Unit 8--第3课时 （课后作业）-【学导练】2026年八年级下册英语课件PPT（沪教版）

该初中英语课件聚焦八年级下册Unit 8第3课时语法，核心知识点为连词（because, since, as等）及介词短语（because of）的用法，通过单项填空引入，逐步过渡到用适当连词填空和语法填空，构建从基础辨析到语境运用的学习支架，帮助学生衔接前后语法知识。 其亮点在于通过多样化题型提升语言能力，结合太空故事语境的语法填空培养思维品质，分层练习助力学习能力发展。例如语法填空以Sam发现外星信件的故事整合知识点，学生在情境中运用语法，教师可借助系统练习提升教学效率。

英语 八年级 下册 配上海教育版 Unit 8 Imagine that! 第3课时 Grammar 一、单项填空 ( )1. I hate travelling by air ___________ I usually have to wait for hours before the plane takes off. A. because B. though C. until D. if ( )2. Because it is hot, ___________ we decide to go swimming. A. so B. since C. for D. / A D ( )3. ___________ you have grown up, you should make decisions on your own. A. Until B. Although C. Since D. So ( )4. The number of service jobs has increased __________ technology. A. because B. because of C. for D. as ( )5. She was praised, ___________ she often helped others. A. but B. as C. or D. and C B B ( )6. _________ the heavy snow, we didn't go to school. A. Because B. Because of C. Since D. As ( )7. It is raining, __________ we have to put off the sports meeting. A. so B. because C. and D. but ( )8. ___________ it is late, you should go home now. A. Since B. Or C. Because of D. Until B A A ( )9. The sun must have set, __________ it is growing dark. A. for B. unless C. after D. though ( )10. I will go to the party alone __________ you don't want to go. A. until B. since C. when D. but A B 二、用适当的连词或介词短语填空 1. I didn't go to school yesterday ______________ I was ill. 2. I missed the food festival ____________ my illness. 3. ____________ you are in poor health, you should not stay up late. 4. I asked her to stay to drink tea _______________________ I had something to tell her. 5. ________________ astronauts need to work in zero gravity, they have to take strict physical training. because / as because of As / Since because / as As / Because 6. ________________ we have learned a lot about Mars, we know it has no liquid water on the surface. 7. Many students love books about space ____________ they are full of amazing stories about unknown planets. 8. The alien couldn't walk on Earth normally ____________ the different gravity. 9. We found some strange footprints on the ground, ____________ we decided to explore the area further. 10. He might have gone to bed, ____________ the light went out. As / Because as / because because of so for 三、语法填空 There is a book about space mysteries. One of the stories in it is very eye-catching. One day, Sam found a strange letter in his garden. The letter 1. ____________ (write) in a special code. The paper felt smooth, unlike any other kind of paper 2. ____________ Sam's planet. Sam asked his elder sister for help 3. __________________ she was good at solving puzzles and had won a big prize for decoding secret messages. was written on because / as After two 4. ____________ (hour) of hard work, they finally understood the letter. It was from 5. ____________ alien named Zane. Zane lived on a planet far away. He said that his planet had no 6. ____________ (pollute), so the air there was always fresh and the rivers were as clear as crystal. He also wrote that his people 7. ____________ (real) loved peace and enjoyed exploring the universe. He invited Sam to visit 8. ___________ (he) planet if Sam could build a small spaceship to travel through the stars. hours an pollution really his Sam was very 9. ____________ (excite) because he had always loved space stories and dreamed of meeting real aliens. He started to draw a design for a spaceship with his sister and finally … Just imagine what will happen next. Will Sam succeed in 10. ____________ (build) the spaceship? Do Sam meet the alien in the end? Let's find out more in the book. excited building THANKS! $