Unit 5 Reading Plus 知识点精讲2026-2027学年人教版九年级英语上册

该初中英语Unit 5 Reading Plus知识点精讲系统梳理了核心词汇、语法及语篇知识。从invent系列派生词、take up等高频短语拓展，到被动语态、现在完成时被动等语法结构解析，再结合路易·布莱叶和菲罗·法恩斯沃斯的发明故事，构建词-句-篇的学习支架。 知识链路按“词汇拓展-语法应用-语篇分析”逻辑递进，每个知识点配套词性转换、填空、翻译等多样化练习，强化语言能力。通过发明家故事引导学生分析问题解决过程，培养思维品质，练习设计由易到难，助力掌握科学学习方法，提升学习能力。

Unit 5 Reading Plus 知识点精讲 句子 1 You may think that all inventors are adults with rich experience and university degrees, but you would be wrong. inventor /ɪnˈventə(r)/n. 发明家；invent v. 发明；invention n. 发明物； rich experience 丰富的经验；university degree 大学文凭 翻译：你或许会认为所有发明家都是拥有丰富经验、持有大学文凭的成年人，但你错了。 拓展例句 Many young inventors don’t have high university degrees. 许多少年发明家并没有很高的学历。 配套练习 ①词性转换：invent（发明者）→inventor；（发明物）→invention ②填空：He thinks that young people ________ (can) invent great things. 答案：can 句子 2 In fact, many famous inventions have been created by teenagers, just like you. have been created 现在完成时被动语态，意为 “已经被创造”；by 引出动作执行者, just like 就像 现在完成被动结构：have/has been + 过去分词；by sb. 由某人（做）。 翻译：事实上，许多著名发明都是青少年创造出来的，就像你一样。 配套练习 改错：Lots of new inventions create by kids every year. create→are created 句子 3 At the age of three, Louis Braille became blind as a result of an accident. at the age of + 数字 在…… 岁时；blind adj. 失明的；as a result of 由于，因为（后接名词 / 名词短语） 翻译：路易・布莱叶三岁时，因为一场意外失明了。 配套练习 填空：He hurt his leg ________ a fall. 答案：as a result of 句子 4 At a school for the blind, he was taught to read using books with raised letters. the blind 盲人（the + 形容词表一类人）；raised letters 凸印字母；using books 现在分词作方式状语；be taught to do 被教会做某事 被动语态 was taught；with raised letters 后置修饰 books。 翻译：在一所盲人学校里，老师教他借助印有凸字母的书籍阅读。 配套练习 填空：The boy was taught ________ (draw) by his mother. 答案：to draw 句子 5 Blind people would run their fingers over the letters and guess their shapes. run one’s fingers over 用手指抚摸……；would 此处表过去习惯性动作，“常常” 翻译：盲人会用手指抚摸字母，猜出它们的形状。 配套练习 翻译：她用手指轻轻抚过书页。She ran her fingers over the pages. 句子 6 However, sometimes it was confusing because letters like “Q” and “O” were very similar, and they also took up too much space on a page. confusing adj. 令人难以分辨的；take up 占据（空间、时间）；too much space 太多空间；on a page 在书页上 翻译：但这种方法有时很难分辨，因为像 Q 和 O 这类字母外形十分相近，而且它们在书页上还会占用大量篇幅。 配套练习 填空：The big desk ________ too much space in my room. 答案：takes up 句子 7 To solve these problems, a system was invented where letters were replaced with a code of raised dots. solve problems 解决问题；不定式 To solve 作目的状语；replace A with B 用 B 替代 A；code n. 编码；raised dots 凸点 where 引导定语从句修饰先行词 system；整句使用一般过去时被动语态 was invented。 翻译：为了解决这些难题，人们发明了一套系统，用凸点编码来替代传统字母。 配套练习 填空：We can replace plastic bags ________ paper bags. 答案：with 句子 8 However, this new method was still too slow and difficult. method n. 方法 翻译：但这套新方案使用起来依旧太慢、难度很高。 句子 9 At the age of 15, Braille made important improvements to the raised dot system. make improvements to sth. 对某物做出改进；improvement n. 改进，改良（动词 improve） 固定搭配 make improvements to，介词只用 to。 翻译：15 岁时，布莱叶对这套凸点系统做出了重大改良。 配套练习 词性转换：improve（名词）→improvement 句子 10 He made the code simpler and reduced the number of raised dots. make + 宾语 + 形容词比较级 使某物变得更……；reduce v. 减少；the number of …… 的数量 翻译：他简化了编码，减少了凸点的数量。 配套练习 填空：We should reduce ________ (we) waste paper. 答案：our 句子 11 Braille's system was incredibly successful and is still used today around the world. incredibly adv. 极其，非常前半句一般过去时被动，后半句一般现在时被动 is still used，形成时态对比。 翻译：布莱叶创造的盲文体系大获成功，至今仍在全球范围内使用。 配套练习 词性转换：success（副词）→successfully；（形容词）→successful 句子 12 In 1921, Philo Farnsworth was 14 years old when he read about the problem of creating an electric television in a science magazine and became interested in it. read about 读到关于……；electric television 电子电视机；science magazine 科学杂志 翻译：1921 年，菲罗・法恩斯沃斯 14 岁，他在一本科普杂志上读到研发电子电视相关难题，从此对这个领域产生了兴趣。 配套练习 填空：She becomes interested ________ inventing small machines. 答案：in 句子 13 One day, while he was working on a farm, he noticed the straight rows of crops, and it gave him an idea. while 引导过去进行时从句，“正当…… 时”；straight rows 整齐的一排排； crop n. 农作物；give sb. an idea 给了某人灵感 翻译：有一天，他正在农场干活，注意到田里一排排整齐的庄稼，这给了他灵感。 配套练习 填空：While I ________ (walk) outside, I saw a strange machine. 答案：was walking 句子 14 Perhaps an image could be broken down into lines, changed into electronic signals, and then sent through the airwaves. image n. 图像；break down 拆分，分解；electronic signals 电子信号；airwaves n. 无线电波 情态动词被动语态 could be + 过去分词，三个并列被动结构连用：be broken down, (be) changed, (be) sent。 翻译：或许图像可以被拆分成无数线条，转换成电子信号，再通过无线电波传输出去。 配套练习 填空：The big task can be broken down ________ small steps. 答案：into 句子 15 For years, Farnsworth worked to develop his idea, but he faced many challenges along the way. develop v. 完善，研发；face challenges 面对难题、挑战；along the way 在这个过程中 翻译：多年来，法恩斯沃斯一直努力完善自己的构想，但一路上他遭遇了重重挑战。 句子 16 Many people did not believe his idea would work, and he found it difficult to get money to pay for his research. work v. 奏效，起作用；find it + 形容词 + to do sth. it 作形式宾语；pay for 支付…… 费用 翻译：很多人都不相信他的构想能够实现，而且他很难筹到资金支撑自己的研究。 配套练习 翻译：我发现学好发明很难。I find it hard to learn invention skills. 句子 17 However, he never gave up. 翻译：但他从未放弃。 句子 18 When he was 21, he eventually succeeded in sending a simple image using his invention. eventually adv. 最终；succeed in doing sth. 成功做成某事；using his invention 现在分词作方式状语 翻译：21 岁那年，他利用自己的发明，成功传输了一幅简易图像。 配套练习 填空：He succeeded in ________ (create) the first TV model. 答案：creating 句子 19 This breakthrough was an important step in creating the modern televisions that we use for entertainment today. breakthrough n. 突破；an important step 重要一步；entertainment n. 娱乐；that 引导定语从句修饰 televisions 翻译：这次技术突破，为如今我们用来娱乐的现代电视的诞生迈出了关键一步。 配套练习 词性转换：entertain（名词娱乐）→entertainment 句子 20 These stories show that with a passion for solving problems, anyone can make a difference in the world, no matter how old they are. passion n. 热爱，热忱；make a difference 产生影响，有所作为；no matter how 无论多么……，引导让步状语从句 that 引导宾语从句；with a passion 介词短语作伴随状语。 翻译：这些故事告诉我们：只要怀揣解决问题的热忱，无论年纪大小，任何人都能改变世界、有所作为。 配套练习 填空：You can make a difference ________ you keep trying. 答案：if 句子 21 So, if you have an idea that you believe in, do not be afraid to go for it. believe in 坚信，信奉；be afraid to do 害怕做某事；go for it 放手去做，努力争取 翻译：所以，如果你心中有一个坚信不疑的想法，别害怕，大胆放手去实现它。 句子 22 Who knows? You may just be the next Louis Braille or Philo Farnsworth. 翻译：谁能说得准呢？你或许会成为下一个路易・布莱叶或是菲罗・法恩斯沃斯。 学科网（北京）股份有限公司 $