1、Unit 4 Information and TechnologyLesson 3 Internet and Friendshipharm n/v1.harm v.伤害伤害n.损害损害;伤害伤害do no/great/much a lot of harm toharmful adj 有害的有害的harmless adj 无害的无害的 Staying up constantly can do harm to/be harmful to your health.Exercises:(1)It has been confirmed that too much workout is _(harm)to
2、 our health.(2)Experts say that eating too much junk food does harm _ our body.harmfultoharm n/v2.argument n.论点；论据论点；论据They had a heated argument concerning the importance of money.heated argument 激烈的争论激烈的争论 argue v.争论争论,争吵争吵/认为主张认为主张(think)argue/quarrel with sb about/over sth 与sb因为sth而争辩argue for/a
3、gainst sth.支持；赞同/反对argue sb intolout ofdoingsth说服某人做/不做某事=persuade/convince/talk into doingtrick/cheat sb into doing They tried to argue him into joining them.The public argued for the policy that the tax should be reduced.The governments argue/think that this will help promote understanding across
4、cultures.Exercises:(1)We are always arguing with each other _ money.(2)Most students argue _ the view that the final exam should be cancelled.(3)We had an _(argue)with the waiter about the bill.about/overforargumenttake the place of=take ones placein ones place=in place of(1)Personally,I think store
5、 shopping will exsit along with online shopping but will never _(replace)(2)The teacher replaced the outdated teaching method _ activity-based method.(3)Paul just is a _(replace)but he sticks to training.be replacedwith/byreplacementreplacement n.替代；替代品替代；替代品 replace A with/by B 用用B代替代替Areplace sb a
6、s 取代某人成为取代某人成为replace v.取代取代/放回原处放回原处 hug n/v 拥抱拥抱hug sb=give sb a hug a big/tight/warm hug近义词 embrace on=focus on=fix on=put ones heart toones attention/efforts/erergy/mind onWhen you concentrate on one task you can get it done faster and better.concerntrate v.集中注意力，专注集中注意力，专注 nconcentrated adj.集中的
7、；专注的集中的；专注的concentration n.集中；专注集中；专注with concentration 专注地Driving requires total concentration.Exercises:(1)You can make it with the attention _(concentrate)on the task.(2)I need a lot of _(concentrate)to complete the task.(3)Tom concentrated all his attention on _(rescue)the disabled.concentratedc
8、oncentrationrescuingbe about 关心；担忧关心；担忧 be with 关心；与关心；与有关有关as far as sb be concerned 就就而言而言concerned adj.关心的；关心的；担忧的；担忧的；有关联的有关联的 concern v 使担忧；与有关，涉及 n.担心（的事）；关系 concerning prep.关于关于(regarding.with regard to)What concems me is our lack of preparation for the change.Please pay attention because thi
9、s information concerns all of you.Thank you for your concen.What are your main concerns as a student?I am writing to inform you of some suggestions concerning traditional customs.rewarding adj.有益的，有意义的，报酬高的有益的，有意义的，报酬高的Traveling along the old silk road is an interesting and rewarding/beneficial expe
10、rience.reward n&v.报酬，悬赏报酬，悬赏,回报回报 in reward for=as a for 作为作为.的报酬的报酬=in return sb with sth 用用sth 报答某人报答某人sb for sth 因为因为sth报答某人报答某人An act of kindness deserves a reward.The old lady is offering a reward of$50 to anyone who finds her cat.Their efforts were rewarded with success in the end.The police w
11、ill reward whoever provides useful information.Exercises:(1)What he did is very _(reward).(2)The old lady gave Tom some candies _ a reward for his good behavior.(3)Our efforts _(reward)in the future.rewardingaswill be rewardedadditon n.增添增添,添加添加;加法加法 In addition to reading for knowledge,we read for
12、fun and inspiration.The little girl is not good at addition.词组in addition 除此之外(besides,whats more,furthermore,additionally)in addition to 除.之外还有(as well as,apart from)add v.增添增添,添加添加;补充说补充说 Add some water to the tea,if it is too strong.And dont be late,she added.add sth to sthadd up 相加，加起来 add upto
13、合计(达到)additional adj 附加的；另外的附加的；另外的additionally adv.除此之外除此之外content.n&adj&vn.内容内容,目录目录（常用（常用pl)Its advisable to look at the content of a book before buying it.所含之物所含之物（常用（常用pl)She dropped her suitcase and the contents fell out on the floor含量含量 food with high fat content uadj.满足的，满意的满足的，满意的be with=be
14、 satisfied/pleased/happy withI am content with second place because I know that I tried my best.v使满足使满足 sb=please/satisfy sbwe shoul never content ourselves with the book knowledge.我们切不可只满足于书本知识。shallow adj.浅的浅的;肤浅的，浅薄肤浅的，浅薄的的a shallow dish waters/sea/layer 浅水水域，浅水层a shallow insight/argument一个肤浅的见解/
15、论点 basis n.基础基础,基点基点on the basis of 在在.基础上基础上 lay a solid basis for 为.打下坚实的基础on a daily/regular/weekly basis 每天/定期每周base v以为基础/n底部基地 Never base your happiness on/upon others pain.Based on historical facts,the novel is attractive.basic adj 基础的 the basic principles of physics.basically adv.基本上 The two
16、 approaches are bascially similar.Exercises:(1)_ the basis of those facts,we can reach the following conclusions.(2)_(basic),there is not a lot we can do about it.(3)Our marriage is _(base)on love rather than money.OnBasicallybasedopinion n.意见，看法意见，看法,主张主张I cant agree with your opinion in this respe
17、ct.在这方面我无法赞同你的意见。seck/ask for sbs opinion 征求某人意见征求某人意见 in ones opinion=in ones view 在某人看来在某人看来 Whats your opinion of.?你认为.怎么样?percent n.百分比；百分数百分比；百分数percentage n.百分率；百分比focus.n&vn.中心中心,焦点焦点；焦点焦点,焦距焦距The coffee shop is the focus of social life in France.The focus on my camera isnt working properly.i
18、n focus 焦点对准的，清晰的 out of focus 焦点没对准的，不清晰的 Vi/Vt.集中注意力，精力等集中注意力，精力等 The noise made it hard for me to focus on my work.Focus your attention on your class.全神贯注f全神贯注于maintain n&v.v维修,保养 v维持,保持The two countries have always maintained friendly relation for many years.v供养 limiting adj.限制性的；局限的限制性的；局限的 fac
19、tors 限制性因素limited adj 有限的 materials limitless adj 无限的 potentiallimit n/v限制，限定 be limited tov.sth to sth We must limit the composition to 1000 words.n.set a to We should set a limit to what our students can do.within the limit of在范围内 He tried my patience to its limits.他把我逼得忍无可忍。There is a limit in li
20、fe but no limit in konwledge.brief adj.简洁的简洁的;短暂的短暂的,短期的短期的词组in brief 总之(in short,in a word,all in all,on the whole)to be brief/briefly speaking 简言之creative adj.创造性的创造性的He is very creative,although not all his ideas have come true.create v.创造The company is trying to create ayoung energetic image.creatively adv.creation n.创作,创造u;作品ccreativity n.创造性,创造力 creator n 创造者creature n.生物 authority n.权威,当局,官方/权威人士，专家,泰斗 The authorities have refused to let him enter the country.Heisuniversally recognized as an authority on Russian affairs.
