北师大版（2019）必修第二册Unit4Information technology Lesson 3 Internet and Friendships单词知识点课件-（28张ppt）

(共28张PPT)
UNIT 4 Information Technology
Lesson 3 Internet and friendships
UNIT 4 Information Technology
Lesson 3 Internet and friendships
单词+知识点
单词
harm /hɑ m/ n.伤害，损害
harm one’s image / reputation损害某人的形象/ 名声
●harmful adj 有害的，
harmless adj 无害的
harm watch , harm catch
(谚语）害人反害己
● concentrate / k n s n tre t/ vi.专注，专心；集中注意力● concentration n 集中，专心
concerned /k n s n d/ adj.关切的，关心的
● be concerned with 关心……
eg. People are only concerned with their online popularity . concern n. 担心，忧虑；使人担忧的事物；
●rewarding /r w d / adj.有益的；有意义的
Eg. Teaching young children is a challenging and rewarding job.
reward n. 奖励，回报；；报偿，报应;
v. 酬谢，奖赏；奖励
●addition / d n/ n.增添；添加
●in addition 除此之外
●In addition to “除......以外（还）”
Eg. I am going to go downtown to see my teacher in addition to buying something.
Eg. To learn English well, you must speak and read more. In addition , you must enlarge your vocablary .
●content / k n ten t/ n. 内容
●content adj. 满足的，满意的，甘愿的; n. 目录；所含物，
●shallow / l / adj.肤浅的，浅薄的
shallowly adv. 浅浅地；肤浅地
● *trivial / tr vi l/ adj.没有什么价值的；微不足道的● basis / be s s/ n.基础；基点● on a regular basis 定期● basic adj 基础的， 基本的， 初级的，
● percent /p sen t/ n.百分比；百分数● opinion / p nj n/ n.意见；看法；主张● focus / f k s/ vi.给予某物关注； n.焦点● focus on 关注● the focus of attention 关注的焦点
● maintain /me n te n/ vt.保持；维持● smartphone / s mɑ t f n/ n.智能手机● tablet / t b l t/ n.平板电脑；药片；碑，牌● limiting / l m t / adj.局限的，限制性的● limit n 限度， v 界限，范围● within limits 在某种程度上， 有一定限制
● brief /b ri f/ adj.简洁的，简明的● in brief / to be brief 简言之● a brief introduction 简介● briefly adv 简短地， 简要地；短暂地。 ● eg. Would you please briefly introduce yourself
● *emoji / m d i/ n.表情符号● creative /k ri t v/ adj.创造性的● creator n 创造者● creation n 创造 ，作品● creativity n 创造性， 创造力
● thought-provoking adj.发人深省的，令人深思的● authority / θ r ti/ n.权威人士；专家authority figure 权威人物authority letter 授权书
知识点
1. harm vt 伤害， 损害
◆Transport has a lot to answer for when it comes to harming the planet.谈到危害地球，交 通运输对很多事都负有责任。（天津5月高考） ◆ What he did did harm his image.他的所作所为的确损害了他的形象。
2. argument n.[C]论点，理由，论据
an argument for/against sth.支持/反对某事的理由或论据
◆Her argument for the trip is that it can broaden our horizons. 她支持这次旅行的理由是 它可以开阔我们的眼界。
◆His argument against the plan sounds reasonable. 他反对那个计划的理由听起来有 道理。
3. replace vt.代替，取代；替换
replace A(with/byB)(用B)替换或取代A
◆Can anything replace a mother's love and care 有什么东西能代替母亲的爱和照 顾吗？
◆The factory wants to replace most of its workers with/by robots.这家工厂想用机器人取 代它大部分的工人。
4. basis n.[C]基础，要素； 其复数形式为bases。
on the basis of.在……的基础上；
◆The book was written on the basis of careful observation and detailed studies.这本书是 在仔细观察与细致研究的基础上撰写的。
◆She was chosen for the job on the basis of her qualifications.她因资历适合而获选担任 这项工作。
5. content (书、讲话、节目等的)主 题，主要内容
◆In order to have much knowledge of Chinese culture,you should be aware of the content of Tang poetry.为了多了解中国文化，你应了解唐诗的内容。 ◆Your tone of voice is as important as the content of what you have to say.你的讲话声调 和你要讲的主要内容同样重要。
6. direct adj 直接的；径直的；直率的
◆These problems are a direct result of poor planning.这些问题是计划不周造成的直接 后果。
◆ He is very direct,so you can always know what his real views are.他很直率，所以你总 能知道他的真实看法。
7. influence vt. 影响，对……起作用；支配，左右
influence sb.to do sth.影响某人做某事
◆Pop music is such an important part of society that it has even influenced our language. 流行音乐是社会如此重要的一部分，以至于它甚至影响了我们的语言。
◆What influenced you to study philosophy 什么影响了你去学习哲学？
8. stay in touch with sb.意为”与某人保持联系”强调状态，相当于be/ keep in touch with sb.
◆Our neighbours are moving away but I hope that we'll still keep/stay/be in touch with each other.我们的邻居们要搬走了，不过我希望我们彼此仍然保持联系。
◆While Wang Ping was in the USA, she stayed in touch with me all the time.王萍在美 国的时候一直与我保持联系。
9. brief adj.简单的，简洁的
◆Please write a brief description of the typical problem.请就这个 典型问题写一个简短的描述。
◆Let's keep this conversation brief; I have a plane to catch.让我们长话短说吧，我还要 赶飞机。
10. immediately (1) adv 立即，马上，即刻
◆I got in touch with him immediately after I received the letter.我收到信后马上和他联 系了。
(2)con.一……就……。用于引导时间状语从句，相当于directly,as soon as,the moment,the minute等。
◆I knew something was wrong immediately I arrived.我一到就知道出事了。