Unit 5 Power of Ideas (Section A)核心知识点精讲精练-2026-2027学年九年级英语上册（新教材人教版）

Unit 5 Power of Ideas 核心知识点精讲 1 (Section A) 【主要内容】 · 【单元核心知识点精讲精练】每个单元按照教材安排分为Section A；Grammar和Section B三个部分。 · Section A部分包括本部分重点短语集锦、重点词汇解析、重难句型解析、其他知识解析等板块，核心知识点讲解中包含适当数量，多种类型的随学随练。配有“知识过关练习”，包含词汇填空、单句语法填空、单项填空、短文填空、翻译句子等题型。 · Section A部分内容思维导图如下: 1、 重点短语集锦 1. mobile phone 手机 2. high-speed train 高速列车 3. a pair of sunglasses 一副太阳镜 4. be connected to... 被连接到…… 5. hundreds (of ...) 许多；大量 6. all time 有史以来；一直 7. the Atlantic Ocean 大西洋 8. as well 也；同样 9. have a big effect on... 对…… 有很大影响 10. around the world / all over the world 世界各地；全世界 11. be supposed to do 应当做（某事） 12. start the machine 启动机器 13. solve different problems 解决不同的问题 14. the frozen ground 冻土；冰冻的地面 15. too...to... 太…… 而不能…… 16. increase tourism and economic development 促进旅游业与经济发展 2、 重点词汇解析 1. invention /ɪnˈvenʃn/n. 发明；创造 invent /ɪnˈvent/v. 发明；编造 [词汇拓展] inventor(n.)发明者，发明家；inventive(adj.)善于创新的；有创意的 [词汇搭配] invent an artificial arm发明一只人造手臂；his new invention他的新发明 [词汇用法] · invent用作动词。 He invented the first electric clock.他发明了第一个电动机械钟。 · invention是名词，表示“发明物”时，指具体的东西，用作可数名词；表示“发明”时，指的是行为，用作不可数名词。 Fax machines were a wonderful invention at the time.传真机在当时是一项了不起的发明。 Such changes have not been seen since the invention of the printing press.自从发明了印刷机，这种变 革还没有出现过。 [随学随练] 用invent适当形式填空。 (1) Do you know who ________ (发明) the plane? 【答案】invented 【详解】句意：你知道谁发明了飞机吗？“发明”invent，主现从不限，发明飞机这个动作发生在过去，此处用一般过去时，从句谓语用invented。故填invented。 (2) Thomas Edison (爱迪生) was a ________ (invent) and a successful businessman. 【答案】inventor 【详解】句意：托马斯·爱迪生是一位发明家，也是一位成功的商人。句中空格前是冠词a，且与“and a successful businessman”并列，需填入表示“发明家”的名词单数。invent的名词形式为inventor，故填inventor。 (3) The ________ (invent) of the light changed people’s life greatly. 【答案】invention 【详解】句意：电灯的发明极大地改变了人们的生活。空格前有定冠词The，空格后有介词of，说明此处需要填名词。invent是动词，意为“发明”，它的名词形式invention表示“发明物；发明”，故填invention。 (4) The compass(指南针) was a great Chinese ________ (invent). 【答案】invention 【详解】句意：指南针是中国一项伟大的发明。形容词great和Chinese后需要接名词，括号内动词invent对应的名词形式为invention，符合语法规则与句子语义要求。 2. itself /ɪtˈself/pron. 它自己 [词汇搭配] by oneself 独自，单独；enjoy oneself玩得开心 [词汇例句] The cat was washing itself.猫在清洗自己。 [词汇用法] · -self/-selves 构成的代词叫作反身代词。第一人称和第二人称的反身代词由形容性物主代词词尾加-self/-selves构成；第三人称的反身代词由宾格代词词尾加-self/-selves构成。 · 同一人称反身代词有单复数之分。 人称 主格人称代词 宾格人称代词 反身代词 单数 复数 单数 复数 单数 复数 第一人称 I 我 we 我们 me 我 us 我们 myself 我自己 ourselves 我们自己 第二人称 you 你 you 你们 you 你 you 你们 yourself 你自己 yourselves 你们自己 第三人称 he 他 she 她 it 它 they 他/她/它们 him 他 her 她 it 它 them 他/她/它们 himself 他自己 herself她自己 itself它自己 themselves 他/她/它们自己 · 反身代词可以做相同人称的宾语，表示动作的主语和宾语是同一个人。 The boy can dress himself. (注意：不用him) [随学随练] 单项填空。 (1) Be careful with knives (刀). Many people cut ________ in the kitchen. A．yourselves B．herself C．themselves D．itself 【答案】C 【详解】句意:小心用刀。许多人都在厨房里割伤了自己。考查反身代词。yourselves你们自己;herself她自己;themselves他们自己;itself它自己。根据“Many people cut..in the kitchen.”可知，主语是“many people”，空处应用反身代词themselves，表示割伤了他们自己。故选C。 (2) Don’t worry. The little pigeon can look after ________ well. A．it B．its C．itself D．it’s 【答案】C 【详解】句意：别担心。这只小鸽子能照顾好它自己。 it它；its它的；itself它自己；it’s它是。根据主语“The little pigeon”可知，当动作的发出者和承受者是同一对象时，宾语需用反身代词，此处表示鸽子照顾“它自己”，应填itself。 3. printer /ˈprɪntə(r)/n. 打印机；印刷公司 [词汇拓展] print(v.)打印；印刷 [词汇搭配] 3D printer 3D打印机；a colour/laser printer 彩色/激光打印机 [词汇例句] The manuscript had already been sent off to the printers.原稿已经寄给印刷厂了。 [随学随练] 单项填空。 This new ________ works fast and can ________ 50 papers in one minute. A．printer; print B．print; printer C．printing; prints D．prints; printed 【答案】A 【详解】句意：这台新的‌打印机‌工作速度很快，一分钟就能‌打印‌50张纸。 print打印，动词原形；printer打印机，名词；printing打印，动名词/现在分词；prints打印，第三人称单数形式；printed打印，过去式。第一空前面有形容词new，形容词后需要接名词作句子的主语，说明这个物品的身份。printer作句子主语符合语法要求；第二空前面有情态动词can，情态动词后面必须接动词原形，print是动词原形，放在情态动词can之后完全合规。故选A。 4. produce /prəˈdjuːs/v. 生产；繁育 n.农产品 [词汇拓展] product(n.)产品；production(n.)生产，制造；产量；producer(n.)生产者 productive (adj.)多产的；富有成效的；productivity (n.)生产力；生产率 [词汇搭配] produce sugar 生产糖 [词汇例句] The shop sells only fresh local produce.这家商店专售当地的新鲜农产品。 The region produces over 50% of the country's wheat.此地出产全国50%以上的小麦。 [随学随练] 用produce的适当形式填空。 (1) This factory produces cars , and they are popular among young people. (2) Brazil(巴西) is the world's biggest producer of coffee.  (3) The fruit production rose a lot last year. (4) He hoped to get the best product at a low price. 5. plastic/ˈplæstɪk/ n.塑料 adj.塑料的 [词汇搭配] plastic bag塑料袋；the plastic industry塑料工业 [词汇例句] The pipes should be made of plastic .这些管子应该是用塑料制作的。 [随学随练] It is very harmful to use ____________ bags, so we should take our own cloth bags to go shopping. A．plastic B．wooden C．ugly D．soft 【答案】A 【详解】句意：使用塑料袋是非常有害的，所以我们应该带自己的布袋去购物。 考查形容词辨析。plastic塑料的；wooden木制的；ugly丑陋的；soft柔软的。根据常识可知，使用塑料袋是非常有害的。故选A。 6. suppose /səˈpəʊz/v. 认为；推断 [词汇拓展] supposed (adj.)误以为的；所谓的；supposedly (adv.)据说；据传 [词汇搭配] be supposed to do/be sth应当做（某事）或是（某物）；I suppose 我想，我看 [词汇用法] · I suppose后加that从句表达否定的意见或看法时，通常否定suppose而非that从句中的动词。 如，通常说 I don't suppose he ever saw it（我认为他从没见过），而不说 I suppose he didn't ever saw it。 · suppose或supposing 后接从句，可以表示“假设，假定”。 Suppose/Supposing someone gave you an apple. 假设有人给了你一个苹果。 [随学随练] 单项填空。 I ________ you have been to Hangzhou, haven’t you? A．allow B．discuss C．suppose D．influence 【答案】C 【详解】句意：我猜想你去过杭州，是吗？ allow允许；discuss讨论；suppose猜想，认为；influence影响。根据句末反意疑问句“haven’t you?”可知，主句表达的是说话人的推测并寻求确认，suppose符合语境。 7. frozen /ˈfrəʊzn/adj. 冻硬的；冰封的 [词汇拓展] freeze (v.)(过去式：froze；过去分词frozen)(使)冻结，结冰;(使)冻住;极冷；(使)冻死； freezing /ˈfriːzɪŋ/ adj.极冷的，严寒的 [词汇搭配] the frozen ground冻硬的土地；frozen peas冷冻豌豆 [词汇例句] It was bitterly cold now and the ground was frozen hard.现在天气极冷，地面都冻硬了。 [随学随练] 用freeze的适当形式填空。 (1) Water freezes at 0˚C. (2) Two men froze to death on the mountain yesterday. (3) The cinema was freezing. (4) Frozen fish is a very healthy food. 8. tourism /ˈtʊərɪzəm/n. 旅游业 [词汇拓展] tour(n./v.) 旅行；游览；tourist /ˈtʊərɪst/ n.旅行者；观光客 [词汇搭配] the tourism industry旅游业；increase tourism促进旅游业发展 [词汇例句] The area is heavily dependent on tourism. 这个地区非常依赖旅游业。 [随学随练] As an important and successful project, the railway has increased _________ and economic development in the area. A．tourist B．tourism C．tourists D．tour 【答案】B 【详解】句意：作为一个重要且成功的项目，这条铁路促进了该地区的旅游业和经济发展。 tourist游客；tourism旅游业；tourists游客们；tour旅行。根据“and economic development”可知，空格处应与“经济发展”构成并列关系，指代行业或抽象概念，应填tourism。 9. economic /ˌiːkəˈnɒmɪk/adj. 经济的；经济学的；有利可图的，赚钱的 [词汇拓展] economy(n.)经济；economics(n.)经济学；economically(adv.)经济地 economical(adj.)经济的、节俭的、节约的 [词汇搭配] economic development经济发展；economic growth经济增长 [词汇例句] Economic growth is expected to average 2% next year.明年经济增长预计平均可达2%。 [随学随练] 用economic的适当形式填空 (1) There are clear indications(迹象) that the economy is improving. (2) The country is experiencing slow but stable economic growth. (3) It is usually economical to buy washing powder in large quantities(数量). 10. gain /ɡeɪn/v. 获得；取得 n. 增加；好处，利益 [词汇搭配] gain ...from...从...中获得...；gain experience获得经验；gain confidence增加信心 gain ground变得更强大（或更有成效、更成功）；有进步；获得进展 no pain, no gain不劳则无获 [词汇例句] His books have gained in popularity in recent years. 近年来他的书越来越受欢迎。 [随学随练] (1) —Listening is difficult for me. I don’t want to practice hard. It’s too tiring. —Don’t give up. You know the saying “________”. A．Love me, love my dog B．Every dog has its day C．Many hands make light work D．No pain, no gain 【答案】D 【详解】句意：——听力对我来说很难。我不想努力练习。太累了。——别放弃。你知道谚语“不劳无获”。 Love me, love my dog爱屋及乌；Every dog has its day凡人皆有得意日；Many hands make light work人多好办事；No pain, no gain不劳无获。根据“Don’t give up”及前文提到练习太累不想努力，可知此处鼓励对方努力付出才会有收获，符合No pain, no gain 的含义。故选D。 (2) By practising hard every week, Lisa can ________ more skills in playing volleyball this term. A．lose B．gain C．forget D．miss 【答案】B 【详解】句意：通过每周努力练习，丽莎这学期可以在打排球方面获得更多技能。 lose失去；gain获得；forget忘记；miss错过。根据“By practising hard every week”可知，努力练习的结果应该是获得技能，应填gain。 3、 重难句型解析 1. 被动语态 (教材原句)A mini-camera is connected to the front of the glasses (教材原句)A radio message was sent across the Atlantic Ocean for the first time in 1 901. 两个句子中的is connected和was sent都是由“be+过去分词”构成的被动语态结构，表示主语是动作的承受者。be动词跟随时态和人称进行变化。is connected是一般现在时的被动语态；was sent是一般过去时的被动语态。 如：The room is cleaned every day. 这个房间每天被打扫。 He was hurt by a ball just now. 他刚刚被一个球伤到了。 [随学随练] 单项填空 (1) The old-fashioned puppets are well kept by the young performers, so they ________ by more and more teenagers. A．are loved B．love C．were loved D．will love 【答案】A 【详解】句意：这些老式木偶被年轻表演者很好地保存着，所以它们被越来越多的青少年喜爱。 主语they指代puppets，与love之间是被动关系；根据前句“are well kept”可知，时态为一般现在时，应填are loved。 (2) The old machine ________ by this local factory ten years ago. A．produces B．produced C．was produced D．is produced 【答案】C 【详解】句意：这台旧机器是十年前由这家当地工厂生产的。 根据时间状语“ten years ago”（十年前）可知，句子应用一般过去时。主语“The old machine”与动词“produce”之间是被动关系（机器是被生产的），因此应用一般过去时的被动语态，即was/were + 过去分词。主语是单数，故用was produced。 2. 主语从句 (教材原句)It is believed that the oldest wheel was found in Eastern Europe. 此句中it是形式主语，真正的主语其后的that主语从句。It is believed that...意为“人们认为...”is believed也是一个被动语态的结构。 类似的句型有： It is reported that...据报道... It is said that... 据说... It is expected that... 人们期待...；有望... 如：It is said that a famous scientist will make a speech in our school. 据说一位著名科学家将在我校做一场 演讲。 [随学随练] 单项填空 (1) It is said ________ national ID cards in China will soon go digital(电子的) in the near future. A．which B．what C．when D．that 【答案】D 【详解】句意：据说，在不久的将来，中国的国民身份证将很快实现数字化。 考查It固定句型。根据“It is said...national ID cards in China will soon go digital(电子的) in the near future.”可知，此处是“It is said that...”句型，意为“据说”，故选D。 (2) It is ________ that computers were invented in America. A．believe B．to believe C．believing D．believed 【答案】D 【详解】句意：人们相信电脑是在美国发明的。 believe动词原形；to believe动词不定式；believing动名词/现在分词；believed过去分词。“It is believed that...”意为“人们认为/据信……”，此处需用过去分词构成被动结构。 4、 其他知识解析 1. 过去分词作定语 (教材原句)Super See is a pair of sunglasses designed to protect people’s eyes. (教材原句)The lessons learnt and experience gained from building this railway will help improve ... 句中的designed,learnt,gained都是单个的过去分词形式，在句子跟在名词后面修饰前面的名词，作定语成分。过去分词所定语，与名词前构成被动关系。 如：The book written by Lu Xun is popular. 鲁迅写的那本书很受欢迎。 [随学随练] 单项填空 The building ________ last year is our new library. A．built B．building C．was built D．to build 【答案】A 【详解】句意：去年建成的那栋楼是我们的新图书馆。 句中“The building... last year is our new library.”已有谓语is，此处不能再使用谓语形式was built；building表主动，to build表将来，均不符合语境；built last year作后置定语表被动，符合语境，应填built。 2. it作形式宾语 (教材原句)The radio made it much easier for people to enjoy music from artists around the world. 句中it用作形式宾语，真正的宾语是后面的不定式结构。 一些动词如make, find, think, feel等接宾语，并且有宾语补足语时，常用it作形式宾语，而把真正的宾语变为不定式结构置于宾语补足语之后，形成“动词+it+宾语补足语+to do...”结构。 如：I find it hard to learn English well. 我发现学好英语很难。 [随学随练] 翻译句子 (1) 我发现尽可能多地了解不同国家的风俗习惯是很有帮助的。 【答案】I find it helpful to know about the customs in different countries as much as possible. (2) 这个强大的互联网连接让分享知识变得更容易。 【答案】The strong Internet connection makes it easier to share knowledge. 3. it作形式主语 (教材原句)... it was impossible to build the railway over the frozen ground 此句中it是形式主语，真正的主语是后面的不定式。 如：It is important to keep healthy. 保持健康很重要。 [随学随练] 翻译句子 (1) 勇敢面对寒冷天气对他而言很难。 ____________________________________________________________________________________________ 【答案】It’s hard for him to face the cold weather bravely. (2) 当你情绪低落时和你父母争吵是不明智的。 ____________________________________________________________________________________________ 【答案】It is not wise to quarrel/argue with your parents when you feel down. 4. 现在分词作状语 (教材原句)...and it is the highest railway in the world , reaching 5,072 metres above sea level at Tanggula Pass. 本句中reaching是现在分词结构，在句中充当状语成分。现在分词的动作是有主句主语发出的，二者之间构成主动关系。 如：The river rises quickly, flooding many fields. 河水上涨很快，淹没了很多田地。 Walking along the street, I saw an old friend. 在街上走的时候，我看见了一位老朋友。 [随学随练] 单项填空 The great artist died at the age of 92, ________ ________ thousands of paintings. A．leave behind B．leaves behind C．leaving behind D．leaved behind 【答案】C 【详解】句意：这位伟大的艺术家在92岁时去世，留下了数千幅画作。 根据“The great artist died at the age of 92”可知，句子已有谓语动词died，空格处表示艺术家去世时留下了数千幅画作，应用现在分词短语leaving behind作伴随状语，补充说明去世时的结果，应填leaving behind。 5、 知识过关练习 1. 词汇填空  根据据提示填写正确形式的单词，每空一词。 (1) The ________ (轮子) is a simple but very helpful invention in human history. 【答案】wheel 【详解】句意：轮子是人类历史上一项简单却非常有用的发明。空格前定冠词The修饰名词，此处在句中作主语，应填入名词。根据汉语提示可知wheel表示“轮子”，为可数名词，后面be动词是is，故填wheel。 (2) The little boy thinks his father is a ________ (超级的) hero who can do anything. 【答案】super 【详解】句意：这个小男孩认为他的父亲是一个无所不能的超级英雄。“超级的”对应形容词super，作定语，修饰名词hero。 (3) Without human control, this modern robot can finish most tasks by i________ (它自己). 【答案】itself/tself 【详解】句意：没有人类控制，这个现代机器人可以独自完成大部分任务。根据句意及首字母提示i可知，句中“by oneself”是固定搭配，表示“独自、自己”；主语是robot（事物），对应的反身代词是itself，故填itself。 (4) The 3D printer can p________ (生产) many kinds of things, such as toys and houses. 【答案】produce/roduce 【详解】句意：这台3D打印机可以生产很多种物品，例如玩具和房屋。结合汉语“生产”及首字母p的提示可知，对应的英文单词是produce；情态动词can后面接动词原形；故填produce。 (5) The price of goods and housing may rise because of the growth of ________ (旅游业). 【答案】tourism 【详解】句意：由于旅游业的发展，商品和住房的价格可能会上涨。空格前介词“of”后边需要接名词，“旅游业”对应的名词是tourism，不可数名词。 (6) The country has made great progress in ________ (经济的) development in recent years. 【答案】economic 【详解】句意：近年来，这个国家在经济发展方面取得了巨大进步。“经济的”可用economic表示，形容词作定语修饰development。 (7) We can g________ much knowledge from old books. (获得；取得) 【答案】gain 【详解】句意：我们可以从旧书中获取很多知识。根据中文及单词首字母，此处是指gain，情态动词can后面必须接动词原形，应填gain。 (8) Tom ________ (发明) a new machine for making pizza last year. 【答案】invented 【详解】句意：Tom去年发明了一种制作披萨的新机器。invent“发明”，动词，根据“last year”可知句子是一般过去时，动词用过去式。故填invented。 (9) Bill’s father will buy a new c________ (照相机) for his twelfth birthday. 【答案】(c)amera 【详解】句意：比尔的父亲将在他十二岁生日时买一台新照相机给他。camera照相机，是可数名词，a后接名词的单数。故填(c)amera。 (10) Many people like to take ________ ________ for long trips. (高速列车) 【答案】 high‑speed trains 【详解】句意：许多人喜欢乘坐高速列车进行长途旅行。 high-speed train“高速列车”，此处表示一类交通工具，应用复数形式high‑speed trains。 (11) We should reduce ________ (塑料的) waste to protect the environment. 【答案】plastic 【详解】句意：我们应该减少塑料垃圾来保护环境。“塑料的”plastic，形容词，修饰名词waste。 (12) The old man ________ (认为) that the young man was telling the truth. 【答案】supposed 【详解】句意：这位老人认为这个年轻人当时在讲真话。由从句中的was可知句子时态为一般过去时，主句谓语动词也要使用过去式；中文提示“认为”对应的单词suppose，过去式为supposed，因此应填supposed。 2. 单句语法填空 用所给词的正确形式填空或者根据句意填写适当的单词使句意通顺。 (1) Edison was a great ________ (invent). The light bulb ________ (invent) by him. It is one of the most useful ________ (invent). 【答案】 inventor was invented inventions 【详解】句意：爱迪生是一位伟大的发明家。灯泡是由他发明的。它是最实用的发明之一。第一空由Edison可知是发明家，a great后接指人的名词，故填inventor；第二空主语“The light bulb”与invent为被动关系，此处指发生在过去的事情，用一般过去时的被动语态“was/were +过去分词”，主语为第三人称单数，故填was invented；第三空为“one of + 形容词最高级 + 可数名词复数”结构，故填inventions。 (2) The new tool ________ (it) is very useful, but you must know how to use it correctly. 【答案】itself 【详解】句意：这个新工具本身非常有用，但你必须知道如何正确使用它。此处需要反身代词作“The new tool”的同位语，用来强调“这个新工具本身”，it对应的反身代词是itself。 (3) The ________ (produce) of cars in this factory has doubled this year. 【答案】production 【详解】句意：这家工厂今年的汽车产量翻了一番。根据“The...of cars...has...”可知，空处为句子的主语，需要填一个单数名词/不可数名词。produce“生产”是动词，其名词形式为production“产量”，不可数名词。 (4) More and more high-tech products ________ (produce) in China every year. 【答案】are produced 【详解】句意：每年在中国生产越来越多的高科技产品。句中主语“More and more high-tech products”与谓语动词“生产”之间为被动关系，应用被动语态。时间状语“every year”提示动作经常发生，应用一般现在时的被动语态。一般现在时被动语态的结构为“am/is/are + 过去分词”，主语为复数，故填are produced。 (5) My brother uses the ________ (print) to make copies of his drawings for school. 【答案】printer 【详解】句意：我哥哥用打印机为学校复印他的画。句中“the”为定冠词，后面需要接名词作动词uses的宾语，表示“打印机”。print的名词形式为printer，意为“打印机”，符合句意，故填printer。 (6) Qingdao is in the ________ part of Shandong Province. (east) 【答案】eastern 【详解】句意：青岛位于山东省的东部地区。此处需要用形容词作定语修饰名词part。east是名词，意为东部，其形容词形式eastern表示东部的。 (7) The weather in winter was cold and everything seemed to be _______ (freeze). 【答案】frozen 【详解】句意： 冬季的天气很冷，一切似乎都冻住了。freeze是动词，意为“冻结”，在句中作表语，需用形容词形式frozen“冻僵的，冰冻的”。故填frozen。 (8) Last summer, my family took a one‑week ________ around a beautiful village. We ________ the old town and took many nice photos. Friendly ________ from different countries shared interesting stories. The clean environment and nice food helped develop the local ________ quickly. (tour) 【答案】 tour toured tourists tourism 【详解】句意：去年夏天，我们全家在一个美丽的村庄进行了为期一周的旅行。我们游览了古镇，拍了很多好看的照片。来自不同国家的友好的游客分享有趣的故事。干净的环境和美食助力当地旅游业快速发展。第①空位于不定冠词a和形容词one-week后面，应填单数名词；根据“around a beautiful village”可知，此处指旅行。tour意为“旅行”，故填tour。第②空作句子的谓语，应填动词；根据“the old town”可知，此处指游览了古镇，tour意为“游览”；and连接并列的谓语，空处和后面的took时态一致，用一般过去时，故填toured。第③空位于形容词Friendly后面，应填名词；根据“from different countries”可知，此处指游客，tourist意为“游客”；根据“from different countries”可知，来自不同国家表示有许多游客，用复数形式，故填tourists。第④空位于形容词local后面，应填名词；根据“helped develop the local”可知，此处指旅游业；不可数名词tourism意为“旅游业”，故填tourism。 (9) The opening of the new subway line has greatly promoted the development of the local ________. (economic) 【答案】economy 【详解】句意：新地铁线路的开通极大地促进了当地经济的发展。根据空前的形容词local“当地的”可知，空处要填名词，作宾语；economic的名词是economy，此处特指当地经济，当“经济”讲时，为不可数名词。故填economy。 (10) A lot of waste ________ (throw) into the sea before, but now it’s stopped. 【答案】was thrown 【详解】句意：以前很多垃圾被扔进海里，但现在这种情况已经停止了。主语waste和throw是被动关系；before表示过去，waste是不可数名词，一般过去时被动语态用was thrown。 (11) Stephen Hawking ________ (recognize) as one of the greatest scientists of the 20th century. 【答案】is recognized 【详解】句意：史蒂芬·霍金被公认为20世纪最伟大的科学家之一。recognize“认可，公认”，句中主语Stephen Hawking和recognize构成被动关系，需使用被动语态结构“be + 过去分词”；主语为第三人称单数，描述客观公认的事实用一般现在时，be动词用is，recognize的过去分词形式是recognized，构成固定搭配be recognized as，意为“被公认为……”。 (12) The invention makes it easier ________ (manage) waste in an environment-friendly way. 【答案】to manage 【详解】句意：这项发明让我们能用环保的方式处理垃圾变得更加简便。固定句型：make it + 形容词 + to do sth.“使做某事变得……”，it是形式宾语，真正的后置宾语是后面的动词不定式to do，括号内提示词是动词manage，所以填to manage。 3. 单项填空 (1) —How can we ________ O₂? —Follow this: A．heat B．produce C．invent D．reflect 【答案】B 【详解】 句意：——我们如何制造氧气？——按照这个： 考查动词辨析及常识。heat加热；produce生产、制造；invent发明；reflect反射、反映。根据化学方程式可知，这里是说如何制造氧气，B项符合。故选B。 (2) The EBO-SE robot can charge (充电) ________, so it can keep watching your pets all day long. A．it B．its C．itself D．themselves 【答案】C 【详解】句意：EBO-SE机器人可以自行充电，所以它可以整天照看你的宠物。 考查代词辨析。it它，人称代词主格或宾格；its它的，形容词性物主代词或名词性物主代词；itself它自己，反身代词；themselves它们自己，反身代词。根据“The EBO-SE robot can charge (充电)…”可知，此处指机器人自己给自己充电，应该用反身代词，且主语是单数“The EBO-SE robot”，所以反身代词用itself。故选C。 (3) There are two ________ volunteers, and ________ volunteers come from China. A．thousand; hundred of B．thousands; hundred of C．thousands; hundreds of D．thousand; hundreds of 【答案】D 【详解】句意：有两千名志愿者，成百上千名志愿者来自中国。 前面有具体数字，hundred/thousand用单数，不加s，不加of：因此第一空是two thousand。前面无具体数字，表示模糊概数，要用hundreds/thousands + of。 (4) — Could you help me deal with this important file? It needs printing right away. — Sorry, my ________ has just broken down. You have to wait. A．button B．printer C．wheel D．pipe 【答案】B 【详解】句意：——你能帮我处理一下这个重要文件吗？它需要马上打印。——抱歉，我的打印机刚刚坏了。你得等一等。 button纽扣；printer打印机；wheel轮子；pipe管道。根据上文“It needs printing right away.”可知文件需要立刻打印，结合语境推测是打印设备坏了，所以无法帮忙。故填printer。 (5) —The school concert was fantastic! Do you think the music teacher will organize another one next month? —I’m not sure, but I________ she will. It was so successful. A．suppose B．surprise C．support D．suggest 【答案】A 【详解】—— 学校音乐会太棒了！你认为音乐老师下个月会再组织一场吗？ —— 我不确定，但是我猜想她会 (组织)。这场音乐会办得非常成功。 suppose猜想，认为；surprise使惊讶；support支持；suggest建议。答语“I’m not sure”说明是一种推测、猜想。suppose表示猜想，I suppose (that)… 我猜想……，符合语境。故选A。 (6) The river is ________ because of the low temperature, so people can skate on it. A．wet B．frozen C．deep D．thick 【答案】B 【详解】句意：因为低温，这条河冻结了，所以人们可以在上面滑冰。 wet湿的；frozen冻结的；deep深的；thick厚的。根据“because of the low temperature”和“so people can skate on it”可知，只有在河水结冰的情况下才能在上面滑冰，frozen符合语境。 (7) My father likes taking photos. He always takes his ________ with him when he travels. A．layer B．camera C．radio D．telephone 【答案】B 【详解】句意：我父亲喜欢拍照。他旅行时总是带着他的相机。 layer层；camera相机；radio收音机；telephone电话。根据“My father likes taking photos.”可知父亲喜欢拍照，推测出他旅行时会带相机。 (8) —Our city will hold a big flower festival next month. —Great! It can help develop the local ________ and make our city more famous. A．instruction B．tourism C．condition D．protection 【答案】B 【详解】句意：——我们城市下个月将举办一个大型花卉节。——太棒了！它可以帮助发展当地的旅游业，让我们的城市更出名。 instruction指导；tourism旅游业；condition条件；protection保护。根据“hold a big flower festival”可知，举办花卉节能吸引游客，促进当地旅游业发展，应填tourism。 (9) Nanjing held the Youth Olympic Games in 2014 and will host more international events. This shows the city’s _______ development in recent years. A．economic B．natural C．educational D．environmental 【答案】A 【详解】句意：南京于2014年举办了青奥会，并将举办更多国际赛事。这表明了该市近年来经济的发展。 考查形容词辨析。economic经济的；natural自然的；educational教育的；environmental环境的。根据“host more international events”可知，这体现了城市“经济”方面的发展。故选A。 (10) —Have you heard of the 24 solar terms (节气) in China? —Yes. They ________ the wisdom and knowledge of ancient Chinese. A．reflect B．gain C．offer D．produce 【答案】A 【详解】句意：——你听说过中国的24节气吗？——是的。它们反映了中国古人的智慧和知识。 考查动词辨析。reflect反映；gain增加；offer提供；produce生产。根据“the 24 solar terms (节气) in China”和“ the wisdom and knowledge of ancient Chinese”可知，24节气反映了中国古人的智慧，故选A。 (11) —I heard that the latest AI drawing tool ________ to all users for free last month. —Yes. That’s why you can see so many amazing digital artworks online these days. A．was offered B．is offered C．will be offered D．has offered 【答案】A 【详解】句意：——我听说最新的AI绘画工具上个月免费提供给所有用户了。——是的。这就是为什么这几天你能在网上看到这么多惊人的数字艺术作品。 根据时间状语“last month”可知句子时态为一般过去时；主语“the latest AI drawing tool”与动词“offer”之间是被动关系，需用被动语态。一般过去时的被动语态构成为was/were+过去分词。 (12) The new app makes ________ easy for students ________ their spoken English online every day. A．it; practice B．that; practice C．it’s; to practice D．it; to practice 【答案】D 【详解】句意：这款新应用程序使得学生每天在线练习口语变得容易。 此处是常用句型“make it + adj. + for sb. + to do sth.”，it作形式宾语，真正的宾语是后面的动词不定式。根据句型结构，空一填it作形式宾语，空二填to practice作真正的宾语。 4. 短文填空 用所给词的适当形式填空或填写一个词使句意完整。 Albert Einstein once said, “I have no special talents. I am only passionately curious.” In fact, many great 1 (discover) and inventions would not have been possible without this quality. Curiosity often leads 2 new understanding. Benjamin Franklin, for example, was deeply curious about electricity. His experiments, widely known today, 3 (rapid) advanced early electrical science. Through his work, the lightning rod 4 (invent), protecting buildings from storms. Curiosity also drives people to create. During the Ming Dynasty, Wan Hu was so curious about flight that he attempted to build a “flying chair” made of kites and rockets. He was supposed 5 (reach) the sky, but the test ended tragically. Still, his courage 6 (it) inspired later generations to explore space more safely. Curiosity, however, is not just about bold attempts. It also carries a 7 (responsible) to question, learn, and build upon what is known. People have always wondered how the world works and 8 to understand it better. This drive is at the heart of scientific progress. As explorer Jacques Cousteau noted, a scientist is like someone “looking through a keyhole, 9 opening into nature.” It is curiosity, 10 (complete) focused and patiently applied, that continues to open doors to new worlds for all of us. 【答案】1．discoveries 2．to 3．rapidly 4．was invented 5．to reach 6．itself 7．responsibility 8．how 9．an 10．completely 【导语】本文围绕“好奇心”这一主题展开论述，引用爱因斯坦、富兰克林、万户、雅克·库斯托等人的事例和名言，说明好奇心是科学发现与发明的重要动力，它能推动人们探索未知、创造新事物，是科学进步的核心。 【详解】 1．句意：事实上，如果没有这种品质，许多伟大的发现和发明都不可能实现。根据空前many可知，此处需填可数名词复数。括号内所给词为discover，其名词形式discovery的复数形式为discoveries。 2．句意：好奇心常常带来新的理解。lead to是固定搭配，意为“导致、带来”，故填to。 3．句意：他如今广为人知的实验，迅速推进了早期电学的发展。修饰动词advanced，需用副词形式。括号内所给词为rapid，其副词形式为rapidly。 4．句意：通过他的工作，避雷针被发明出来，保护建筑物免受风暴侵袭。主语the lightning rod与invent之间是被动关系，描述过去的事情，用一般过去时的被动语态，invent的过去分词是invented，故填was invented。 5．句意：他本应到达天空，但试验以悲剧告终。be supposed to do sth.是固定搭配，意为“本应该做某事”，reach的不定式是to reach。 6．句意：尽管如此，他的勇气激励了后人更安全地探索太空。此处用于强调“他的勇气本身”，作主语his courage的同位语，表示强调用it的反身代词itself，意为“本身、自身”，指他的勇气本身激励了后人。 7．句意：它还承载着一种质疑、学习并在已知基础上继续建设的责任。空前有不定冠词a修饰，需填名词单数。括号内所给词为responsible，其名词形式为responsibility。 8．句意：人们一直想知道世界是如何运作的，并试图更好地理解它。结合语境，这里表示“世界是如何运作的”，此处用how构成疑问词 + 不定式结构作宾语，与前面的how并列，构成“wondered how... and how...”，表示“想知道世界是如何运作的，以及如何更好地理解它”。故填how。 9．句意：正如探险家雅克·库斯托所说，科学家就像“透过钥匙孔观察、一个通往自然的大门”的人。 在这个语境中，科学家透过钥匙孔看到的是“一个通向大自然的开口”，泛指“一个开口”，需要用不定冠词表示泛指的数量“一个”。opening在此作名词，意为“开口”，以元音音素/əʊ/开头，用不定冠词an。 10．句意：正是好奇心，完全专注并耐心运用，继续为我们所有人打开通往新世界的大门。修饰形容词focused，需用副词形式。括号内所给词为complete，其副词形式为completely。 5. 翻译句子 (1) 高速列车使我们在城市之间快速出行成为可能。 【答案】High-speed trains make it possible for us to travel quickly between cities. (2) 每年大量的新产品在这家工厂被生产出来。 【答案】Lots of new products are produced in this factory every year. (3) 我们应该富有创造力，并勇敢地创造新事物。 【答案】We are supposed to be creative and create new things bravely. (4) 毫无疑问，智能手机对我们的生活有很大的影响。 【答案】It is certain that smartphones have a big effect on our lives. (5) 人们相信一个人读书越多就会越聪明。 【答案】People believe (that)/ It is believed that the more a person reads, the wiser/cleverer he will/ can become. 学科网（北京）股份有限公司 $ Unit 5 Power of Ideas 核心知识点精讲 1 (Section A) 【主要内容】 · 【单元核心知识点精讲精练】每个单元按照教材安排分为Section A；Grammar和Section B三个部分。 · Section A部分包括本部分重点短语集锦、重点词汇解析、重难句型解析、其他知识解析等板块，核心知识点讲解中包含适当数量，多种类型的随学随练。配有“知识过关练习”，包含词汇填空、单句语法填空、单项填空、短文填空、翻译句子等题型。 · Section A部分内容思维导图如下: 1、 重点短语集锦 1. mobile phone 手机 2. high-speed train 高速列车 3. a pair of sunglasses 一副太阳镜 4. be connected to... 被连接到…… 5. hundreds (of ...) 许多；大量 6. all time 有史以来；一直 7. the Atlantic Ocean 大西洋 8. as well 也；同样 9. have a big effect on... 对…… 有很大影响 10. around the world / all over the world 世界各地；全世界 11. be supposed to do 应当做（某事） 12. start the machine 启动机器 13. solve different problems 解决不同的问题 14. the frozen ground 冻土；冰冻的地面 15. too...to... 太…… 而不能…… 16. increase tourism and economic development 促进旅游业与经济发展 2、 重点词汇解析 1. invention /ɪnˈvenʃn/n. 发明；创造 invent /ɪnˈvent/v. 发明；编造 [词汇拓展] inventor(n.)发明者，发明家；inventive(adj.)善于创新的；有创意的 [词汇搭配] invent an artificial arm发明一只人造手臂；his new invention他的新发明 [词汇用法] · invent用作动词。 He invented the first electric clock.他发明了第一个电动机械钟。 · invention是名词，表示“发明物”时，指具体的东西，用作可数名词；表示“发明”时，指的是行为，用作不可数名词。 Fax machines were a wonderful invention at the time.传真机在当时是一项了不起的发明。 Such changes have not been seen since the invention of the printing press.自从发明了印刷机，这种变 革还没有出现过。 [随学随练] 用invent适当形式填空。 (1) Do you know who ________ (发明) the plane? (2) Thomas Edison (爱迪生) was a ________ (invent) and a successful businessman. (3) The ________ (invent) of the light changed people’s life greatly. (4) The compass(指南针) was a great Chinese ________ (invent). 2. itself /ɪtˈself/pron. 它自己 [词汇搭配] by oneself 独自，单独；enjoy oneself玩得开心 [词汇例句] The cat was washing itself.猫在清洗自己。 [词汇用法] · -self/-selves 构成的代词叫作反身代词。第一人称和第二人称的反身代词由形容性物主代词词尾加-self/-selves构成；第三人称的反身代词由宾格代词词尾加-self/-selves构成。 · 同一人称反身代词有单复数之分。 人称 主格人称代词 宾格人称代词 反身代词 单数 复数 单数 复数 单数 复数 第一人称 I 我 we 我们 me 我 us 我们 myself 我自己 ourselves 我们自己 第二人称 you 你 you 你们 you 你 you 你们 yourself 你自己 yourselves 你们自己 第三人称 he 他 she 她 it 它 they 他/她/它们 him 他 her 她 it 它 them 他/她/它们 himself 他自己 herself她自己 itself它自己 themselves 他/她/它们自己 · 反身代词可以做相同人称的宾语，表示动作的主语和宾语是同一个人。 The boy can dress himself. (注意：不用him) [随学随练] 单项填空。 (1) Be careful with knives (刀). Many people cut ________ in the kitchen. A．yourselves B．herself C．themselves D．itself (2) Don’t worry. The little pigeon can look after ________ well. A．it B．its C．itself D．it’s 3. printer /ˈprɪntə(r)/n. 打印机；印刷公司 [词汇拓展] print(v.)打印；印刷 [词汇搭配] 3D printer 3D打印机；a colour/laser printer 彩色/激光打印机 [词汇例句] The manuscript had already been sent off to the printers.原稿已经寄给印刷厂了。 [随学随练] 单项填空。 This new ________ works fast and can ________ 50 papers in one minute. A．printer; print B．print; printer C．printing; prints D．prints; printed 4. produce /prəˈdjuːs/v. 生产；繁育 n.农产品 [词汇拓展] product(n.)产品；production(n.)生产，制造；产量；producer(n.)生产者 productive (adj.)多产的；富有成效的；productivity (n.)生产力；生产率 [词汇搭配] produce sugar 生产糖 [词汇例句] The shop sells only fresh local produce.这家商店专售当地的新鲜农产品。 The region produces over 50% of the country's wheat.此地出产全国50%以上的小麦。 [随学随练] 用produce的适当形式填空。 (1) This factory cars , and they are popular among young people. (2) Brazil(巴西) is the world's biggest of coffee.  (3) The fruit rose a lot last year. (4) He hoped to get the best at a low price. 5. plastic/ˈplæstɪk/ n.塑料 adj.塑料的 [词汇搭配] plastic bag塑料袋；the plastic industry塑料工业 [词汇例句] The pipes should be made of plastic .这些管子应该是用塑料制作的。 [随学随练] It is very harmful to use ____________ bags, so we should take our own cloth bags to go shopping. A．plastic B．wooden C．ugly D．soft 6. suppose /səˈpəʊz/v. 认为；推断 [词汇拓展] supposed (adj.)误以为的；所谓的；supposedly (adv.)据说；据传 [词汇搭配] be supposed to do/be sth应当做（某事）或是（某物）；I suppose 我想，我看 [词汇用法] · I suppose后加that从句表达否定的意见或看法时，通常否定suppose而非that从句中的动词。 如，通常说 I don't suppose he ever saw it（我认为他从没见过），而不说 I suppose he didn't ever saw it。 · suppose或supposing 后接从句，可以表示“假设，假定”。 Suppose/Supposing someone gave you an apple. 假设有人给了你一个苹果。 [随学随练] 单项填空。 I ________ you have been to Hangzhou, haven’t you? A．allow B．discuss C．suppose D．influence 7. frozen /ˈfrəʊzn/adj. 冻硬的；冰封的 [词汇拓展] freeze (v.)(过去式：froze；过去分词frozen)(使)冻结，结冰;(使)冻住;极冷；(使)冻死； freezing /ˈfriːzɪŋ/ adj.极冷的，严寒的 [词汇搭配] the frozen ground冻硬的土地；frozen peas冷冻豌豆 [词汇例句] It was bitterly cold now and the ground was frozen hard.现在天气极冷，地面都冻硬了。 [随学随练] 用freeze的适当形式填空。 (1) Water at 0˚C. (2) Two men to death on the mountain yesterday. (3) The cinema was . (4) fish is a very healthy food. 8. tourism /ˈtʊərɪzəm/n. 旅游业 [词汇拓展] tour(n./v.) 旅行；游览；tourist /ˈtʊərɪst/ n.旅行者；观光客 [词汇搭配] the tourism industry旅游业；increase tourism促进旅游业发展 [词汇例句] The area is heavily dependent on tourism. 这个地区非常依赖旅游业。 [随学随练] As an important and successful project, the railway has increased _________ and economic development in the area. A．tourist B．tourism C．tourists D．tour 9. economic /ˌiːkəˈnɒmɪk/adj. 经济的；经济学的；有利可图的，赚钱的 [词汇拓展] economy(n.)经济；economics(n.)经济学；economically(adv.)经济地 economical(adj.)经济的、节俭的、节约的 [词汇搭配] economic development经济发展；economic growth经济增长 [词汇例句] Economic growth is expected to average 2% next year.明年经济增长预计平均可达2%。 [随学随练] 用economic的适当形式填空 (1) There are clear indications(迹象) that the is improving. (2) The country is experiencing slow but stable growth. (3) It is usually to buy washing powder in large quantities(数量). 10. gain /ɡeɪn/v. 获得；取得 n. 增加；好处，利益 [词汇搭配] gain ...from...从...中获得...；gain experience获得经验；gain confidence增加信心 gain ground变得更强大（或更有成效、更成功）；有进步；获得进展 no pain, no gain不劳则无获 [词汇例句] His books have gained in popularity in recent years. 近年来他的书越来越受欢迎。 [随学随练] (1) —Listening is difficult for me. I don’t want to practice hard. It’s too tiring. —Don’t give up. You know the saying “________”. A．Love me, love my dog B．Every dog has its day C．Many hands make light work D．No pain, no gain (2) By practising hard every week, Lisa can ________ more skills in playing volleyball this term. A．lose B．gain C．forget D．miss 3、 重难句型解析 1. 被动语态 (教材原句)A mini-camera is connected to the front of the glasses (教材原句)A radio message was sent across the Atlantic Ocean for the first time in 1 901. 两个句子中的is connected和was sent都是由“be+过去分词”构成的被动语态结构，表示主语是动作的承受者。be动词跟随时态和人称进行变化。is connected是一般现在时的被动语态；was sent是一般过去时的被动语态。 如：The room is cleaned every day. 这个房间每天被打扫。 He was hurt by a ball just now. 他刚刚被一个球伤到了。 [随学随练] 单项填空 (1) The old-fashioned puppets are well kept by the young performers, so they ________ by more and more teenagers. A．are loved B．love C．were loved D．will love (2) The old machine ________ by this local factory ten years ago. A．produces B．produced C．was produced D．is produced 2. 主语从句 (教材原句)It is believed that the oldest wheel was found in Eastern Europe. 此句中it是形式主语，真正的主语其后的that主语从句。It is believed that...意为“人们认为...”is believed也是一个被动语态的结构。 类似的句型有： It is reported that...据报道... It is said that... 据说... It is expected that... 人们期待...；有望... 如：It is said that a famous scientist will make a speech in our school. 据说一位著名科学家将在我校做一场 演讲。 [随学随练] 单项填空 (1) It is said ________ national ID cards in China will soon go digital(电子的) in the near future. A．which B．what C．when D．that (2) It is ________ that computers were invented in America. A．believe B．to believe C．believing D．believed 4、 其他知识解析 1. 过去分词作定语 (教材原句)Super See is a pair of sunglasses designed to protect people’s eyes. (教材原句)The lessons learnt and experience gained from building this railway will help improve ... 句中的designed,learnt,gained都是单个的过去分词形式，在句子跟在名词后面修饰前面的名词，作定语成分。过去分词所定语，与名词前构成被动关系。 如：The book written by Lu Xun is popular. 鲁迅写的那本书很受欢迎。 [随学随练] 单项填空 The building ________ last year is our new library. A．built B．building C．was built D．to build 2. it作形式宾语 (教材原句)The radio made it much easier for people to enjoy music from artists around the world. 句中it用作形式宾语，真正的宾语是后面的不定式结构。 一些动词如make, find, think, feel等接宾语，并且有宾语补足语时，常用it作形式宾语，而把真正的宾语变为不定式结构置于宾语补足语之后，形成“动词+it+宾语补足语+to do...”结构。 如：I find it hard to learn English well. 我发现学好英语很难。 [随学随练] 翻译句子 (1) 我发现尽可能多地了解不同国家的风俗习惯是很有帮助的。 (2) 这个强大的互联网连接让分享知识变得更容易。 3. it作形式主语 (教材原句)... it was impossible to build the railway over the frozen ground 此句中it是形式主语，真正的主语是后面的不定式。 如：It is important to keep healthy. 保持健康很重要。 [随学随练] 翻译句子 (1) 勇敢面对寒冷天气对他而言很难。 ____________________________________________________________________________________________ (2) 当你情绪低落时和你父母争吵是不明智的。 ____________________________________________________________________________________________ 4. 现在分词作状语 (教材原句)...and it is the highest railway in the world , reaching 5,072 metres above sea level at Tanggula Pass. 本句中reaching是现在分词结构，在句中充当状语成分。现在分词的动作是有主句主语发出的，二者之间构成主动关系。 如：The river rises quickly, flooding many fields. 河水上涨很快，淹没了很多田地。 Walking along the street, I saw an old friend. 在街上走的时候，我看见了一位老朋友。 [随学随练] 单项填空 The great artist died at the age of 92, ________ ________ thousands of paintings. A．leave behind B．leaves behind C．leaving behind D．leaved behind 5、 知识过关练习 1. 词汇填空  根据据提示填写正确形式的单词，每空一词。 (1) The ________ (轮子) is a simple but very helpful invention in human history. (2) The little boy thinks his father is a ________ (超级的) hero who can do anything. (3) Without human control, this modern robot can finish most tasks by i________ (它自己). (4) The 3D printer can p________ (生产) many kinds of things, such as toys and houses. (5) The price of goods and housing may rise because of the growth of ________ (旅游业). (6) The country has made great progress in ________ (经济的) development in recent years. (7) We can g________ much knowledge from old books. (获得；取得) (8) Tom ________ (发明) a new machine for making pizza last year. (9) Bill’s father will buy a new c________ (照相机) for his twelfth birthday. (10) Many people like to take ________ ________ for long trips. (高速列车) (11) We should reduce ________ (塑料的) waste to protect the environment. (12) The old man ________ (认为) that the young man was telling the truth. 2. 单句语法填空 用所给词的正确形式填空或者根据句意填写适当的单词使句意通顺。 (1) Edison was a great ________ (invent). The light bulb ________ (invent) by him. It is one of the most useful ________ (invent). (2) The new tool ________ (it) is very useful, but you must know how to use it correctly. (3) The ________ (produce) of cars in this factory has doubled this year. (4) More and more high-tech products ________ (produce) in China every year. (5) My brother uses the ________ (print) to make copies of his drawings for school. (6) Qingdao is in the ________ part of Shandong Province. (east) (7) The weather in winter was cold and everything seemed to be _______ (freeze). (8) Last summer, my family took a one‑week ________ around a beautiful village. We ________ the old town and took many nice photos. Friendly ________ from different countries shared interesting stories. The clean environment and nice food helped develop the local ________ quickly. (tour) (9) The opening of the new subway line has greatly promoted the development of the local ________. (economic) (10) A lot of waste ________ (throw) into the sea before, but now it’s stopped. (11) Stephen Hawking ________ (recognize) as one of the greatest scientists of the 20th century. (12) The invention makes it easier ________ (manage) waste in an environment-friendly way. 3. 单项填空 (1) —How can we ________ O₂? —Follow this: A．heat B．produce C．invent D．reflect (2) The EBO-SE robot can charge (充电) ________, so it can keep watching your pets all day long. A．it B．its C．itself D．themselves (3) There are two ________ volunteers, and ________ volunteers come from China. A．thousand; hundred of B．thousands; hundred of C．thousands; hundreds of D．thousand; hundreds of (4) — Could you help me deal with this important file? It needs printing right away. — Sorry, my ________ has just broken down. You have to wait. A．button B．printer C．wheel D．pipe (5) —The school concert was fantastic! Do you think the music teacher will organize another one next month? —I’m not sure, but I________ she will. It was so successful. A．suppose B．surprise C．support D．suggest (6) The river is ________ because of the low temperature, so people can skate on it. A．wet B．frozen C．deep D．thick (7) My father likes taking photos. He always takes his ________ with him when he travels. A．layer B．camera C．radio D．telephone (8) —Our city will hold a big flower festival next month. —Great! It can help develop the local ________ and make our city more famous. A．instruction B．tourism C．condition D．protection (9) Nanjing held the Youth Olympic Games in 2014 and will host more international events. This shows the city’s _______ development in recent years. A．economic B．natural C．educational D．environmental (10) —Have you heard of the 24 solar terms (节气) in China? —Yes. They ________ the wisdom and knowledge of ancient Chinese. A．reflect B．gain C．offer D．produce (11) —I heard that the latest AI drawing tool ________ to all users for free last month. —Yes. That’s why you can see so many amazing digital artworks online these days. A．was offered B．is offered C．will be offered D．has offered (12) The new app makes ________ easy for students ________ their spoken English online every day. A．it; practice B．that; practice C．it’s; to practice D．it; to practice 4. 短文填空 用所给词的适当形式填空或填写一个词使句意完整。 Albert Einstein once said, “I have no special talents. I am only passionately curious.” In fact, many great 1 (discover) and inventions would not have been possible without this quality. Curiosity often leads 2 new understanding. Benjamin Franklin, for example, was deeply curious about electricity. His experiments, widely known today, 3 (rapid) advanced early electrical science. Through his work, the lightning rod 4 (invent), protecting buildings from storms. Curiosity also drives people to create. During the Ming Dynasty, Wan Hu was so curious about flight that he attempted to build a “flying chair” made of kites and rockets. He was supposed 5 (reach) the sky, but the test ended tragically. Still, his courage 6 (it) inspired later generations to explore space more safely. Curiosity, however, is not just about bold attempts. It also carries a 7 (responsible) to question, learn, and build upon what is known. People have always wondered how the world works and 8 to understand it better. This drive is at the heart of scientific progress. As explorer Jacques Cousteau noted, a scientist is like someone “looking through a keyhole, 9 opening into nature.” It is curiosity, 10 (complete) focused and patiently applied, that continues to open doors to new worlds for all of us. 5. 翻译句子 (1) 高速列车使我们在城市之间快速出行成为可能。 (2) 每年大量的新产品在这家工厂被生产出来。 (3) 我们应该富有创造力，并勇敢地创造新事物。 (4) 毫无疑问，智能手机对我们的生活有很大的影响。 (5) 人们相信一个人读书越多就会越聪明。 学科网（北京）股份有限公司 $