Unit 3词汇练习-2025-2026学年沪教版英语八年级上册

Unit 3 词汇练习题 基础层 一、根据首字母或汉语提示写出正确单词 1. We can choose different ways of p______, such as mobile payment and cash payment. 2. You can c______ your phone to the Wi-Fi with this password. 3. The teacher w______ us not to play with fire in the classroom. 4. The hospital offers free medical t______ for the poor people. 5. The traffic is running s______ on the new road. 6. You need to master some b______ skills before learning advanced ones. 7. I left a m______ for you on the desk this morning. 8. What’s the p______ of your hometown? 9. This new policy will have a good e______ on our daily life. 10. A______ to the report, the air quality is getting better. 二、短语互译 1. 连接到……__________ 2. 移动支付__________ 3. 以……为例__________ 4. 亲自__________ 5. 警告某人某事__________ 6. 彼此共享数据__________ 7. social media__________ 8. pay attention to__________ 9. a major breakthrough__________ 10. bring big changes to__________ 三、单项选择 1. I ______ 200 yuan ______ this new book yesterday. A. paid; for B. spent; to C. cost; on D. took; for 2. Please ______ your homework carefully before you hand it in. A. look B. check C. watch D. see 3. My mother always ______ me to ice cream on my birthday. A. gives B. treats C. sends D. passes 4. —Can I take a ______ for him? —Sure. Please tell him to call me back. A. news B. information C. message D. data 5. The population of Beijing is ______ than that of Nanjing. A. bigger B. more C. fewer D. less 提升层 一、词性转换 1. There is a close ______ (connect) between hard work and success. 2. The sign gave a clear ______ (warn) about the wet floor. 3. He ______ (weigh) the apples and found they were one kilo. 4. The project is progressing ______ (smooth) with everyone’s effort. 5. His argument is ______ (base) on a lot of scientific research. 6. We should make a decision on the ______ (basic) of real facts. 7. Stress can ______ (effect) our sleep and health. 8. She refused to make any ______ (comment) on the new plan. 二、易混词辨析 1. My brother studied ______ (electric/electrical/electronic) engineering at university. 2. This new ______ (electric/electrical/electronic) watch can connect to the phone. 3. The car is powered by ______ (electric/electrical/electricity), so it’s environmentally friendly. 4. The bad weather ______ (affect/effect) our trip to the mountains last weekend. 5. This book has a great ______ (affect/effect) on my life. 6. —How much does this box ______ (weigh/weight)? —Its ______ (weigh/weight) is about five kilos. 7. I got a lot of ______ (message/information/news) about the exam from the teacher. 8. The ______ (message/information/news) of his success made us very happy. 三、用所给词的适当形式填空 1. She ______ (major) in English when she was in college. 2. All the smart devices in the house ______ (connect) to the same network now. 3. Scientists ______ (make) a major breakthrough in AI technology last year. 4. The doctor ______ (treat) the patient for a bad cold last week. 5. Different countries ______ (share) data with each other to fight the disease now. 6. He ______ (not realize) the importance of saving energy until he saw the report. 7. The teacher ______ (give) us a warning about being late for class just now. 8. In my ______ (opinion), we should use digital devices in a proper way. 四、完成句子 1. 以在线学习为例，它改变了我们的学习方式。 ______ online learning ______ ______, it has changed the way we study. 2. 父母的行为对孩子的成长有很大的影响。 Parents’ behavior ______ ______ ______ ______ the growth of children. 3. 这个新体育馆是旧体育馆的三倍大。 This new gym is ______ ______ ______ ______ the old one. 4. 就我所知，这个小镇已经和大城市相连了。 ______ ______ ______ ______ ______, this small town has been connected to the big city. 5. 老师警告我们不要在河里游泳，因为太危险了。 The teacher ______ us ______ ______ ______ in the river because it’s too dangerous. 6. 这辆车不如那辆车舒适。 This car is not ______ ______ ______ that one. 7. 他邀请我吃饭，他为这顿饭付了钱。 He invited me to dinner and he ______ ______ the meal. 8. 随着科技的发展，人工智能开启了一个新时代。 With the development of science and technology, AI has ______ ______ ______ ______. 参考答案 基础层 一、根据首字母或汉语提示写单词 1.payment 2. connect 3. warned 4. treatment 5. smoothly 6.basic 7. message 8. population 9. effect 10. According 二、短语互译 1.connect to / be connected to 2. mobile payment 3. take…for example 4.in person 5. warn sb. about/of sth. 6. share data with each other 7.社交媒体 8. 注意 9. 一项重大突破 10. 给……带来巨大变化 三、单项选择 1. A 解析：pay + 钱 + for sth. 为某物付钱，固定搭配；yesterday提示用一般过去时 2. B 解析：check 检查，核对，符合“交作业前检查作业”的语境；look/see/watch无“核对”含义 3. B 解析：treat sb. to sth. 请某人吃某物，固定搭配 4. C 解析：take a message for sb. 为某人捎口信，固定短语；news/information为不可数名词，不能用a修饰 5. A 解析：形容人口“多”用big/large，由than可知用比较级bigger 提升层 一、词性转换 1.connection 2. warning 3. weighed 4. smoothly 5. based 6.basis 7. affect 8. comments 二、易混词辨析 1.electrical 2. electronic 3. electricity 4. affected 5. effect 6.weigh; weight 7. information 8. news 三、用所给词的适当形式填空 1. majored 解析：when引导的时间状语从句用一般过去时，主句时态一致 2. are connected 解析：devices和connect是被动关系，now提示用一般现在时的被动 3. made 解析：last year提示用一般过去时，make a breakthrough 取得突破 4. treated 解析：last week提示用一般过去时，treat sb. for sth. 为某人治疗某病 5. are sharing 解析：now提示用现在进行时 6. didn’t realize 解析：not…until… 直到……才……，saw提示用一般过去时 7. gave 解析：just now提示用一般过去时 8. opinion 解析：in one’s opinion 在某人看来，固定短语 四、完成句子 1. Take; for example 2. has a great effect on 3. three times as big as 4. As far as I know 5. warned; not to swim 6. as comfortable as 7. paid for 8. started a new era 学科网（北京）股份有限公司 $