Unit 4 Topic 1 阅读写作综合2023-2024学年仁爱科普版九年级英语上册

Unit 4 Topic 1 阅读写作综合 一、完形填空。 Chewing gum(口香糖) may be one of your favorite sweets. But did you know how it was 1 ? The sweet was invented by American scientist Thomas Adams. However, he invented it completely 2 . In 1869, Adams’ friends showed him an interesting kind of sap(树汁), and told him 3 people in Central America liked to chew on it for fun hundreds of years ago. Adams was interested in the sap. He wanted to use it to create some new 4 . Adams, however, 5 to create the products he wanted. He felt bored and 6 , and happened to chew on the sap. 7 , the sap tasted great. Adams then added something else to the sap and started selling it. Later in 1869, he opened a factory to produce this delicious 8 . In 1888, Adams gave a 9 to the invention: chewing gum. The sweet can be got from selling machines at underground stations all over New York City. Over the years, new kinds have been 10 . Now, chewing gum is popular all over the world. 1. A. eaten B. sold C. invented 2. A. in public B. by mistake C. by hand 3. A. ancient B. single C. famous 4. A. products B. records C. fruits 5. A. agreed B. stopped C. failed 6. A. upset B. nervous C. satisfied 7. A. Usually B. Surprisingly C. Clearly 8. A. dish B. meal C. treat 9. A. menu B. name C. prize 10. A. divided B. imitated C. developed 二、阅读理解。 One day, Anna Du was walking along Castle Island’s beach. She found there were lots of plastic pieces in the sea. She began to think about how to solve the problem. First, Anna did a survey. The result showed there were already 150 million tons(吨) of plastic in the sea, and every year there would be another 8 million tons. She realized something must be done. So she decided to invent a robot to help. She tried again and again. At last ROV came out. It could move through water and pick up plastic pieces, especially tiny ones. With ROV, Anna joined in the Broadcom Masters competition