Unit 5 Power of ideas 全单元大课文高频考点挖空练习题2026-2027学年人教版九年级英语上册

该初中英语导学案围绕Unit5“Power of ideas”展开，聚焦发明相关词汇、被动语态及语篇理解等核心知识点。通过对话、说明文挖空练习导入，连接已学词汇与语法点，搭建从基础理解到综合应用的学习支架。 资料亮点在于高频考点挖空与真实语境结合，涵盖收音机、造纸术等发明案例，强化语言能力（词汇运用、语法掌握），通过中外发明故事培养文化意识（家国情怀与文明传承），分析发明过程提升思维品质（问题解决、逻辑推断），助力学生高效掌握考点，提升综合语言运用能力。

Unit5 Power of ideas 全单元大课文高频考点挖空练习题 2026-2027学年人教版九年级英语上册 3a Fu Xing: What do you think is the_______ ________ ________（最有用的发明）of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio___________(invent), information travelled very slowly. The world__________(make)much smaller by the radio. Suddenly, news could_________(spread)around the world_______ ________（在几秒钟之内）. Fu Xing: Right. Who was the__________(invent)? Peter: An Italian inventor__________(call)Guglielmo Marconi. He developed the idea _______the 1890s. In 1901, a radio message__________(send)across the Atlantic Ocean_________the first time. Fu Xing: Wow! That was quite a____________(距离）at that time. Peter: Yeah. And because of the radio, some other important inventions_________________(develop)as well. Fu Xing: Like the television? Peter: That's right. It also_______ _______ _______ _______ _______（对...有一个很大的影响）music. The radio made it much easier for people to enjoy music from_________ ________ _________ _________（全世界的艺术家们）. 4c The Qinghai-Xizang Railway_________________(complete) in 2006. It____________(connect) Xining to Lhasa, a huge distance of 1,956kilometres, and it is the________(high) railway in the world,_________(reach) 5,072 metres above sea level at Tanggula Pass. The building of the railway was a great__________(挑战）. Creative ideas_________(need) to solve different problems. In summer, the top layer of the_________(freeze)ground would melt and become too soft__________(build)on, so pipes___________(use) to keep the ground hard. However, in some places, it was_________________(possible)to build the railway_______the frozen ground, so tunnels had to__________(create) instead. In some other places, bridges__________(build) to keep the railway up above the ground. These bridges are___________________(动物友好的） and_________(allow) animals to pass under the tracks. As an important and successful project, the railway has increased ________(tour)and ____________(economy)development in the area. The lessons________(learn)and experience_________(gain)from building this railway will help_________ __________(提升交通） in other similar places in the world. 1b How do we_______ _______ ________ _________(把主意变成现实）? An Invention That Changed the World Can you imagine a world___________(没有)books, newspapers, or magazines? All of these things________ _________（依赖于）one invention— ____________(造纸术). It, _______ _______（超过)any other invention, was responsible_______the_______ ________（快速传播）of information that________(shape)our modern world. In ancient China, many different materials__________(use)to write______, such as animal bones, bronze wares(青铜器), stones, wood, bamboo, and even silk. In the Western Han Dynasty, there________(be)also a very early________(形式)of paper________(make)from jute—a_________(纤维)that comes from plants. However, all of these materials were________(要么)difficult to use and store__________(要么)very expensive. As the head_________(office)of the palace workshop for the emperor in the Eastern Han Dynasty, Cai Lun________ __________ _________（变得对...感兴趣）trying to solve the problem. Different methods for__________(create)something to write on___________(try), but none were___________(理想的）. In his times, some kinds of bark— the outside part of trees— ____________(use)to make clothes. ______ past experiences, Cai Lun got the idea that bark, __________(特定的）plants, and old clothes could__________(use)to make a special material________(suit)to write on. In the first step of Cai Lun's experiment, all the ingredients____________(mix)and___________(boil)in water. Then, this material _________(beat), cut up, and mixed with water again. Next, the liquid____________(pour)over a bamboo screen, leaving just the fibre. Finally, this fibre____________(dry)and__________(press)to form paper._______everyone's surprise, this paper was soft, light, easy to make and use, and_________ ___________（最重要的是）, cheap. In 105 CE, Cai Lun showed his___________(create)to the emperor. The emperor was very_________(please)and __________Cai Lun_________his great work(由于...表扬某人）. Later on, the __________ ___________（造纸术）did not only_______ ________（加速了)the development of Chinese culture, but also changed___________(文明）. It first spread to China's _____________(neighbour) countries and finally reached Europe through Arab countries________the 12th century. When the use of paper and printing came together in later centuries, it________(lead)to a rapid increase in________ ________ _______（...的数量）books. This resulted_______a new birth of knowledge,____________(create)the world we have today. 3a The________(invent)of the plane has greatly changed the world. However, it seems that its__________(invent), Orville Wright and Wilbur Wright, were not _______ ________ ________ ________ ________（试图改变世界）at all. Rather, they just wanted to fly_______birds. To solve the problem of heavier-than-air_________(fly), the Wright brothers began working with gliders. There were two main_________(挑战）. The first was how to get the glider_______the air. The second was_______ _______ _______（如何控制）it once it was flying. For both problems, they found their_________(solve)by looking at________birds flew. After they solved these problems, they added an engine_______the glider. Then, in December 1903, the world's first plane flights___________(make). The invention of the plane has made our travels around the world much________(easy) and________(fast). Journeys that once took days, weeks, or even months, can now be made in only a few hours._______a result, ___________(communicate)among people in different countries is now much easier, and the world has become a much_________(small)place. 1 学科网（北京）股份有限公司 $