger n.愤怒;怒气 angry adj.生气的;愤怒的 angrily adv.生气地;愤怒地 27.relate vi.相联系,有关联 related adj.有联系的 relation n.联系;关联 28.regular adj.定期的,有规律的 regularly adv.有规律地 irregular adj.无规律的 29.suit vt.适合 n.套装 suitable adj.合适的 30.involve vt. 包含,需要 involvement n.加入;参与 involved adj.参与的;有关联的 31.opponent n.反对者;对手,敌手 oppose vt. 反对 opposed adj.反对的 7 32.cruel adj. 残忍的 cruelty n. 残忍 cruelly adv.残忍地 33.chemical n.化学品adj.化学的 chemistry n.化学 chemist n. 化学家;药剂师 34.scenic adj.景色优美的 scene n.地点,现场;场面 scenery n.风景 35.historic adj.古老的;历史上重要的 history n.历史 historian n.历史学家 36.agricultural adj. 农业的 agriculture n.农业 8 重点短语梳理 1.have a role起某种作用 2.do one's part尽自己的职责 3.die out消失;绝迹,灭绝 4.wipe out彻底毁灭 5.be to blame(对某事)负有责任 6.be at risk处境危险,受到威胁 7.set out开始做某事,着手进行 8.be related to与……有关联 9.sum up概括,总结 10.traffic jam交通堵塞 11.stressed out焦虑的 12.for instance例如 13.mass extinction大灭绝 14.global warming全球变暖 15.human activity人类活动 16.natural causes自然原因 17.endangered species濒危物种 18.lay eggs下蛋,产卵 19.public transport 公共交通 20.speed limit限速 9 形容词后缀-ive:①表示有……倾向的　②表示有……性质的 直接加-ive massive大而重的,大量的　collective集体的,共同的　effective有效的 active积极主动的,活跃的 attractive吸引人的,有吸引力的 productive多产的;富有成效的 impressive给人印象深刻的,令人钦佩的 去掉结尾字 母e加-ive appreciative感激的　 defensive防御的,戒备的 conservative保守的 alternative可替代的,备选的 特殊强记 sense感觉到,觉察到→sensitive善解人意的;敏感的;imagine想象,设想→imaginative富于想象力的;inform通知,告知→informative提供有用信息的,给予知识的;represent代表→ representative有代表性的 构词方法归纳 10 part two 重点单词及句型讲解 11 1.switch vi.& vt.转换,改变 n.开关,转换器;转变(change/transformation) 【经典造句】　 Then I got up,went downstairs and switched on the TV in the living room. 然后我起床,下楼,打开起居室里的电视。 switch off　 关上(电灯、电视等);断掉(电源) switch on　 打开;开始运行 switch over　 转变;转换;换台 switch(...)from...to... 把(……)由……转变为…… 重点单词讲解 12 2.decrease n.减少;减少的量 vi.& vt.减少(reduce) 【经典造句】　 The number of poor men is on the decrease as the economy is growing. 随着经济发展,贫困人口的数量正在减少。 decrease to...　 减少到…… decrease by...　 减少了…… a decrease in...　 在……(方面)降低/减少 on the decrease/increase 正在减少/增加 13 3.blame vt.责怪,指责 n.(坏事或错事的)责任;指责;责备 【经典造句】　 Don't always blame your own failure on others.Sometimes you yourself are to blame for it. 不要总把自己的失败归咎于他人。有时你自己该为此负责。 【注意】　be to blame短语中blame不能用被动形式,该短语为主动形式表示被动含义。 14 blame sb for... 因……而指责某人;把……归咎于某人 blame sth on sb/sth 把某事归咎于某人/某事 be to blame (for sth) (为某事)承担责任;(因某事)该受责备 take/get the blame for... 对……负责;为……承担责任 put/lay the blame for sth on sb/sth 把某事推到某人/某事上/归咎于某人/某事 15 4.annoyed adj.烦恼的,生气的(angry/cross)→annoy vt.使恼怒;使生气→ annoyance n.生气;烦恼;令人烦恼的事→annoying adj.使烦恼的;使恼怒的 【经典造句】　 Mother was annoyed with me for lying to her about my grades. 妈妈对我在成绩上对她说谎很生气。 be annoyed with sb 对某人生气 be annoyed about/at sth 为某事生气 What annoys sb most is that... 最让某人生气的是…… to one's annoyance 使某人生气的是 16 5.relate vi.& vt.相联系,有关联(associate);叙述,讲述,讲(故事)→related adj.有联系 的→relation n.联系;关联 【经典造句】　 For another, I have accumulated related experience by working part-time in a travel agency, accompanying some foreign tourists. 另一方面,我通过在旅行社兼职,陪同一些外国游客积累了相关经验。 These scenes may have been painted hundreds of years ago, but they record moments we can all relate to.(2023·新课标Ⅱ卷) 这些场景可能绘制于数百年前,但它们记录了我们都能感同身受的瞬间。 relate...to...　把……和……联系起来 relate to涉及;和……相关;谈到;理解 (be) related to有关系的;有关联的 17 6.claim vt.声称;断言;主张;夺去(生命)n.声称;(根据权力而提出的) 要求 【经典造句】　 It is claimed that humour not only affects patients' moods,but can actually help them recover faster. 据称,幽默不仅能影响病人的情绪,而且实际上能帮助他们更快地康复。 make a claim　 声称;断言;索赔 claim to do...　 声称做…… It is claimed that...　 据称…… 18 7.die out消失;绝迹,灭绝 【经典造句】　 This species has nearly died out because its habitat is being destroyed. 因其栖息地正受到破坏,这一物种已濒于灭绝。 wipe out　 彻底毁灭,消灭 put out　 扑灭;扔掉;摆好;生产;出版 work out　 解决;算出 set out　 开始做某事,着手进行 turn out　 结果是 19 8.stressed out疲惫不堪;焦虑不安→stressed adj.焦虑不安的→stress n.压力 vt.强调 →stressful adj.压力重的;紧张的 【经典造句】　 When you are stressed out, you can jump rope, which is a great way to relieve stress and improve your mood.(2024·浙江1月卷) 当你压力大的时候,你可以跳绳,这是一种很好的缓解压力和改善情绪的方法。 Things can easily go wrong when people are under stress. 人在压力之下,办事情就容易出差错。 under stress 在压力之下 lay/place/put stress on/upon... 强调…… 20 9.sum up总结;概括 【经典造句】　 The story may be summed up in one sentence: Hard work can make up for a lack of ability. 这个故事可以用一句话来概括:勤能补拙。 make up弥补;构成;编造;和解 make up for 补偿,弥补 turn up开大;出现 go up上升;上涨 set up设立;建立 take up开始从事;占据(时间、空间等);拿起 add up加起来;总计 21 ①He pulls out a special device,points it at the suspect,and switches it on.(天津7月卷) 　　　　　  ②Perhaps your household won't entirely make the switch,but you may have some control over your own personal spaces to make the changes you desire. (2023·浙江1月卷) 　 　　　　  ③He snatched up the receiver and his free hand reached for the switch on the bedside lamp. 　　　　　  vt.转换;开关 switch n.转换,转变 n.开关 同一个单词的不同汉语意思 22 ①We all know that regular exercise is important,but few of us know how to exercise properly.(2023·浙江1月卷) 　　 　　　  ②A period is the regular ending for a sentence. 　　　 　　  ③She was displeased with absolutely everything,nothing was right and I was rather surprised that she became a “regular”. 　　　　　    regular adj.定期的,有规律的 adj.符合规定的;正当的 n.常客 23 ①It is claimed that the red dragon is a positive symbol,indicating strength and a sense of national identity. 　　　　　  ②The police say that if no one claims the watch,you can keep it. 　　　　　  ③The company has made a claim for damages caused by the delay of delivery. 　　　　　  ④It is reported that the hurricane Sandy has claimed thousands of lives. 　　　　　  claim vt.声称 vt.认领 n.索赔 vt.夺去,生命 24 mass I like travelling by train.There is no doubt that trains provide cheap travel for the ①masses.Yesterday, when I went to the train station to catch a train in a hurry, there was a ②mass of cloud in the sky and it seemed as if it was going to rain.But as I arrived at the train station, I was surprised to find that ③masses of fans were waiting for a super star anxiously outside the train station. 　　　　　　　　　　　　　　　　　　　　　　　　　　　  ①n.群众,民众　②n.团,块,堆　③n.许多,大量 25 1.句型公式:It is/was+adj.+that从句 课本原句:It is clear that human activity has negatively affected all other species on Earth,including animals and plants. 显然,人类的活动已经对包括动物和植物在内的地球上所有其他的物种产生了负面的影响。 【经典造句】　 It is certain that all students will benefit a lot from your speech.(2022·新高考Ⅰ卷) 可以肯定的是,所有的学生都会从你的演讲中获益良多。 重点句型讲解 26 (1)该句型中it是形式主语,真正的主语是后面that引导的从句,that只起连接作用,不能省略。可用于该句型的形容词有:clear,obvious,well-known,true, possible, necessary,natural,important等。 (2)it作形式主语的其他句式: It is+名词(a pity,a shame,an honor,one's duty,no wonder...)+that从句 It is+过去分词(said,reported,believed,suggested,proved...)+that从句 It+不及物动词(appear,seem,turn out...)+that从句 27 2.句型公式:without引导含蓄虚拟条件句 课本原句:Without forests,we would have no air to breathe,and without clean water we would be unable to survive. 假如没有森林,我们就没有可以呼吸的空气;没有干净的水,我们就无法生存。 【经典造句】　 Without the air to hold some of the sun's heat,the earth would be freezing cold at night,too cold for us to live on. 如果没有空气保存太阳的热量,晚上地球将会非常寒冷,冷得我们无法生存。 28 I was rather anxious when I found my wallet gone. My student card, meal card and bank card were all in the wallet, with out which I would get into trouble. 我发现我的钱包不见了时,我十分焦虑。我的学生卡、饭卡和银行卡都在钱包里,没有它我就会遇到麻烦。 (1)句中without引导含蓄虚拟条件句,相当于一个if引导的虚拟条件句,如果表示与现在或将来事实相反,谓语动词用“would/could/might+动词原形”;如果表示与过去事实相反,谓语动词则用“would/could/might have+过去分词”。 (2)引导含蓄虚拟条件句还可以用but for,otherwise,or,but等。 29 part three 课时习题巩固检测 30 语法填空 　　There is argument over the term hanfu,as some scholars prefer huafu: “Hua” represents the Chinese nation,all 56 of its ethnic (民族的) groups 1. 　　　　 (include).However,since the Han Dynasty,the Han nationality has always been the dominant ethnic group in China.2. 　 　 (basic), people refer to ancient Chinese clothing as hanfu.  included Basically 31 1.【解析】考查非谓语动词。分析句子结构和意思可知,动词include和被修饰的名词短语all 56 of its ethnic (民族的) groups是逻辑上的动宾关系,用过去分词形式,表示被动。故填included。 2.【解析】 考查副词。分析句子结构可知,此处应用副词作状语,位于句首,首字母大写。故填Basically。 32 To the 3. 　　 　　 (train) eye,hanfu,the Japanese kimono and the Korean hanbok may look alike.However,each has distinctive design elements,historical 4. 　　 　　 (origin),and cultural significance unique 5. 　　　　 their respective countries.Here are some of the unique features of the special type of clothes.  untrained origins to 33 3.【解析】考查形容词。分析句子结构和意思可知,此处应用形容词untrained(未经训练的)作定语修饰名词eye。故填untrained。 4.【解析】 考查名词复数。分析句子结构和意思可知,origin是可数名词,在此处作宾语,要用复数形式表示泛指。故填origins。 5.【解析】 考查固定短语。此处考查固定短语unique to,意为“唯一的,对……来说是独特的”。故填to。 34 Ancient Chinese clothing was very lightweight.People tend to believe 6. 　　　　 ancient Chinese clothing was bulky and heavy.Although some garments (衣服) were indeed complicated and layered,many traditional clothes,especially 7. 　　　　 made of silk,were designed to be lightweight and comfortable.  that those 35 6.【解析】 考查宾语从句引导词。分析句子结构可知,空处引导宾语从句,从句基本成分完整,上下文意思连贯,应用连词that引导。故填that。 7.【解析】 考查代词。分析句子结构和意思可知,此处用代词those代替上文的复数名词clothes。故填those。 36 Putting on hanfu with proper ceremony was important in ancient Chinese society,as it was a way 8. 　　 　　 (distinguish) social roles.At that time,rules on how to wear,fold,and tie garments 9. 　　 　　 (follow) carefully to project an image of grace,modesty,and respect.Today,some of the flowers of the hanfu revival movement adopt 10. 　　　 same principles.  to distinguish were followed the 37 8.【解析】考查固定短语。分析句子结构和意思可知,这里需要用动词不定式作后置定语,修饰前面的名词way。固定短语a way to do sth意为“做某事的方式”。故填to distinguish。 9.【解析】 考查动词的时态、语态和主谓一致。分析句子成分可知,At that time作时间状语,描述的是过去的事情,谓语用一般过去时,主语rules和动词follow是被动关系,用被动语态,主语为复数,be动词用were。故填were followed。 10.【解析】 考查定冠词。the same是固定搭配,意为“相同的”。故填the。 38 完形填空 　　One day,hundreds of people were stuck in traffic on the highway in below-freezing temperatures due to a snowstorm.With the conditions making it 　1　 for rescue workers to help,many were trapped overnight with no access to 　2　.  39 (　　)1.A. stressful B. effortless C. practical D. difficult D 【解析】 根据上文“One day,hundreds of people were stuck in traffic on the highway in below-freezing temperatures due to a snowstorm.”可知,由于条件恶劣,救援人员很难(difficult)提供帮助。故选D。 (　　)2.A. water B. necessities C. bread D. blankets B 【解析】 由于条件恶劣,救援人员很难提供帮助,许多人被困过夜,无法获得必需品(necessities)。故选B。 40 But one stuck driver found a 　3　 spot in the despair.As she was sitting in her car fearing the 　4　,Casey Holihan and her husband,John Noe,　5　 a bread truck just ahead of them in the jam.Willing to try just about anything,they called the customer service number listed on the back of the truck and left a 　6　 begging for the driver to open the back and 　7　 bread to the hungry passengers around them. 41 (　　)3.A. new B. familiar C. bright D. strange C 【解析】 根据下文“a bread truck just ahead of them in the jam”可知,被困的司机在绝望中找到了一丝光明(bright)。故选C。 (　　)4.A. least B. best C. most D. worst D 【解析】 根据上文“fearing”可知,Casey Holihan正坐在车里担心最糟糕的(worst)情况。故选D。 (　　)5.A. spotted B. realised C. stared D. knew A 【解析】 根据下文“a bread truck just ahead of them in the jam”可知,他们发现(spotted)一辆装载面包的卡车就在他们前面。故选A。 42 (　　)6.A. number B. message C. note D. clue B 【解析】 他们愿意尝试任何办法,于是打电话给卡车后面的客户服务电话,并留言(message)请求司机打开后车厢,把面包分发给周围饥饿的乘客。故选B。 (　　)7.A. lend B. sell C. distribute D. send C 【解析】 根据下文“pass out loaves of bread from his cargo”可知,他们请求司机打开后车厢,把面包分发(distribute)给周围饥饿的乘客。故选C。 43 It was a last-ditch effort,and the couple wasn’t very 　8　 about getting a response.But to their 　9　,they soon received a phone call from the company’s owner,Chuck Paterakis,with the news that he was 　10　 the truck’s driver to open up and pass out loaves of bread from his cargo.Overjoyed by the news,Holihan and Noe 　11　 the truck’s driver to bring much-needed things to the cars around them.  44 (　　)8.A. upset B. optimistic C. excited D. anxious B 【解析】 根据上文“It was a last-ditch effort”以及下文夫妇俩接到电话的反应可知,这对夫妇对得到回应不太乐观(optimistic)。故选B。 (　　)9.A. relief B. regret C. surprise D. credit C 【解析】 根据上文“It was a last-ditch effort,and the couple wasn’t very 　 　 about getting a response.”以及下文“they soon received a phone call from the company’s owner”可知,当这对夫妇接到面包公司老板的电话时,他们很惊讶(surprise)。故选C。  45 (　　)10.A. consulting B. guiding C. begging D. instructing D 【解析】 根据下文“the truck’s driver to open up and pass out loaves of bread from his cargo”可知,他正在指示(instructing)卡车司机打开车门。故选D。 (　　)11.A. kept up with B. teamed up with C. met up with D. put up with B 【解析】 根据下文“the truck’s driver to bring much-needed things to the cars around them”可知,他们与卡车司机合作(teamed up with),把急需的东西送到他们周围的汽车上。故选B。 46 The simple loaves of bread were surely a ray of 　12　 in an impossibly disturbing situation.Holihan herself calls it “one of the 　 13 　moments” she’s ever witnessed.This company could have made a 　14　 from the bread but instead chose to help the people around them.That is just so incredible that someone chose 　 15 　 over profit, especially in a situation where people were so desperate.  47 (　　)12.A. hope B. truth C. inspiration D. faith A 【解析】 在这种令人难以置信的混乱局面中,简单的几条面包无疑是一线希望(hope)。故选A。 (　　)13.A. happiest B. bravest C. kindest D. friendliest C 【解析】 在困难时刻,有人伸出了援助之手,可见这是最善良的(kindest)时刻。故选C。 48 (　　)14.A. profit B. difference C. living D. contribution A 【解析】 根据下文“profit”可知,这家公司本可以从面包中获利(profit)。故选A。 (　　)15.A. welfare B. fame C. award D. humanity D 【解析】 这太不可思议了,有人选择了人性(humanity)而不是利益,尤其是在人们如此绝望的情况下。故选D。 49 结语 十年磨剑放光芒，笔尖生辉多力量，自信满满心莫慌，满腔热血上战场，才思隽永心中藏，知识重点全不忘，乘风破浪会有时，金榜题名定辉煌。祝同学们高考加油！ 50 THANK YOU! null 221140.3 $