Unit 5 Section A 第2课时 Section A(3a 3d)-【勤径学升】2026-2027学年九年级上册英语同步练测配套课件PPT（人教版·新教材）吉林专版

该初中英语课件聚焦九年级Unit 5 "Power of Ideas"中发明对生活的影响，通过教材要点回顾（词汇如invention、plastic，句型如“the most useful invention of all time”）搭建语言基础，再过渡到知识综合运用的阅读还原，形成从基础巩固到拓展提升的学习支架。 其亮点在于分层练透教材与多重拓展培优结合，通过词汇填空、句子翻译等夯实语言能力，阅读还原题（14岁女孩发明防开门事故工具）培养思维品质，体现“青少年创新思维与实践力”素养。此设计帮助学生巩固基础并提升综合运用能力，教师可通过分层练习精准教学，提高课堂效率。

九年级英语 RJ（上册3）J Unit 5 Power of Ideas Section A　What changes can inventions bring to our lives? 第2课时　Section A(3a­3d) super information plastic escribe nvent of Before by as on invention of all time spread around was sent across were developed as well also had a big effect on A B E C D 一、根据句意及汉语或首字母提示填空完成句子。 1．The _____ (超级的)computer can solve difficult problems in a very short time. 2．We can store all the ___________ (信息)in the computer and find it easily when needed. 3．This new type of _______ (塑料)is environment­friendly and can be recycled. 4．Please d_______ your idea in detail so that we can understand it better. 5．Thomas Edison was a great inventor who liked to i_____ new things that changed people's lives. 二、根据句意填写单词，完成句子。 6．This is the most important thing for our school __ all time. 7．______ the radio was invented, information travelled very slowly. 8．The world was made much smaller __ the radio. 9．Jim helped other three poor students __ well. 10．The teacher's encouraging words had an important influence __ the boy. 三、根据汉语意思完成句子，每空一词。 11．你认为有史以来最有用的发明是什么？ What do you think is the most useful _________ __ ___ ____? 12．新闻可以在几秒钟内传遍全世界。 News could be______ ______ the world in seconds. 13．1901年，一条无线电报首次横跨大西洋被发送出去。 In 1901, a radio message ___ ____ ______ the Atlantic Ocean successfully for the first time. 14．其他一些重要的发明也被研发出来了。 Some other important inventions ____ _________ __ ____. 15．无线电对音乐也产生了很大的影响。 The radio ____ ___ _ ___ ______ __ music. 四、阅读还原。 “During busy times when I was in the back of a car, it was really hard to see if it was safe to open the door，” Ju said. Ju found that some devices can help with this problem. But they are usually only in newer smart cars. People can't use them in their older cars. 16._ People can put it on the car's rearview mirror(后视镜). When a person or a car gets close or someone pulls the door handle, it will sound an alarm. Ju also asked people how much they would pay for this tool. Most wanted it to be between 100 and 300 yuan. 17._ She used as few parts as possible to make it cheaper. Many people want to know if this tool will be useful in daily life. 18._ If a stranger gets close to kids, it will sound an alarm right away. Some people may wonder why a 14­year­old girl could invent such a useful tool. 19._ She kept testing and improving it until it worked well. Now Ju hopes more people can know about her invention. 20._ What a great invention it is! 根据短文内容，将下面方框内的选项还原到文中空白处，使短文内容完整、通顺，每个选项只能用一次，其中有一个选项是多余的。 A．So she tried her best to make a new tool that can be used by any car. B．So she worked hard to lower the cost. C．The answer is that she spent a lot of time on it. D．If it becomes popular, it can help stop many door­opening accidents. E．In fact, this tool not only helps with car doors, but it can also help keep kids safe. F．However, not everybody can afford a new smart car. $