1、Unit2 Book4 早读材料一、必背短语1. 关/开（电灯、机器等）switch off2. 遥控器；遥控remote control3. 空调机air conditioner4. 日常生活daily routine5. 在初期；早先early on6. 着火catch fire7. 从这种（某种）意义上来讲 in this sense (in .sense)8. 人工智能artificial intelligence9. （与.）保持联系；了解（某课题或领域的情况）keep in touch with10. 说服某人做某事persuade sb. to do sth.11. 与.有关be
2、 relevant to .12. 将.与.结合combine . and (with).13. 闲逛hang out二、词形转变1. distant adj. 遥远的；远处的 distance n.距离；远方2. automatic adj. 自动的automatically adv. 自动地；机械地；无意识地;3. integrated adj.各部分密切协调的，integrate v. （使）合并4. efficient adj. 效率高的；有功效的 efficiently adv. adv.有效地；效率高地 efficiency n. 效率；效能5. prefer v.较喜欢; 喜欢多
3、于 preference n. 爱好；偏爱6. instant n. 瞬间；片刻 adj. 立即的；速食的；速溶的instantly adv.立刻; 立即; 马上7. constant adj. 不断的 ；重复的 constantly adv.一直; 重复不断地;8. critical adj.严重的；关键的；critically adv. 批判性地；苛求地; 严重地;9. potential adj. 可能的；潜在的 potentially adv. 潜在地；可能地10. predict v. 预测；预言 prediction n. 预测；预言11. absence n. 不存在；缺乏；缺席
4、 absent adj.adj.缺席; 不在; 心不在焉的; 出神的;12. resist v.抵制；反抗 resistance n. 抵制；反对；抗拒13. accurate adj. 精确的；准确的 accurately adv.准确地，精确；14. library n.图书馆 librarian n. 图书管理员15. relevant adj. 有关的；有意义的 relevantly adv. 有关地；切题地 relevance n.相关性；意义；重要性三、必背文段Nowadays，smart homes are becoming more and more familiar with
5、 us with the development of science and technology.They will bring us security，energy-saving，and comfortable life in the future，many of which will replace switches，knobs and remote controls used in our todays homes.These intelligent controls will respond to voice commands so you just say aloud what
6、you want and the home system will obey.Besides，smart homes will also monitor your health for you every day, sending a warning to your phone，giving you suggestions on a healthier diet and keeping constant track of your health to save your life potentially. Most importantly，smart homes will be able to prevent serious damage from accidents. If the smart technology will be used widely，the quality of our life will be greatly improved.
