Unit+4+Information+technology+Lesson+3+Internet+and+friendships+知识点及默写清单 高一英语北师大版（2019）必修第二册

Lesson3harmv.&n.伤害,损害harmfuladj.有害的harmlessadj.无害的beharmfulto...对……有害do/causeharmto...对……造成伤害argumentn.论点;论据arguev.replacevt.取代;接替replacementn.代替者replacesthwith/bysth用某物替换某物eq\b\lc\\rc\}(\a\vs4\al\co1(inplaceofsb,inone'splace,taketheplaceofsb,takeone'splace)) 代替某人hugn.&v.拥抱;紧抱给某人一个拥抱givesb.ahugconcentratevi.专注;集中注意力concentrationn.concentratedadj.全神贯注的concentrateon(doing)sth/focuson/bedevotedto...聚精会神于(做)某事concernn.担忧,忧虑;vt.与……有关;使担心concernedadj.与……有牵连的；担忧的concerningprep.关于express/show/feelconcernabout/for... 对……表示关心/担心beconcernedabout...为……担忧asfarassb/sthisconcerned 就......而言高级句式：WhatI’mconcernedaboutisthat...rewardingadj.有益的;有意义的rewardv./n.奖赏rewardsb.fordoingsth.berewardedwith...addv.添加additionn.增添;添加inaddition/what’smore/besides/moreover/furthermore...把…添加到…addsth.tosth.contentn.内容，目录(pl.)；满足；容量adj.满意的v.(使)满意/满足be/feelcontent/satisfiedwith...对……满足/满意becontent/pleasedtodosth乐于做某事shallowadj.肤浅的,浅薄的swallowv.吞下*trivialadj.没有什么价值的;微不足道的basisn.基础n./v.基于baseadjbasicadv.basically基于…base…on….onaregularbasis定期onthebasisof...percentn.百分比;百分数opinionn.意见;看法;主张inmyview/opinion在我看来focusvi.给予某物关注;n.焦点infocus清晰的，焦距对准的outoffocus 模糊的，未对准的focusone'sattention/mind/eyeson/upon... 集中某人的注意力/心思于……[点津]表示“集中注意力于……，致力于……”的常用短语：bedevotedto/beburiedin/bebenton/focus...on.../concentrate...on.../beappliedtomaintainvt.保持;维持smartphonen.智能手机tabletn.平板电脑;药片;碑,牌limitingadj.局限的,限制性的n./v.限制limitbriefadj.简洁的,简明的adv.brieflyinbrief/tobebrief*emojin.表情符号creativeadj.创造性的v.createn.creation/creativity创造力;独创性creatorn.*thought-provokingadj.发人深省的,令人深思的think-thought-thoughtthoughtn.想法authorityn.权威人士;专家keyn.钥匙,关键,答案,键v.用键盘输入adj.关键的key/way/chance/opportunity/abilityto...Lesson3对……有害n