北师大版（2019）必修第二册Unit 4 Information technology Lesson 3 Internet and Friendships单词课件(共43张PPT)

(共43张PPT)
Information Technology
Unit 4
Lesson 3
harm
/hɑ m/
vt.&n. 伤害，损害
e.g. Smoking can harm your health.
1. harm v.伤害　n.损害;伤害
【教材原句】Do you think the Internet helps or harms friendships
你认为网络是促进友谊还是伤害友谊
【归纳拓展】
(1)do harm to sb/sth=do sb/sth harm对某人/物有害
do no harm to sb/sth 对某人无害
(2)harmful adj.有害的 be harmful to 对……有害
harmless adj.无害的 be harmless to 对……无害
It is evident that smoking is harmful to health.
单句填空
(1)Reading in bed will often do harm 　　　　　our eyes.
(2)Air pollution is 　　　　　(harm) to our health.
同义句转换/翻译句子·背诵
(3)Staying up constantly can harm your health.
→Staying up constantly can 　　　　　　　　　　　　　your health.
(4)I think this plan will do more harm than good.
to
harmful
do harm to/be harmful to
我认为这个计划弊大于利。
Words and Expressions
argument
/ ɑ ɡjum nt/
n. 论点；论据
e.g. His argument was that public spending must be reduced.
2. argument n.论点;论据;争吵,争辩
【教材原句】Identify one sentence for each argument that states this general idea.
为每一个论点确定一个陈述这一基本观点的句子。
【归纳拓展】
(1)have an argument with sb和某人争吵
heated argument激烈的争论
win/lose an argument说得过/说不过
(2)argue v.争论;争吵;争辩
argue with sb about/over sth与某人就某事进行争论
argue for/against sth支持/反对某事
单句填空
(1)His 　　　　　(argue) was that public spending must be reduced.
(2)He argued 　　　　　smoking because he thought that it was
　　　　　　(harm) to health.
(3)They were having an argument 　　　　　the waiter about the bill.
完成句子·背诵
(4)这是反对吸烟的有利证据。
This is 　　　　 　　　　　 　　　　　　against smoking.
(5)经过一番激烈的争论,最终做出了决定。
After some　　　　　 　　　　　a decision was finally made.
argument
against
harmful　
with
a powerful argument　
heated arguments
Words and Expressions
replace
/r ple s/
vt. 取代；接替
e.g. The new design will eventually replace all existing models.
3. replace v.取代;接替;放回原处
【教材原句】Firstly,talking online is no replacement for face-to-face contact — images really cannot replace a real-life smile or hug.
首先,网上聊天不能取代面对面交流;图像真的无法取代现实生活中的微笑或拥抱。
【归纳拓展】
(1)replace...with/by...用……替换……
replace sb/sth=take the place of取代……
be replaced with/by被……取代
(2)replacement n.替换;替代品;替代人/替补
hug
/h ɡ/
n.&vt. 拥抱；紧抱
e.g. They hugged each other.
free hugs免费拥抱（抱抱团）
hug sb =give sb a hug拥抱某人
Words and Expressions
concentrate / k nsntre t/
vt. 专注，专心；
集中注意力
e.g. I can't concentrate with all that noise going on.
4. concentrate v.专注,专心;集中注意力
【教材原句】According to a parenting expert,Denise Daniels, communicating through a screen makes it more difficult for children to concentrate or show kindness to others.
据育儿专家丹尼斯·丹尼尔斯说,通过屏幕交流会使儿童更难集中注意力或对他人表示善意。
【归纳拓展】
(1)concentrate on集中精力于
concentrate one’s attention/efforts/thoughts on doing
将某人的注意力/努力/思绪集中于
with attention concentrated on
(2)concentration n.专心;专注;注意力
。
单句填空
(1)You need a lot of 　　　　　　　　(concentrate) to solve the problem.
(2)He sat there,with his attention 　　　　　　　　(concentrate) on the blackboard.
(3)I decided to concentrate all my efforts on 　　　　　(find) somewhere to live.
(4)You should concentrate 　　　　　　passing these exams.Then you can have a good rest.
(5)The silence can increase your ability 　　　　　　　　　(concentrate).
concentration
concentrated
finding
on
to concentrate　
Words and Expressions
concerned
/k n s nd/
adj. 关切的，关心的
e.g. Concerned parents held a meeting.
be concerned with 关心
be concerned about
Words and Expressions
rewarding
/r w d /
adj. 有益的；
有意义的
e.g. It is a rewarding experience.
5.rewarding adj.有益的;有意义的
【教材原句】...though we know that the number of “likes” or followers cannot compare to having long-term and rewarding friendships.
……尽管我们知道“赞”或关注者的数量无法与拥有长期而有益的友谊相比。
【归纳拓展】
reward vt.& n.奖励;奖赏
reward sb with sth for (doing) sth因为(做)某事用某物奖励某人
in reward for/as a reward for作为对……的回报
单句填空
(1)We offer him a challenging and 　　　　　(reward) career.
(2)The students have been working hard on their lessons and their efforts will
　　　　　　　　　(reward) with success in the end.
(3)The boss decided to reward him 　　　　　　　his positive attitude towards work.
(4)They rewarded the boy 　　　　a cake 　　　　finding the lost dog.
(5)He gave the children some chocolate 　　　　　　a reward for their good behaviour.
rewarding
be rewarded
for
with for
as
Words and Expressions
addition
/ d n/
n. 增添；添加
e.g. Pasta's basic ingredients are flour and water, sometimes with the addition of eggs or oil.
in addition 除此之外
6. addition n. 增添; 添加
*In addition, a lot of the content posted on social media is shallow or trivial.
此外, 在社交媒体上发布的很多内容都是浅薄或琐碎的。
*Little changes add up to a great change!
小小的变化积累成一个大的变化!
*I’d like to add that we are pleased with the result.
我想再补充一点, 我们对这一结果很满意。
【词块积累】
(1)in addition/what’s more /moreover/besides/apart from/ 　　　 除此之外，另外
(2)add v. 加; 增加; 补充
add. . . to. . . 把……添加到……
add to 增加; 增添
add up to 加起来达到
(3)additional adj. 额外的, 附加的
additionally adv.额外地，附加地
【要点微练】
(1)语法填空
①Would you like to add more sugar __ your coffee
②Add ___ your score and see how many points you get.
③In ________ (add) to an album, I gave him a pen and a pencil.
④We are willing to pay an _________ (add) fee for immediate delivery.
(2) __________, visiting the exhibition will ______your understanding of
traditional Chinese culture.
此外, 参观展览将增加你对中国传统文化的理解。
to
up
addition
additional
In addition
add to
Words and Expressions
content
/ k ntent/
n. 内容
adj.满足的
e.g. She hadn't read the letter and so was unaware of its contents.
7. content n. 内容, 目录; 满足; 容量　
adj. 满意的
*She hadn’t read the letter and so was unaware of its contents.
她没有看过那封信, 所以对其内容一无所知。
*That famous actor seemed content to play a minor part in the play.
那位著名的演员似乎很满意在剧中演一个不重要的角色。
【词块积累】
(1)be/feel content with. . . 　 对……满足/满意
be content to do sth. 乐于做某事
(2)content oneself with. . . 满足于……
　　content 表示(书、讲话、节目等的)主题、主要内容时, 用单数形式。表示目录contents、所容纳之物或所含之物时, 用复数形式。
【巧学助记】
【要点微练】
(1)语法填空
①My parents are content ______(live) in the country, where the air is fresh and
clean.
②The ________ (content) of the letter are still secret until today.
③—Do you want anything else for your birthday
—Nothing else. I’m very content ____ what you’ve bought for me.
to live
contents
with
Words and Expressions
shallow
/ l /
adj. 肤浅的，浅薄的
e.g. I think he is shallow, vain and untrustworthy.
shadow 影子
shade 背阴处，阴凉处
Words and Expressions
trivial
/ tr vi l/
adj. 没有什么价值的；微不足道的
e.g. I know it sounds trivial, but I'm worried about it.
Words and Expressions
basis
/ be s s/
n. 基础；基点
e.g. The basis of a good marriage is trust.
1.
1. on the basis of 根据；基于…
2.basis for 以…作基础；为…打基础
basis n. 基础；基点
base n.基地，根据地
v.根据
be based on以……为基础
basic adj. 基础的
basically adv.基础地
Words and Expressions
percent
/p s nt/
n. 百分比；百分数
e.g. Last year, economic growth tailed off to below four percent.
percent 单复同形
100 percent
Words and Expressions
opinion
/ p nj n/
n. 意见；看法；主张
e.g. I've recently changed my opinion of her.
in my opinion在我看来
from my point of view 在我看来
Words and Expressions
focus
/ f k s/
vi. 给予某物关注
n. 焦点
e.g. YThe discussion focused on three main problems.
focus on 关注
9. focus vi. 给予某物关注　
n. 焦点
*(2021·新高考Ⅰ卷)Emotional intelligence, with its focus on both head and heart, may serve to point us in the right direction.
专注于头脑和心灵的情商可以为我们指明正确的方向。
*You should focus your attention on your work.
你应该聚精会神地工作。
*The coffee shop is the focus of social life in French.
在法国, 咖啡馆是社交生活的中心。
【要点微练】
(1)语法填空
①(2020·新高考全国Ⅰ卷)When you stand up to give a speech, you focus ___ the
“public” at the expense of the “speaking”.
(2)You’d better _________________________your study.
你最好把你的注意力放在学习上。
(3)From then on, I began to _______________________in my study.
从那时起, 我开始专注于我学习中的每一件小事。
on
focus your attention on/upon
focus on every small thing
Words and Expressions
maintain
/me n te n/
vt. 保持；维持=keep
e.g. The two countries have always maintained close relations.
Words and Expressions
smartphone
/ smɑ tf n/
e.g. She also has an iPad and a smartphone.
n. 智能手机=cellphone
Words and Expressions
tablet
/ t bl t/
n. 平板电脑；药片；碑，牌
e.g. Take two tablets with water before meals.
Words and Expressions
limiting
/ l m t /
adj. 局限的，限制性的
e.g. Lack of cash is a limiting factor.
limit n. 限度，限制；极限，限量；
v. 限制，限定；制约
Words and Expressions
brief
/bri f/
adj. 简洁的，简明的
e.g. Please be brief.
news briefing 新闻发布会
briefing n. 情况介绍会；简报；详细指示，详情介绍
briefly adv. 简短地，简要地；短暂地，暂时地
briefly speaking =to be frank
brief introduction简要介绍
Words and Expressions
emoji
/ m d i/
n. 表情符号
e.g. So most emoji available today are from the original ones created in Japan.
Words and Expressions
creative
/kri e t v/
adj. 创造性的
e.g. Do you have any ideas You're the creative one.
create v.创造
creativity n.创造力
Words and Expressions
thought-provoking
/ θ t pr v k /
adj. 发人深省的，
令人深思的
e.g. This is an entertaining yet thought-provoking film.
provoke
v. 激起，引起；激励，刺激；挑衅，激怒
Words and Expressions
authority
/ θ r ti/
n. 权威人士；专家
e.g. She now has authority over the people who used to be her bosses.
local authority
当局，当地政府