Unit 6 sectionA(1a-2d)同步作业 2023-2024学年人教版英语九年级全册

Unit 6 When was it invented? Section A 1 (1a-2d) 一、词汇运用 A) 根据句意及所给汉语提示，写出句中所缺单词。 1. The Russians were the ________(先驱) of space travel. 2. I don’t like the ________(款式) of the T­shirt. Please give me another one. 3. Our new ________(项目) is to build a new shopping mall in the city center. 4. Some important plants were ________(提到) in his article. 5. She ________(列举) all the good schools in this city yesterday morning. 6. Edison _______(发明) many __________(发明物). He is a great _______(发明家). B) 根据句意，用括号内所给单词的适当形式填空。 1. Mrs. Green bought a pair of shoes with special ________(heel) yesterday. 2. In our ________(day) life, we should stick to study. 3. Music can offer ________(please) to us, so many people like listening to it. 4. Let’s go and get some ________(scoop) of ice­cream. 二、拓展提升 In our everyday life, we can see inventions everywhere. It is hard 1.________(imagine) what life would be like without these inventions, like cars, computers, televisions and zippers. Even the smallest invention can make a big 2.________(different) to our lives. The barcode (条形码) is one of the most 3._________(use) inventions. If you want to know the information of the goods, you can scan the barcode with your smartphone. But do you know how the barcode was 4._______(invent)? Here is something about it. In 1948, an 5.______(own) of a small food store found it difficult to record the inventory (详细目录) and prices of his goods. So he turned to the Drexel Institute of Technology. He wanted to find a method 6._____(solve) the problem. The good news 7._____(be) that Bernard Silver took up the challenge and began working on it. At last Bernard Silver and a group of students from the institute set up a barcode system to solve the problem. To protect the invention, Bernard and his classmate Woodland decided 8.________(get) a patent (专利). It took them about three years. Finally, 9.____ October 7th, 1952, they got the patent. And the invention is more and more 10._______(wide) used in the world. 三、完