Unit 3 Our Digital Lives 重点词汇词性转换及巩固训练（含答案） 沪教版八年级上册英语

沪教版八年级上册英语 Unit3 Our Digital Lives 单词词性转换及巩固训练 一、词性转换（共20分） digital (adj.) → _____ (n.) 数字技术 connect (v.) → _____ (adj.) 相互连接的 warn (v.) → _____ (n.) 警告；警示 smooth (adj.) → _____ (adv.) 平稳地；流畅地 major (adj.) → _____ (adv.) 主要地；大部分地 effect (n.) → _____ (adj.) 有效的 pay (v.) → _____ (n.) 付款；支付 expert (n.) → _____ (adj.) 熟练的；专业的 negative (adj.) → _____ (adv.) 消极地；负面地 break (v.) → _____ (n.) 突破；重大进展 electric (adj.) → _____ (adj.) 电子的 nation (n.) → _____ (adj.) 全国性的；国家的 rely (v.) → _____ (adj.) 可靠的 collect (v.) → _____ (n.) 收集；采集 person (n.) → _____ (adv.) 亲自；亲身 privacy (n.) → _____ (adj.) 隐私的；私密的 add (v.) → _____ (adj.) 上瘾的 vary (v.) → _____ (adj.) 各种各样的 analyze (v.) → _____ (n.) 分析 communicate (v.) → _____ (n.) 交流；沟通 二、根据括号里单词的正确形式填空（共30分） The development of digital technology has _____ (bring) big changes to our daily lives. Smart devices can _____ (communication) with each other and share data in smart cities. Dr. Li, a famous technology _____ (expert), will give us a lecture next week. Traffic in the city center flows much _____ (smooth) than before because of the smart system. We should pay attention to protecting our _____ (private) when using social media. The smartwatch _____ (warn) my father about his high heart rate yesterday morning. This new AI technology is a _____ (majority) breakthrough in digital health. More and more people prefer _____ (pay) by mobile phone instead of cash. The data collected from users helps the company _____ (improve) its app. My laptop is much _____ (light) than the old one, so it's easy to carry. Cyberbullying has a _____ (harm) effect on teenagers' mental health. The rubbish collection company _____ (plan) better routes based on the data last month. In the future, self-driving cars _____ (make) our roads safer. We need to check the _____ (rely) of online information before sharing it. The smart door lock unlocks _____ (automatic) when it recognizes the owner's face. Students have _____ (interview) three experts on digital technology so far. Mobile payment _____ (change) the way we shop since it was invented. The teacher advised us _____ (not spend) too much time on screen. This app is _____ (use) for downloading music and videos. The microchip made computers _____ (small) and faster than before. There are many _____ (advantage) of online learning, such as flexibility. The company is _____ (analysis) user data to provide better services. She feels _____ (addict) to her smartphone and can't put it down. The Internet allows us _____ (connect) with people from all over the world. The traffic lights adjust _____ (they) timing according to the number of cars. This is one of the _____ (important) changes brought by digital technology. He gave a _____ (detail) introduction about smart cities in his report. Smart cities are more _____ (eco-friendly) th ... ...