Unit5知识点-Section B 3a-3d练习 2026-2027学年人教版九年级英语上册

九年级英语上册Unit5知识点-Section B 3a-3d练习 小试牛刀 A. 选用方框中的短语填空（每个限用一次） look to added an engine were solved as a result made the world much smaller 1. The Wright brothers wanted to fly like birds, so they ____________________ birds for solutions. 2. ____________________, communication among people in different countries is now much easier. 3. The invention of the plane has ____________________. B. 句型转换（改为一般疑问句并作肯定或否定回答） 1. The Wright brothers invented the first plane in 1903. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 2. The glider was controlled by looking at how birds flew. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 3. Journeys that once took months can now be made in a few hours. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. What did the Wright brothers want to do? A. To change the world. B. To fly like birds. C. To build a car. D. To travel by ship. 2. What were the two main challenges they faced? A. How to get the glider into the air and how to control it once flying. B. How to make the glider heavier and faster. C. How to add an engine and land safely. D. How to sell the plane. 3. How did they solve the control problem? A. By adding a bigger engine. B. By looking at how birds flew. C. By using a computer. D. By asking for help. 4. When were the world’s first plane flights made? A. In 1901. B. In 1903. C. In 1905. D. In 1910. 5. What effect has the plane had on the world? A. It made travel slower. B. It made the world much smaller and communication easier. C. It stopped people from travelling. D. It made travel more expensive. B. 完成句子（★★） 根据课文内容，用正确的词汇完成句子。 1. 飞机的发明极大地改变了世界。 The invention of the plane has greatly ______ the ______. 2. 莱特兄弟似乎根本没想过要改变世界。他们只是想像鸟一样飞翔。 The Wright brothers were not ______ to change the world at all. Rather, they just wanted to ______ like birds. 3. 要解决比空气重的飞行问题，他们开始研究滑翔机。 To ______ the problem of heavier-than-air flight, the Wright brothers began ______ with gliders. 4. 一旦这些解决了，他们给滑翔机加上了发动机。 After these problems were ______, they added an ______ to the glider. 5. 曾经需要数天、数周甚至数月的旅程现在只需几个小时就能完成。 ______ that once took days, weeks, or even ______ can now be made in only a few hours. 拓展思考 写一段话（至少5句）介绍一项你感兴趣的发明（例如计算机、手机、电灯等）。说明它的发明者、时间、解决了什么问题，以及它如何改变了人们的生活。使用 was invented / because / as a result / once ... now 等表达。 _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案与解析 小试牛刀 A 1. looked to 2. As a result 3. made the world much smaller 小试牛刀 B 1. Did the Wright brothers invent the first plane in 1903? Yes, they did. / No, they didn’t. 2. Was the glider controlled by looking at how birds flew? Yes, it was. / No, it wasn’t. 3. Can journeys that once took months now be made in a few hours? Yes, they can. / No, they can’t. 配套练习 A 1. B 2. A 3. B 4. B 5. B 配套练习 B 1. changed, world 2. looking, fly 3. solve, working 4. solved, engine 5. Journeys, months 拓展思考（示例） I am interested in the invention of the light bulb. It was invented by Thomas Edison. Before the light bulb, people used candles or oil lamps, which were dim and dangerous. Edison solved the problem by creating a long-lasting electric bulb. As a result, people could work and read at night easily. Once a night was very dark, but now it is full of light. This invention changed the world greatly. 1 学科网（北京）股份有限公司 $