2020届人教版高考英语必修2知识串讲：unit3

2020届人教版高考英语必修2知识串讲：unit3

人教版必修二-unit 3‎ ‎【基础词汇】‎ ‎1.universal adj. 普遍的;通用的;宇宙的 ‎2.sum n. 总数;算术题;金额 ‎3.logical adj. 合逻辑的;合情理的 ‎4.logically adv. 逻辑上;合逻辑地;有条理地 ‎5.technology n. 工艺;科技;技术 ‎6.technological adj. 科技的 ‎7.revolution n. 革命 ‎8.artificial adj. 人造的;假的 ‎9.tube n. 管;管子;电子管 ‎10.network n. 网络;网状物 ‎11.web n. 网 ‎12.application n. 应用;用途;申请 ‎13.finance n. 金融;财经 ‎14.mobile adj. 可移动的;机动的 ‎15.rocket n. 火箭 ‎16.download vt. 下载 ‎17.virus n. 病毒 ‎18.coach n. 教练 ‎【高频词汇】‎ ‎1.solve vt.解决;解答 ‎2.explore vt.&vi.探索;探测;探究 ‎3.anyhow adv.(也作anyway)无论如何;即使如此 ‎4.goal n.目标;目的;球门;(进球)得分 ‎5.happiness n.幸福;快乐 ‎6.arise vi.(arose,arisen)出现;发生 ‎7.electronic adj.电子的 ‎8.character n.性格;特点 ‎9.mop n.拖把　vt.用拖把拖;擦 ‎10.niece n.侄女;甥女 ‎【核心词汇】‎ ‎1.　calculate　 vt.计算→　calculation　 n.计算→　calculator　 n.计算器 ‎ ‎2.　simplify　 vt.简化→　simple　 adj.简单的→　simply　 adv.简单地 ‎ ‎3.　operator　 n.(电脑)操作员;接线员→　operate　 vt.&vi.操作→　operate　 vi.(对……)动手术→　operation　 n.运转;操作;手术 ‎ ‎4.　intelligence　 n.智力;聪明;智能→　intelligent　 adj.智能的;聪明的→　intelligently　 adv.聪明地 ‎ ‎5.　reality　 n.真实;事实;现实→　real　 adj.真实的→　really　 adv.真实地;真正地 ‎ ‎6.　personal　 adj.私人的;个人的;亲自的→　personally　 adv.就个人而言;亲自→　personality　 n.人格;个性 ‎ ‎7.　total　 adj.总的;整个的→　total　 n.总数;合计→　totally　 adv.完全地;整个地 ‎ ‎8.　signal　 vi.& vt.发信号→　signal　 n.信号 ‎ ‎9.　type　 n.类型→　type　 vt.&vi.打字→　typist　 n.打字员→　typewriter　 n.打字机 ‎ ‎10.　appear　v.出现;显得;似乎→　appearance　 n.外观;外貌;出现 ‎ ‎【词汇联想】‎ ‎1.与动词arise形式变化相似的词汇 arise　arose　arisen 出现;起身 rise　rose　risen 上升;起来 ride　rode　ridden 骑 write　wrote　written 写 drive　drove　driven 开车 ‎2.后缀“-ology”高频名词一览 technology 科技 ecology 生态学 biology 生物学 psychology 心理学 sociology 社会学 ‎3.“互联网”家族 type vi.&vt.打字 Internet n.因特网 network n.网络 connect vt.连接 upload vt.上传 download vt.下载 password n.密码 database n.数据库;资料库 surf v.浏览 ‎4.anyhow相关单词一览 somehow adv.以……方式;不知怎么地;不知为什么 somewhat adv.有点儿;有几分;颇为 anyhow adv.无论如何 anyway adv.无论如何;不管怎样 ‎5.由signal想到的 signal 信号 sign 迹象;符号 sigh 叹息 single 单个的;单身的 sight 视力;情景 ‎6.既是实义动词,也是系动词的词 stay 保持;待着 keep 保持;保留 remain 留下;保持 appear 显得;好像 seem 似乎;好像 look 看;看起来 ‎【短语】‎ ‎1.watch over 　看守;监视　 ‎ ‎2.personal computer 　个人电脑　 ‎ ‎3.artificial intelligence 人工智能 ‎1.结果 as a result ‎2.处理;安排;对付 deal with ‎3.从……时起 from...on ‎4.如此……以至于…… so...that...‎ ‎5.在某种程度上 in a way ‎6.在……的帮助下 with the help of ‎7.人类 human race ‎【短语联想】‎ ‎1.“因此”的各种表达 therefore 因此;所以　　as a result 结果;因此 as a consequence 结果;因此 consequently 因此;结果 ‎2.“帮助”家族 help n.&vt.帮助 assist vt.帮助;协助 assistance n.帮助;协助 aid n.&vt.帮助;援助;资助 support n.&vt.支持;帮助 fund vt.资助 sponsor vt.赞助 give/lend sb.a hand 帮助 ‎【句式】‎ ‎1.As time went by　,I was made smaller. ‎ 随着时间的推移,我被做得越来越小。‎ 考点提炼as引导时间状语从句,意为“随着……”。‎ ‎2.Over time my memory has developed so much that,like an elephant,I never forget anything I have been told! ‎ 随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我的任何事情!‎ 考点提炼so...that...“如此……以至于……”,引导结果状语从句。‎ ‎【句子仿写】‎ ‎1.随着时间的推移,我跟老朋友们的联系越来越少了。‎ As time went/passed by,I kept in less touch with my old friends.‎ ‎2.她气得说不出话来。‎ She was so angry that she couldn’t speak.‎ ‎【语篇填空】‎ The history of computers began in 1642 in France.They were first built only as 1.　calculating　(calculate)machines,and 2.　later　(late)as analytical machines that could “think” 3.　logically　(logic)and produce an answer quicker than any person.Still later,4.　the　“universal machine” was built to solve mathematical problems,5.which made computers huge!As the years 6.　went　(go)by,computers were made smaller,quicker 7.　and　 cleverer.Later,computers were connected by a network and 8.　brought　(bring)into common people’s homes to deal with information and help communication 9.　between　 people around the world.Since 10.　their　(they)birth,computers have always been designed to serve the human race. ‎