2019版高考英语一轮复习第一部分教材重点全程攻略unit3computers讲义新人教版必修2

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1、Unit3Computers话题素材——电脑网络科技[话题词汇]1．conveniencen.方便；便利2.beneficialadj.有益的；有好处的3．electronicadj.电子的4.technologyn.技术；科技5．updaten.&vt.更新；(使)现代化6．be_addicted_to对……上瘾7．negativeeffects负面影响8.with_the_help_of在……帮助下9．makeadifference有影响；有关系10．shoponline网购11．changeone'slife改变某人的生活12．improve_the_quality_of_li

2、fe改善生活质量13．more_and_more_popular越来越流行14．surf_the_Internet上网浏览信息(网上冲浪)15．contributeto...导致；促进……[经典佳句]1．With_the_help_ofthecomputer,it_has_become_possibleforhumansto_workathome.在电脑的帮助下，人们在家办公已成为可能。2．There_is_no_doubt_thatspendingtoomuchtimesurfingtheInternetwilldo_harm_toteenagers.毫无疑问，花费太多的时间上网对

3、青少年不利。3．Wehavetosayit_isjusttheInternetthatismakingourlifemorecolourfulandcomfortable.我们必须承认正是网络使我们的生活更加丰富多彩和舒适。21精美语篇RecentlyourclassdiscussedtheadvantagesanddisadvantagesofsurfingtheInternet.Hereareourconclusions.Ofcourse,surfingtheInternetclearlyhassomeadvantages.ThereisnodoubtthattheInterne

4、tmakescommunicationeasierandhelpsuskeepupwiththelatestinformation.Italsoprovidesuswithvariouswaystokilltime,suchasonlineshopping,onlinemoviesandonlinechatswithfriends.Likeanythingelse,theInternetisnotperfect.Beingaddictedtoitcanwastealotoftime,especiallyforusstudents;notonlycanourstudiesbeharme

5、dbyourspendingtoomuchtimeonline,butweoftenhearnewsofstudentswhometdangerouspeopleonlineorevengotcheated.Inmyopinion,whensurfingtheInternet,weshouldbeawareofboththeadvantagesanddisadvantages.Onlyinthiswaycanwereallybenefitfromit.◆　高频单词1．calculate(vt.)计算→calculation(n.)计算2．universal(adj.)普遍的；通用的；

6、宇宙的→universe(n.)宇宙；天地万物3．simplify(vt.)简化→simple(adj.)简单的→simply(adv.)仅仅；只；不过4．operator(n.)(电脑)操作员；接线员→operate(v.)运转；工作→operation(n.)手术；运作5．logical(adj.)合逻辑的；合情理的→logically(adv.)逻辑上；合逻辑地；有条理地6．technology(n.)工艺；科技；技术→technological(adj.)科技的7．intelligence(n.)智力；聪明；智能→intelligent(adj.)智能的；聪明的8．solve

7、(vt.)解决；解答→solution(n.)解决；解答9．reality(n.)真实；事实；现实→real(adj.)真正的；真实的→really(adv.)真正地；确实地10．personal(adj.)私人的；个人的；亲自的→personally(adv.)就个人而言；亲自→personality(n.)个性；人格；名人11．total(adj.)总的；整个的(n.)总数；合计(vt.)共计；总计→totally(adv.)完全地；整个地12．app