Unit 5 Power of Ideas.（知识讲解）-2026-2027学年九年级英语上册基础知识专项讲练（新教材人教版）

该初中英语单元复习讲义围绕“发明与创造”主题，通过表格系统构建知识体系，将必备单词按Section A/B分类标注重点，高频短语分模块梳理，常考用法、句型及被动语态语法点以列表形式呈现，清晰展现知识脉络与重难点内在联系。 讲义亮点在于“真题链接+语法应用”的练习设计，如结合2024黑龙江中考题讲解“invention”的名词复数用法，通过“be supposed to do”等常考结构培养语言能力，融入造纸术等中外发明案例渗透文化意识。每个知识点配例句与拓展，帮助不同层次学生掌握，支持教师精准教学与学生自主复习。

Unit 5 Power of Ideas. (知识讲解） 学习目标 单元主题 人与社会→科普知识与现代技术→发明与创造 必备单词 Section A invention n.发明；创造 camera n.照相机；（电影）摄影机 laptop n.笔记本电脑 super ad.超级的；顶好的 sunglasses n.墨镜 mini- prefix.微型的；短的 itself pron.它自己 button n.按钮；扣子 produce v.生产；繁育 file n.(计算机的)文件；文件夹 plastic n.&adj. 塑料（的） printer n.打印机；印刷公司 invent v.发明；编造 suppose v.认为；推断 wheel n.车轮；轮子 frozen adj.冻硬的；冰封的 complete v.完成；结束adj.完全的；彻底的 layer n.层；表层 melt v.(使)融化；逐渐消失 pipe n.管道；管子；烟斗 tunnel n.隧道；地下通道 tourism n.旅游业 gain v.获得；取得 Section B reality n.现实；事实 papermaking n,造纸工艺；造纸业 responsible adj.作为原因的；有责任的 rapid ad.迅速的；瞬间的 shape v.塑造n.形状 bronze n.&ad.青铜（的）；青铜色（的） ware n.制品；陶器 stone n.石头；岩石 jute n.黄麻纤维 fibre (=fiber）n.纤维；纤维素 expensive adj.昂贵的；价格高的 officer n.官员；高级职员 workshop n.作坊；讲习班 none pron.没有一个；毫无 ideal adj.最合适的；理想的 n.理想；完美的人（或事物） certain adj,某些；确定的pron.(不提及人或事物的名称时用)某些 suitable adj.山.合适的；适宜的 liquid n.液体adj.液体的 cheap adj.便宜的adv. 低廉地 creation n.创造；作品 Arabic adj.山.阿拉伯语的 n.阿拉伯语 birth n.起源；诞生 rapidly adv.迅速地；快速地 afford v. 以买得起；能做 company n.公司；剧团 sticky adj.黏（性）的；闷热的 production n.生产；制作 gradually adv.逐渐地；逐步地 widely adv.广泛地；普遍地 glider n.滑翔机 高频短语 l.a pair of一双；一对；一副 2.be connected to. 被连接到 3.hundreds(of..) 许多，大量 4..kinds of …...种 5.build up 逐步建立；增进 6.of all time有史以来；一直，始终 7.in seconds 在很短的时间内 8.for the first time首次 9.because of因为；由于 l0.as well也 11.have an effect on 对.…..有影响 l2.around the world/all over the world 全世界 13.tum(...)into... 把(…...)变成…... 14.depend on依靠；取决于 15.比较级+than any other+名词单数 比其他任何一个…...都更…... 16.such as 例如 17.either...or… 不是…...就是…...，要么......要么…... l8.be interested in对…感兴趣 19.cut up切碎 20.pour over..倒到…上 21.to sb's surprise令某人惊讶的是，出乎某人的意料 22.responsible for sth引起某事 23.later on后来；其后 24.not only...but also... 不仅…...而且…... 25.speed up (使)加速 26.lead to 导致；造成；通向 27.result in 造成；导致 28.not.at all 一点儿也不 29.the number of. ...…的数目 30.in the future 在未来 常考用法 l.It is believed that... 人们认为…... 2.be looking to do sth 试图找到做某事的方法 3.be supposed to do/be sth 应当做（某事）或是(某物) 4.be used to do sth=be used for doing sth 被用来做某事 5.have difficulty in doing sth 做某事有困难 6.try to do sth 试图/尽力做某事 try doing sth 试着做某事 7.(be)made from 由…...制成（看不出原材料）(be)made of由…...制成（看得出原材料） (be)made in在…...制造（强调产地）(be)made into被制成…...（原料被加工为成品) (be)made by由…...制造（强调动作执行者） 8.allow sb to do sth 允许某人做某事 9.afford to do sth 承担得起做某事，能够做某事 10.make it+形容词+(for sb)to do sth 使（某人)做某事…... 11.too+形容词/副词+to do sth 太…...而不能做某事 常考句型 1.-What invention do you like the most? 你最喜欢什么发明？ 　-I like...the most. 我最喜欢...... . 2. The radio made it much easier for people to enjoy music from artists around the world. 　无线电让人们更容易欣赏到世界各地艺术家的音乐。 3. It is believed that the world's oldest wheel was found in Eastern Europe. 　人们认为世界上最古老的轮子是在东欧被发现的。 4. In summer, the top layer of the frozen ground would melt and become too soft to build on... . 　夏季，冻土的表层会融化，变得太软而无法在上面建造...... 5. However, it seems that its inventors, Orville Wright and Wilbur Wright, were not looking to change the world at all. 然而，它的发明者奥维尔·赖特和威尔伯·赖特似乎根本无意改变世界。 重点语法 1、 一般现在时的被动语态 2、 一般过去时的被动语态 主题写作 如何介绍一件发明物 Section A What changes can inventions bring to our lives? 1、Super See is a pair of sunglasses designed to protect people's eyes.超级智能眼镜是副旨在保护人们眼睛的墨镜。（教材第42页，lc) 【详解】a pair of一双；一对；一副 常用于描述成对出现的物品，如shoes(鞋)人trousers(裤子)socks(袜子人gloves(手套)chopsticks(筷子)等。 I need to buy a pair of gloves because my hands get cold in winter..我需要买一副手套，因为在冬天我的手很冷。 Chinese people usually use a pair of chopsticks to have meals.中国人通常用一双筷子吃饭。 【注意】pair(s)of.作主语时，谓语动词的数应与pair(s)保持一致。 A pair of shoes is on the floor. 一双鞋在地板上。 These pairs of trousers are blue. 这几条裤子是蓝色的。 2、A button on Smart Cook should be pressed before cooking,烹饪前应按下智能厨师上的一个按钮。（教材第42页，1c) 【详解】cooking〔名词)烹饪；做饭 I am interested in cooking and I often watch cooking videos online. 我对烹饪感兴趣，经常在网上看烹饪视频。 【拓展】cook ①〔动词)烹任；做饭 My father cooks dinner for us every evening. 我爸爸每天晚上为我们做晚饭。 ②〔名词)厨师 His dream is to become a great cook in a fve-star hotel. 他的梦想是成为五星级酒店的一名优秀厨师。 3、produce生产（教材第43页，2b) 【详解】produce〔动词〕生产；繁育 This factory produces over 1,000 cars every month. 这家工厂每月生产超过1000辆汽车。 Our cat produced kittens last week. 我们的猫上周生小猫咪了。 真｜题｜链｜接 (2025・安徽考) The engineer uses his knowledge to help factories p_____________(生产)better cars.. 解析：produce作为动词，意为“生产”；help do sth“帮助…...做某事”，是固定搭配，空处应用动词原形。句意：这位工程师利用自己的知识帮助工厂生产出更好的汽车。答案：produce 4、The object is produced by building up plastic.这个物体是通过堆积塑料生产出来的。（教材第43页，2b) 【详解】plastic ①〔不可数名词)塑料 This toy is made of plastic,so it's very1ight. 这个玩具是塑料做的，所以很轻。 ②〔形容词〕塑料的 This bottle is plastic,not glass. 这个瓶子是塑料的，不是玻璃的。 We should use fewer plastic bags to protect the environment. 我们应该少用塑料袋来保护环境。 5、What invention do you like the most??你最喜欢什么发明？（教材第43页，2d) 【详解】What..do you like the most? 你最喜欢什么…...？ 与“What...do you like best?”同义。“What do you like the most?”的答语常为“I like...the most”而“What do you like best'?”的答语常为"I like...best.”。 -What subject do you like the most?=What subject do you like best? 你最喜欢什么科目？ -I like English the most. =I like English best.我最喜欢英语。 6 、What do you think is the most useful invention of all time,Peter?彼得，你认为有史以来最有用的发明是什么？（教材第44页，3a) 【详解】do you think作插入语 do you think意为“你认为......”，常用在特殊疑问句中作插入语，句子结构为：“疑问词+do you think+陈述语序？”。 What do you think is the most important invention in Chinese history?你认为中国历史上最重要的发明是什么？ Where do you think the boy is from? 你认为这个男孩来自哪里？ 7、It has to be the radio.那一定是无线电.（教材第44页，3a) 【详解】have to be一定是…... 用于对现在情况的肯定推测，语气强烈，相当于must be,但更口语化。have to be的第三人称单数形式为has to be。 The light is on.My parents have to be at home now. 灯亮着，我父母现在一定在家。 This has to be the right way because I see the sign. 这一定是正确的路，因为我看到了标志。 8、Before the radio was invented,information travelled very slowly.在无线电发明之前，信息传播非常慢。（教村第44页，3a) 【详解】invent〔动词)发明；编造 Who invented the telephone? It was Alexander Bell. 谁发明了电话？是亚历山大・贝尔。 What excuse did he invent this time? 他这次编了什么借口？ 【拓展】①invention [名词)发明；创造 The four great inventions in ancient China have changed the world forever.中国古代的四大发明永远地改变了世界。 ②inventor〔名词)发明家 Luban was a great inventor in ancient China.He invented a lot of useful things.鲁班是中国古代伟大的发明家，他发明了许多有用的东西。 真｜题｜链｜接 (2024·黑龙江龙东中考) Complete the sentence with the proper form of the word given.Chat GPT is one of the most amazing ______________(invent).I think it will change the world. 解析：我们可用“固定结构法”解答此题。“one of the+形容词最高级+可数名词复数”意为“最…...的…...之一”，为固定结构，此处应用名词的复数形式；Chat GPT为一项发明，故填inventions. 答案：inventions 9、It also had a big effect on music.它对音乐也产生了巨大影响。（救材第44页，3a) 【详解】have an effect on对…...有影响与have an influence on同义。 Watching too much TV has a bad effect on your eyes. 看太多电视对你的眼晴有不好的影响。 The weather has an effect/influence on people's feelings.天气会影响人们的情绪。 10、People all over the world are connected to each other through the internet.全世界的人们通过互联网互相联系。（教材第45页，46) 【详解】all over the world全世界 此处用于名词后作后置定语，也常用于句首或句末作地点状语。 同义短语：around the world Chinese food,like Beijing roast duck,is enjoyed by people all over the world.像北京烤鸭这样的中国美食受到全世界人们的喜爱 All over the world/Around the world,people love pandas.全世界的人们都喜欢熊猫 11、It wasn't supposed to make such a loud noise when the button was pressed to start the machine..当按钮被按下启动机器时，它不应该发出那么大的噪声。（教材第45页，4b) 【详解】be supposed to do/be sth应该做（某事）或是（某物） 表示按照规则、习惯或预期应该做某事或是某物，比should更强调“按规定/约定”。否定形式为be not supposed to do/be sth。 We are supposed to respect our elders,as it isa traditional virtue in China. 我们应该尊敬长辈，这是中国的传统美德。 Students are not supposed to use phones in class.学生不应该在课堂上使用手机。 12、It is believed that the world's oldest wheel was found in Eastern Europe.人们认为世界上最古老的轮子是在东欧被发现的。（教材第45页，4b) 【详解】It is believed that... 人们认为…... it作形式主语，真正的主语是that引导的从句，从句需用陈述语序。 It is believed that AI technology will change our learning ways. 人们认为人工智能技术将改变我们的学习方式。 【拓展】①It is said that... 据说…... It is said that he will come to our school tomorrow. 据说他明天会来我们学校。 ②It is reported that... 据报道…... It is reported that this book is very popular. 据报道，这本书很受欢迎。 ③t is hoped that... 人们希望…... It is hoped that everyone can live a happy life. 人们希望每个人都能过上幸福的生活。 13、The Qinghai-Xizang Railway was completed in2006.青藏铁路于2006年竣工。（教材第45页，4c) 【详解】complete ①（动词〕完成；结束 Please complete the sentences with the correct words. 请用正确的单词完成句子。 It took me two hours to complete my homework. 我花了两个小时完成作业。 ②（形容词〕完全的；彻底的；完整的 We are in complete agreement. 我们意见完全一致。 This is a complete story,not just a short part. 这是一个完整的故事，不只是简短的一部分。 14、In summer.the top layer of the frozen ground would melt and become too soft to build on,so pipes were used to keep the ground hard. 夏季，冻土的表层会融化，变得太软而无法在上面建造，因此使用管道来保持地面坚硬。（教材第45页，4c) 【详解】(1)frozen〔形容词〕冻硬的；冰封的 In winter,parts of the Yellow River can become frozen. 冬天，黄河的部分河段会结冰。 Frozen food is not always healthy. 冷冻食品并不总是健康的。 (2)melt〔动词)（使）融化；逐渐消失 The snow melts quickly when the sun comes out. 太阳出来时雪融化得很快。 His anger slowly melted. 他的怒气慢慢平息了。 15、The lessons learnt and experience gained from building this railway will help(to)improve transport in other similar places in the world. 从修建这条铁路中汲取的经验教训将有助于改善世界上其他类似地区的交通。（教材第45页，4c) 【详解】gain〔动词)获得；取得 By working hard,she gained her teacher's trust. 通过努力工作，她赢得了老师的信任。 No pain,no gain. [谚]不劳则无获。 Section B How do we turn ideas into reality ? 1、How do we turn ideas into reality?我们如何将想法变为现实？（教材第46页，标题） 【详解】(1)turn（...）into... (把…...)变成…... Water can turn into ice when the temperature is below 0℃. 水在零摄氏度以下的气温时可以变成冰。 Hard work can turn dreams into reality. 努力可以把梦想变成现实。 (2)reality〔名词)现实；事实 Hope is a good thing,but we must also face reality. 希望是好事，但我们也必须面对现实。 His dream of becoming a teacher became a reality. 他当老师的梦想变成了现实。 2、All of these things depend on one invention一paper making. 所有这些东西都依赖于一项发明一造纸术。（教材第46页，1b) 【详解】depend on依靠；取决于；on是介词，后面跟名词或代词。 You can always depend on me when you need help. 你需要帮助时永远可以依靠我。 Whether we go camping depends on the weather. 我们是否去露营取决于天气。 3、 It,more than any other invention.was responsible for the rapid spread of information that shaped our modern world.与其他任何一项发明相比，正是造纸术促进了信息的快速传播，从而塑造了我们的现代世界。（教材第46页，1b) 【详解】(1)比较级+than any other+名词单数 比其他任何一个…...都更…...；用作插人语，表示最高级含义。 This book is more interesting than any other book I've read. 这本书比我读过的其他任何一本书都有趣。 The Yangtze River is longer than any other river in China. 长江比中国其他任何一条河流都长。 =The Yangtze River is the longest river in China.长江是中国最长的河流。 【拓展】more than ①不只是…...； 用来强调某一方面比另一方面更重要。 He is more than a teacher;he is a friend to his students. 他不只是个老师，更是学生的朋友。 ②超过…... There are more than five hundred students in the school. 学校里有五百多名学生。 (2)responsible〔形容词)作为原因的；有责任的 (be)responsible for sth引起某事；对…负责 The heavy rain was responsible for the flood. 大雨引发洪水。 As students,we are responsible for our studies. 作为学生，我们要对自己的学习负责。 (3)rapid〔形容词〕迅速的；瞬间的 He made rapid progress in English after months of hard work. 经过几个月的努力，他的英语进步很快。 China's cities are growing at a rapid speed. 中国的城市正以很快的速度扩张。 【拓展】rapidly〔副词)快速地 The population of the world is growing rapidly. 世界人口正快速增长。 (4)shape ①〔动词〕塑造 Exercise can help shape your body and keep you healthy. 锻炼可以帮助塑造体型，保持健康。 ②〔名词〕形状 in the shape of... 以…...的形状 The cake is in the shape of a star. 这个蛋糕是星星形状的。 真｜题｜链｜接 (2025・福中考)In the art classroom,Li Li cut out a thin wood board in the_________of Tian'anmen. A.place B.size C.shape 解析：我们可用“词义辨析法”解答此题。place“地点”；size“尺寸”；shape“形状”。根据LiLi cut out a thin wood board可知，此处指刻出了天安门的形状，故选shape。 答案：C 4、In ancient China,many different materials were used to write on,such as animal bones,bronze wares,stones, wood，bamboo,and even silk.在中国古代，人们使用许多不同的材料来书写，例如兽骨、青铜器、石头、木材、竹子，甚至丝绸。（教材第46页，1b) 【详解】bronze ①〔形容词)青铜的；青铜色的 The Sanxingdui Ruins are famous for their bronze masks with big eyes and wide ears,and strange bronze figures 三星堆遗址以带有大眼睛、宽耳朵的青铜面具和造型奇特的青铜人像而闻名。 bronze skin古铜色的皮肤 ②〔名词〕青铜；青铜色 This statue is made of bronze and is very old.这座雕像是青铜做的，非常古老。 5、In the Western Han Dynasty,there was also a very early form of paper made from jute-a fibre that comes from plants.在西汉时期，还有一种由黄麻（一种植物纤维）制成的早期的纸。（教材第46页，1b) 【详解】(be)made from 由…...制成从制成品上看不出原材料，或在制作过程中发生了化学变化。 Paper is made from wood.纸是用木材做的。 【拓展】 ①(be)made of 由…...制成从制成品上看得出原材料，或在制作过程中发生了物理变化。 This desk is made of wood. 这张课桌是木头做的。 ②(be)made in 在…...制造；in后接产地。 This phone is made in China. 这部手机是中国制造的。 ③(be)made into 被制成…... ； into后接制成品。 Milk can be made into cheese. 牛奶可以被制成奶酪 ④(be)made by 由…...制造 ； by后接动作执行者。 The model plane was made by Tom. 这架模型飞机是汤姆做的。 6、However,all of these materials were either difficult to use and store or very expensive.然而，所有这些材料要么难以使用和储存，要么非常昂贵。（教材第46页，1b) 【详解】expensive〔形容词〕昂贵的；价格高的可在句中作表语或定语。 This watch is too expensive;I can't afford it. 这块表太贵了，我买不起。 Time is the most expensive thing you can spend. 时间是你所能花费的最昂贵的东西。 7、Different methods for creating something to write on were tried,but none were ideal.(当时)尝试了不同的方法来制造书写材料，但没有一种是理想的。（教材第46页，1b) (1)none〔代词)没有一个；毫无；既可指人也可指物，表示“（三个或三个以上)没有一个”。 none of.…… (三者或三者以上)都不 None of the students knew the answer to the difficult question. 没有一个学生知道这道难题的答案。 【拓展】no one〔代词)没有人；没有任何人只指人，相当于nobody, 后面不接of,作主语时谓语动词用单数。 No one was there when I arrived at the station. 我到达车站时没人在那里。 【注意】none强调数量，可回答how many开头的特殊疑问句；no one强调人，可回答who开头的特殊疑问句。 (2)ideal ①〔形容词)最合适的；理想的 He is the ideal person for the job because he has all the skills.他是这份工作的理想人选，因为他具备所有技能。 ②〔名词)理想；完美的人（或事物） My ideal is to become a doctor. 我的理想是成为一名医生。 It's my ideal of what a family home should be.这是我心目中完美的家庭住宅。 8、From past experiences,Cai Lun got the idea that bark,certain plants,and old clothes could be used to make a special material suitable to write on.从过去的经验中，蔡伦想到，树皮、某些植物和旧衣物或许可以用来制造一种适合书写的特殊材料。（教材第46页，1b） 【详解】 (1)certain ①〔形容词)某些；确定的 Certain students were late for class. 某些学生上课迟到了。 Are you certain about the answer? 你对这个答案确定吗？ ②（代词〕（不提及人或事物的名称时用）某些 Certain of the players were injured. 有些运动员受伤了。 (2)suitable〔形容词〕合适的；适宜的be suitable for适合… We need to find a suitable place for the party我们需要找一个适合聚会的地方。 This book is suitable for the children aged 8-12这本书适合8-12岁的孩子阅读。 9、 Next,the liquid was poured over a bamboo screen,leaving just the fibre.着，将这种浆液倒在竹制筛网上，只留下纤维。（教材第46页，1b) 【详解】liquid ①[名词〕液体 Water is a liquid,but ice is a solid. 水是液体，但冰是固体。 ②〔形容词〕液体的 In traditional Chinese medicine,herbal soups are a common form of liquid medicine. 在中医里，汤药是一种常见的液体药物形式。 10、To everyone's surprise,this paper was soft light,easy to make and use,and most importantly, cheap.出乎所有人意料的是，这种纸柔软、轻便、易于制作和使用，而且最重要的是，价格便宜。（教材第46页，1b) (1) to sb's surprise出乎某人的意料，令某人惊讶的是；sb's表示形容词性物主代词或名词所有格。 To our surprise,the little boy could speak three languages. 令我们惊讶的是，这个小男孩能说三种语言。 To everyone's surprise,she arrived early for the meeting. 令所有人惊讶的是，她很早就到了会议现场。 真｜题｜链｜接 (2025·黑龙江缓化中考)To our_______the film Ne Zha II has achieved such a huge success. A.surprise B.surprising C.surprised 解新：我们可用“陶定领语决”解参纯则。的师。pn概意为“出乎美人的意料”，为离定想语，教逸surprise 答案：A (2)cheap ①（形容词）便宜的 其反义词为expensive(昂贵的)。 The food at this restaurant is cheap.这家餐厅的食物便宜 Cheap things are not good,and good things are not cheap.便宜没好货，好货不使宜。 ②（副词）低廉地；便官地 You can live very cheap in rural areas. 在农村地区生活可以很便宜。 【注意】物品有贵贱，价格论高低。 说明物品时，应用expensive表示“贵”，用cheap表示“便宜”；说明价格(price)时，应用high表示“价格高”，用low表示“价格低”。 11、Later on,the papermaking technique did not only speed up the development of Chinese culture,but also changed civilizations around the world.后来，适纸术不仅加速了中国文化的发展，还改变了世界名地的文明进程。（教材第46页，1b) 【详解】(1)later on后来；其后 He didn't know the answer at first,but later on he understood. 他一开始不如道答案，但后米他明白了。 I'm busy now.Let's discuss this topic later on. 我现在很忙，我们以后再讨论这个话题。 (2)speed up (使)加速；为“动词+副词”结构，人称代词作其宾语时，只能放在speed与up之间。speed的过 去式为即sped, You should speed up a bit if you want to catch the bus. 如果你想赶上公共汽车，你应该再快一点儿。 The manager asked us to speed up the work,but we couldn't speed it up. 经理要求我们加快工作，但我们没法加快它。 12、When the use of paper and printing came together in later centuries,it led to a rapid increase in the number of books.当纸张的使用与印刷术在后来的几个世纪里结合到一起时，它导致了书籍数量的迅速增加。（教材第47页，1b) 【详解】lead to导致；造成；通向to是介词，后面跟名词或动词-ing形式。 Good study habits lead to better grades. 好的学习习惯会带来更好的成绩。 All roads lead to Rome. [谚] 条条大路通罗马。 13、This resulted in a new birth of knowledge,creating the world we have today.这带来了知识的新生，创造了我们今天拥有的世界。(教材第47页，1b) 【详解】(1)result in造成；导致 lead to表示“导致；造成”时与其同义，后接事物或状态，不能接人。主语是原因，宾语是结果。 Hard work results in success. 努力带来成功。 The accident resulted in the death of two cats. 这次事故导致两只猫死亡。 【拓展】result from 由…...引起主语是结果，宾语是原因。 His illness resulted from eating bad food. 他的病是由吃了变质的食物引起的。 (2)birth〔名词)起源；诞生 The birth of a baby is a happy event for the family. 婴儿的出生对家庭来说是件快乐的事。 The Communist Party of China has played a decisive role in the birth of New China.中国共产党对新中国的诞生起到了决定性的作用。 14、Fibre made from oil provides a (n)cheap/expensive solution to the problem that many people cannot afford to buy enough clothes.从石油中提取纤维为许多人买不起足够衣服的问题提供了一个便宜的/昂贵的解决方案。（教材第48页，2b) 【详解】afford〔动词)买得起；能做； 常与can,could,be able to连用；afford to do sth能做某事，承担得起做某事 I can't afford a new house because I don't have enough money. 我买不起新房，因为我没有足够的钱。 We can afford to wait for a few more days. 我们可以再等几天。 真｜题｜链｜接 (2024·四川达州中考)根据句意用首字母提示写出所缺单词的正确形式。 The car is too expensive.I can't a_____________it. 解析：我们可用“逻辑推理法”解答此题。由上文句意“这辆车太贵了”可知，此处表示“我买不起”；结合首字母a可知，应用afford表示“买得起”，can't后用动词原形。答案：afford 15、Did you know that an accident led to the invention of sticky notes?你知道-次意外导致了便利贴的发明吗？（教材第48页，2c) 【详解】sticky〔形容词〕黏（性）的；闷热的 Sticky rice is used to make zongzi during the Dragon Boat Festival. 糯米用来在端午节包粽子。 In summer,the air can feel sticky. 在夏天，空气可能感觉闷热。 【拓展】stick〔动词)(stuck,stuck) 粘贴；卡住；插入 He stuck a stamp on the envelop. 他把一张邮票贴到信封上。 16、They gradually became popular and now are widely used all over the world.它们逐渐流行起来，现在在世界各地被广泛使用。(教材第48页，2c) 【详解】widely〔副词)广泛地；普遍地 English is widely used in business and travel around the world. 英语在全世界的商业和旅行中被广泛使用。 Confucius's ideas are still widely studied in many parts of the world. 孔子的思想在世界上许多地方仍被广泛研究。 / 学科网（北京）股份有限公司 $