1、Unit 4 Information TechnologyLesson 3 The Road to Destruction1.harm do harm to=be harmful to 对有害mean no harm 无恶意come to no harm 没有受到伤害/损害do more harm than good 弊大于利do no/great harm to 对无害/有很大害处There is no harm in doing sth.做某事无害。harmful adj.有害的harmless adj.无害的练习：I wont do any _ to you.harm 2.argumen
2、t have an argument over/about/on sth.就展开讨论argue with sb.about/on/over sth.与某人就某事争吵/争辩argue for/against 据理力争/反对argue sb.into/out of doing sth.劝说某人做/不做某事quarrel with sb.about/over sth.为某事和某人争吵discuss sth.with sb.和某人讨论某事persuade sb.into/out of doing sth.劝阻某人做/不做某事练习：There is a strong _ for the appeal.a
3、rgument 3.replace replace sth.with/by 用替代；以接替replaceable adj.可替换的；可替代的irreplaceable adj.不可替代的replacement n.替换；更换；替代品take the place of 代替；取代in place of(=in ones place)代替instead of 代替，而不是练习：He will be difficult to _ when he leaves.replace 4.concentrate concentrate sth.on(doing)sth.将致力于（做）concentrate o
4、nes attention on 致力于；把注意力集中在concentrate on sth.集中时间做某事；全神贯注于be absorbed in 全神贯注于 focus on 集中于centre sth.on 将某物集中在bury oneself in sth.埋头于或专心致志于某物fix ones eyes/attention/thoughts on 全神贯注于devote to/be devoted to 献身于，全身心地投入spare no effort to do sth.不遗余力地做某事练习：We must _ our efforts on improving education
5、.concentrate 5.content with content 满意地；满足地be content to do sth.心满意足/愿意做某事content oneself with 用使自己满意/满足be/feel content with 对感到满意be satisfied with 对感到满意be pleased with 对感到满意练习：The book is rich in _.content 6.particularly in particular(=particularly)尤其；特别；格外be particular about 对挑剔/过分讲究in every parti
6、cular 在每个细节上nothing in particular 没什么特别的练习：We shouldnt look down on others,_ the disabled.particularly 7.opinionin ones opinion(=in ones view)在某人看来have a good opinion of 对评价好have a bad opinion of 对评价不好have a high opinion of 对评价高have a low opinion of 对评价低opinions on/about/of.对的看法练习：The boss has a ver
7、y high _ of her.opinion8.responseresponse n.回答，回复respond vi.作回答；作出反应（常与to连用）responsible adj.有责任的，有义务的，可信赖的responsibility n.责任，负责responsibly adv.明事理地；认真负责地练习：They made no _ to my call for help.responseDo you think the Internet helps or harms friendships?Give your reasons.Write them down in the follow
8、ing table.ACTIVATE AND SHAREPositive aspectsNegative aspectsbrings people closer togethermakes people self-centredRead the first blog post The Internet Harms Friendships.Underline the general idea and the topic sentence for each argument.Read the first blog post again.Complete the information on the
9、 left side of the diagram.Read the first blog post again.Complete the information on the left side of the diagram.Negative aspectsArgument 1Topic sentence:Talking online is no replacement for face-to-face contact.Supporting details:Images really cannot replace a real-life smile or hug.Communicating
10、through a screen makes it more difficult for children to concentrate or show kindness to others.Read the first blog post again.Complete the information on the left side of the diagram.Negative aspectsArgument 2Topic sentence:The Internet can make people self-centred.Supporting details:Instead of hav
11、ing proper conversations with their friends,some people are only concerned with their online popularity.A lot of the content posted on social media is shallow or trivial.Read the first blog post again.Complete the information on the left side of the diagram.Negative aspectsArgument 3Topic sentence:O
12、nline relationships may not be what they appear to be.Supporting details:Friendships are built on the basis of trust,and with online communication you can never be 100 percent sure that the people you are chatting to are being honest about who they are.Read the second blog post The Internet Helps Fr
13、iendships.Complete the information on the right side of the diagram in Activity 3.Read the second blog post The Internet Helps Friendships.Complete the information on the right side of the diagram in Activity 3.Positive aspectsArgument 1Topic sentence:The Internet makes communication much more conve
14、nient.Supporting details:You can stay in touch with friend no matter where you are or what you are doing.Positive aspectsArgument 2Topic sentence:The Internet has also made communication more fun.Supporting details:You can share photos,videos,news stories and websites with your friends online.Read t
15、he second blog post The Internet Helps Friendships.Complete the information on the right side of the diagram in Activity 3.Positive aspectsArgument 3Topic sentence:Online communication can actually bring people closer to each other.Supporting details:Whenever someone needs help,friends from all over
16、 the world can immediately provide useful suggestions or information.This makes friends feel loved and cared for.Read the second blog post The Internet Helps Friendships.Complete the information on the right side of the diagram in Activity 3.Choose one position.Each member of the group presents one
17、argument to support your position based on the notes taken.Think and share1.Look at the sentence from paragraph 2 in the first blog post,It is these skills that enable us to develop lifelong friendships.What does these refer to?Do you agree with the statement?Why or why not?The word these refers to
18、social skills,like concentrating or showing kindness to others.Think and share2.In the second blog post,what does Eileen Kennedy-Moore mean when she says that online friends fill holes real-life friends cant?Give your reasons.Online communication is a solution when there are difficulties with face-t
19、o-face communication,i.e.people live far apart,a person suffers from social anxiety and may find it easier to talk to people online,etc.Are there any other advantages or disadvantages of online friendships?If so,list them below.AdvantagesDisadvantagesPeople can keep contact with many friends at the
20、same time.People get to know more new friends online.The message can be saved to read later when people have time,and online friends are more tolerate with delayed reply.Some people may feel safer with text-based communication rather than face-to-face communication.Other aspectsAnonymous online frie
21、nds may be dangerous.It is easy to be trapped with too many messages,and it takes time.It is not easy to have thought-provoking communication with online friends.Other aspectsComplete the adjectives.Choose at least five adjectives to write five sentences in the space given.You may express either pos
22、itive or negative opinions about the use of the Internet.Complete the adjectives.Choose at least five adjectives to write five sentences in the space given.You may express either positive or negative opinions about the use of the Internet.Answers:1.rewarding 2.shallow 3.convenient 4.self-centred 5.l
23、imiting 6.brief 7.creative 8.cheerful 9.trusting 10.thought-provokingLook at the Word Builder.Match the words(18)with the endings(a-h)to form common collocations.Then use the collocations to complete the summary.Look at the Word Builder.Match the words(18)with the endings(a-h)to form common collocat
24、ions.Then use the collocations to complete the summary.1 friend+ship=friendship 2 any+thing=anything3 per+cent=percent 4 web+site=website5 on+line=online 6 self-+centred=self-centred7 real-+life=real-life 8 smart+phone=smartphoneSome people believe that the Internet has many negative aspects.Talking
25、 to people 1 _ or having a 2 _ with someone you only talk to on the Internet isnt a replacement for 3 _ communication.While it can connect you with other people who use a 4 _,face-to-face contact with others is important to help you maintain healthy relationships.This argument is thought-provokingon
26、linefriendshipreal-lifesmartphonebecause it shows that people still need face-to-face communication with others today.In addition,spending too much time on the Internet can make you 5 _ because you can become obsessed with popularity and gaining followers.Finally,you need to be careful with various
27、6 _ because you can never be 100 7 _ sure that 8 _ you read online is true.self-centredwebsitespercent anythingDoes the Internet help or harm friendships?Express your opinion by using examples or personal experiences.Debate语法语法：复合词复合词复合词是由两个单词组合而成的。通常第一个复合词是由两个单词组合而成的。通常第一个词修饰第二个词，表达其主要特征，第二个词词修饰第二个
28、词，表达其主要特征，第二个词决定复合词的词性。复合词有不同词性，决定复合词的词性。复合词有不同词性，如如形容词形容词(online,self-centered,real-life)，名词名词(friendship,percent,website)和和动词动词(babysit,overdo)。1.合成名词常见构词法合成名词常见构词法(1)n.+n.penfriend(笔友)，classroom(教室)，newspaper(报纸)(2)adj.+n.greenhouse(温室)，blackboard(黑板)，highway(高速公路)，long-jump(跳远)语法语法：复合词复合词1.合成名词常
29、见构词法合成名词常见构词法(3)v.-ing+n.waiting-room(候诊室，等候室)，swimming-pool(游泳池)，washing-machine(洗衣机)，dining-room(餐厅)，sleeping pills(安眠药)(4)v.+n.pickpocket(小偷，扒手)，speakbox(对讲机)语法语法：复合词复合词1.合成名词常见构词法合成名词常见构词法(5)n.+v.-inghandwriting(书法)，sun-bathing(日光浴)(6)v.+adv.warm-up(热身练习)，make-up(化妆品)，break-in(闯入)，get-together(聚
30、会)(7)adv.+n.overcoat(长大衣)，bystander(旁观者)，outbreak(爆发)语法语法：复合词复合词2.合成形容词常见合成形容词常见构词法构词法(1)adj.+v.-inggood-looking(相貌好看的)，easy-going(容易相处的)(2)adv.+v.-inghard-working(工作努力的)，far-reaching(影响深远的)语法语法：复合词复合词2.合成形容词常见合成形容词常见构词法构词法(3)n.+过去过去分词分词state-owned(国有的)(4)n.+v.-ingpeace-loving(爱好和平的)语法语法：复合词复合词2.合成形
31、容词常见合成形容词常见构词法构词法(5)adv.+过去过去分词分词well-known(著名的)，widespread(广泛传播的)(6)adj.+过去过去分词分词kind-hearted(好心的)，ready-made(现成的)语法语法：复合词复合词2.合成形容词常见合成形容词常见构词法构词法(7)n.+adj.duty-free(免关税的)，self-satisfied(自负的，自我满足的)(8)adj.+n.large-scale(大规模的)，high-class(高级的)语法语法：复合词复合词1._(观光)took up the whole morning.2.Finally they
32、 reached a _(十字路口).3.Smoking is not allowed during _(起飞).4.They helped us to map out a _(长期的)plan.5._(户外的)exercise will do you good.Sightseeingcross-roadtake-off(s)long-termOpen-air6.Are you _(晕机的)?7.He is lively and _(外向的).8.In this aspect,clouds are like _(温室气体).9.What kind of food do you have in your _(餐厅)?10.He holds the _(跳远)record.airsick out-goinggreenhouse gasdining-roomlong-jump
