Unit 1 Teenage Life Words And Expressions 课件(共62张PPT)-人教版（2019）必修第一册
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| 名称 | Unit 1 Teenage Life Words And Expressions 课件(共62张PPT)-人教版（2019）必修第一册 |
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| 格式 | pptx | ||
| 文件大小 | 232.3KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2026-01-17 12:10:40 | ||
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文档简介
(共62张PPT)
teenage a.十几岁的; 青少年的
teenager n.青少年, 十几岁的少年
teen(十几)+age(年龄)+er(人)：十几岁的人——青少年
a person aged between 13-19
__________ boys/girls
a magazine aimed at __________
teenage
teenagers
teenager
volunteer n.志愿者, 义工 v.自愿
voluntary a. 自愿的; 自发的
volunteer to do sth 自愿做某事
If you volunteer to do something, you offer to do it without being forced to do it.
Volunteers are always volunteering to help others.
志愿者总是自愿帮助他人。
volunteer
I'm writing to apply to be a volunteer for this year's World Internet Conference.
Volunteers are not paid not because they are worthless but because they are priceless.
She is a voluntary worker in a nursing home.
n. 辩论，争论
v. （尤指正式）讨论，辩论
(a) debate about/on/over sth 关于…的争论
debate with sb about/on/over sth= debate sth with sb 与某人讨论/辩论某事
under/beyond debate 在讨论中/毋庸置辩
debate + （特殊疑问词）/whether to do
wh-从句
debate
讨论…
There is a heated debate about/on/over the question whether the experiment of cloning a human should be allowed.
The truth of this news story is under/beyond debate.
We debated whether to launch live-stream lessons in the summer vacation.
3.“争论”相关词一览
argue v.争论
discuss v.讨论
quarrel v.& n.争吵
dispute v.& n.争论
Debate. v.& n.辩论
prefer
(1). vt. 较喜欢(prefered; preferred)
prefer to do/doing sth.喜欢做某事
prefer A to B… 比起B更喜欢A
Prefer doing A to doing B=prefer to do A rather than do B=would do A rather than do B= would rather do A than do B=与B相比，更喜欢做A
prefer sb to do sth=prefer that sb (should ) do sth宁愿某人做某事
(2) preference n.偏爱;优先权;偏爱的事物
have/show a preference for偏爱
give (a) preference to sb/sth 给…以优惠；优待
in preference to 而不是
单句语法填空
①[2021·新高考卷 I ] We prefer to describe (describe) intelligence as a specific set of skills that can be used for either good or bad purposes.
②The teenagers think their parents don't understand them, so they prefer to talk (talk)to their friends rather than tell their parents.
③[天津卷|] Several reasons may account for my preference for western painting.
“喜欢”家族
related words:
like v.喜欢 dislike v.不喜欢
prefer v.较喜欢 preference n.喜爱
fond adj.喜爱的 enjoy v.喜爱，享受
favorite v.喜爱,享受
related phrases:
be fond of ...喜欢 be keen on...喜爱,渴望
go for 喜爱，拥护 have a preference for ...喜爱
enjoy doing…乐于做某事. take delight in...以…为乐
be attracted to喜爱，被吸引到 be attached to...依恋
content
(1) adj.满足的;满意的
be content to do sth.乐于做某事
be content with 对……满足/满意
(2) n.内容;[p1.]目录;(书、讲话、节目等的)主题;含量; [U]满足，满意
with content 满足地，满意地
to one’s heart’s content 尽情地，心满意足
(3) vt.使满足
content oneself with 满足于
联想:“对……满意”的常用短语:
be pleased with
be satisfied with
be happy with
I am content with the text content.
suitable
adj.合适的,适宜的
be suitable for sb/sth适合某人/某事
be suitable to do sth 适合做某事
It is suitable for sb to do sth某人适合做某事
我坚信我适合做学生会主席。
I firmly believe that I am suitable for the job/position/role as president of the Student Union.
No dish suits all tastes.
That suits me fine.
众口难调。
正合我意。
challenge
(1).n. [U]挑战，艰巨任务；挑战书；质疑
Meet/face the challenge (of…)迎接/面对(…的)挑战
A challenge to … 对…的质疑 (to为介词)
(2).vt.向…挑战；对…怀疑
challenge sb to sth 在某方面向某人挑战
challenge sb to do sth 挑战某人做某事
v. 使迷惑; 使混乱; 混淆
confusing adj.
confused adj.
confuse A B 把A与B弄混淆
be confused 对……感到困惑
令人困惑的
con-(共同)+fuse(融合)：都融合在了一起—混淆，使迷惑
感到困惑的
at/about
with
confuse
confusion n.
To avoid ________, the teams wore different colours. But sometimes I was still ________ about which team scored the goal.
confusion
confused
混乱;混淆
graduate
vi 毕业，获得学位（尤指学士学位）大学毕业
graduate from…毕业于…（学校）
graduate in…毕业于…（专业）
n[c].毕业生
graduation n[u]毕业，毕业典礼
recommend
vt.建议;推荐;介绍
(1)recommend doing sth 建议做某事
recommend sb to do sth. 建议某人做某事
recommend that sb. (should )do sth. 建议某人做某事
(2)recomend sth/sb to sb向某人推荐某物/某人
recommend sb as/for… 推荐某人当……
(3)recommendation. 推荐;介绍信
on the recommendation of sb.在某人的推荐下
.“建议”家族
recommend v.建议，推荐 recommendation n.建议，推荐
advise v.建议 advice n.建议
suggest v.建议 suggestion n.建议
propose v. 提议，建议 proposal n.提议，建议
以下动词后的宾语从句常常使用虚拟语气，即从句谓语动词用“(should+)动词原形
一坚持：insist
二命令：order; command
三建议：suggest; advise; recommend
四要求：request; require; ask; demand
外加一个敦促：urge
Eye doctors recommend that a child's first eye exam (shonld) be the age of six months old.
sign
1.vt&vi签名，签字，和…签约，示意，打手势
sign (sb) in/out(替某人）签到/签退
sign up (for sth)报名（参加课程）
sign (to sb) to do sth示意（某人）做某事
2.n迹象，征兆，招牌，标志，手势，符号
a sign/signs of (doing) sth（做）某事的迹象
n.&v.
in advance提前
advanced adj.高级的,高等的,先进的
Confidence and ability usually _________ side by side.
信心与能力通常是齐头并进的。
Those who are content with their present situations will surely make no more _____________ in life.
满足于现状者止步于当下。
前进, 发展
advance
advances
advance
vi. & vt. 停止;戒掉;离开(职位/学校等)
quit doing sth 停止做某事
This product can help heavy smokers quit smoking.
quit as …辞去…职位
quit one’s job离职
quit office离职
quit school 退学
quit
get used to doing sth/sth习惯于，适应
used to do sth过去常常做某事
be used to do sth被用来做某事
responsible
adj.负责的;有责任的
(1)be responsible for sth.
(2)responsibility n. 责任;义务
take responsibility for sth. 对……负责
a sense of responsibility 责任感
It is oen's responsibility to do sth.做某事是某人的职责
solution n.解决办法
a solution to… …的解决办法, …的答案/谜底
solve vt.解决;解答
solve a problem 解决问题
solution
I have tried very hard to find a ________to the problem, but in vain.(2010江苏)
The committee is discussing the problem right now. It will hopefully _________ by the end of next week.
solution
be solved
schedule
(1) n.工作计划;日程安排
ahead of schedule 提前
on schedule按时，按时间表
behind schedule 落后于预定计划
a tight schedule日程紧
(2) vt.安排;预定
be scheduled for 定在
be scheduled to do sth.计划做某事
as scheduled 如期；按照预定时间
expert
n.专家，行家
An expert at/in/on (doing) sth 是（做）某事的专家/行家
adj.专家的，内行的，熟练的
be expert in/at/on doing… 在…方面内行，擅长做某事
He is expert ________playing the piano
Every _________ once was a beginner.
at/in
expert
behavior
n.举止，行为，表现方式，活动方式
good/bad behavior良好/恶劣的行为
behave vi表现 vi&vt表现得体，有礼貌
behave well/badly 表现的好/不好
behave oneself 守规矩，表现得体
attract
vt.吸引，引起…的注意（或兴趣）；使喜爱，招引
attract one’s attention 吸引某人的注意力
attract sb to sb/sth 吸引某人关注某人/某事
be attracted by… 被…吸引
be attracted to… 喜爱…
Be attractive to… 对…有吸引力
focus
(1) vi.& ot.集中(精力、注意力等)
focus on...集中于
focus/attract one's attention/eyes/energy on...集中注意力/目光/精力于……
(2) n.中心;重点;焦点
the focus of attention/concern注意力/关注的焦点
bring …into focus使…成为焦点
in focus 焦点对准的；清晰的
out of focus焦点未对准的，不清晰的
重点短语
记全记牢
prefer...to… 喜欢……多于…
clean up打扫(或清除)干净
be suitable for 对……适合的
sign up (for sth.)报名(参加课程)
be responsible for对……负责
be attracted to喜爱
focus on集中,特别关注
be addicted to ; 对……很入迷
fall behind落后
get used to习惯于;适应于
be well prepared for做好准备
have fin玩得开心
a.上瘾的,成瘾的,入迷的
be addicted to （doing）… 对…上瘾，沉溺于
addict n.对......入迷的人，上瘾者
addictive adj.使人上瘾的，使人入迷的
addicted
He's only 24 years old and a drug addict.
She is a TV addict and watches as much as she can.
He was addicted to computer games/playing computer games.
联想:
“be+动词-ed +to”短语荟萃
be attracted to 喜爱
be devoted to 致力于，专心于
be opposed to 反对
be accustomed to 习惯于
be addicted to 对……很入迷.
be linked /connected/related to与……连接,有联系
be exposed to 暴露在，接触
仿写用活句式--造佳句·表达高
句式背诵句型1
so that在句中引导目的状语从句
I'll find a way to improve on my own so that I can make the team next year.我会找到方法来自我提升以便于明年加入足球队。
make在此处意为win a place in a team，即“成为……的一员;加入;谋得(职务)”。例如: She finally shattered the glass ceiling and made the president of the company.她最后终于打破了(职业的)玻璃天花板，成了公司总裁。
在这样的结构中，make的意思是“设法做成了某事”，一般用于主动语态。例如:
make it 获得成功
make 110 kilometres per hour 速度达到110千米/小时
make the mountain top by midday 中午前爬到山顶
make the party 参加聚会
make the chair of the Student Union 当上学生会主席
make the front page of the local newspapers (某条新闻)登上了当地各家报纸的头版
句型2 It is+形容词+to do sth.
I'm a bit worried about keeping up with the other students, in advanced course, and it'll be quite difficult to get used to all the homework.在高级课程中要跟上其他学生让我有点儿担心，而且惯学所有的作业也有很大的困难。
句型3 make it+形容词+to do sth.
But spending too much time online is unhealthy and makes it very difficult to focus on other things in life.但花费过多的时间在网络上是不健康的，并且也使得集精力在生活的其他事情上变得十分困难。
句型公式:
make it+adj/n(+for sb)+to do sth.
(教材原句)But spending too much time online is unhealivery difficult to focus on other things in life.
但是在网上花太多时间是不健康的，而且让人们很难集中精活中的其他事情上。
make +it+形容词/名词(+for sb.)+ to do
make +it+形容词/名词+that从句
make + it + no good/no use/no value... + doing sth.
I feel it no use taking online courses without self-discipline.[2020-北京卷，书面表达]我认为没有自律，上网络课程是没有用的。常用于这种句型的动词还有:think,consider,find,feel等
It is/was +adj.+ for sb.to do sth.对于某人而言做某事是…的
(教材原句)It is not unusual for teenagers of your generation to be attracted to computer games and the online world.你们这一代的青少年被电脑游戏和所吸引，这是很平常的。
(1)句型“It is+adj.+to do不定式”，其中it是形式主语，不定式短语是真正的主语
(2)在“It is + adj.+ for sb.to do sth.”句式中作表语的形容词说明不定式行为的性质和特点。常见的形容词easy ,important, difficult, possible, necessary等
(3)在“It is +adj+of sb to do sth”句式中，形容词用于说明不定式的人的品行、性格、性质等。常见的形容词有kind, nice, good, stupid, silly, careful等
It's really generous of you to lend me a hand when trouble.
你在困难时刻伸出援助之手，你太慷慨了。
focus在此处用作不及物动词，一般与介词on搭配，意为“集中注意力于……”。
例如: We should focus on what really matters, not the minor details.我们应该聚焦于真正重要的事，而不是一些细枝末节。
focus还可用作及物动词,意为“使(睛、照相机)调节焦距;把……集中在”。
例如: I focused the camera on the teenagers’ smiling faces.我把照相机的镜头对准了青少年们的笑脸。
It is hard for children to focus their minds on one thing for a long time.小孩子很难把注意力长时间集中在一件事情上。
focus 用作名词时，意为“焦点;中心”。例如:She tried her best to be the focus of attention at the party.她努力使自己成了聚会的中心。
Things are looking up for the face-down generation.对于低头族来说，情况正越来越好。
“Things are looking up.”是一句常用的英语表达，意为“The conditions are getting better." 即“情况正在好转”例如: The husband finally found a job last month, so things are looking up for the family.丈夫最终在上个月找到了工作，情况正在好转。
6. Chances are that you will do GR8 (great) and LOL (laugh out loud). 很有可能你会做得很棒并会开怀大笑。"Chances are that ..”是一个常用句型，相当于“It is likely that .….”，意为“很有可能……”。
例如:If you smile, chances are that those around you will, too. 如果你微笑了，你周围的人也会微笑。 Chances are that they have left for Paris without telling us.很可能他们没告诉我们就去了巴黎。
GR8和LOL都是网络用语。GR8中的8按eight发音，合在一起就是great，又如:b4(before )。
LOL由 laugh out loud的首字母缩略而来。类似的例子还有:
ASAP as soon as possible
FYI for your information
cu see you
IM(H)O in my (humble) opinion
btw by the way
F2F face to face
CUL8R see you later
pls Please
teenage a.十几岁的; 青少年的
teenager n.青少年, 十几岁的少年
teen(十几)+age(年龄)+er(人)：十几岁的人——青少年
a person aged between 13-19
__________ boys/girls
a magazine aimed at __________
teenage
teenagers
teenager
volunteer n.志愿者, 义工 v.自愿
voluntary a. 自愿的; 自发的
volunteer to do sth 自愿做某事
If you volunteer to do something, you offer to do it without being forced to do it.
Volunteers are always volunteering to help others.
志愿者总是自愿帮助他人。
volunteer
I'm writing to apply to be a volunteer for this year's World Internet Conference.
Volunteers are not paid not because they are worthless but because they are priceless.
She is a voluntary worker in a nursing home.
n. 辩论，争论
v. （尤指正式）讨论，辩论
(a) debate about/on/over sth 关于…的争论
debate with sb about/on/over sth= debate sth with sb 与某人讨论/辩论某事
under/beyond debate 在讨论中/毋庸置辩
debate + （特殊疑问词）/whether to do
wh-从句
debate
讨论…
There is a heated debate about/on/over the question whether the experiment of cloning a human should be allowed.
The truth of this news story is under/beyond debate.
We debated whether to launch live-stream lessons in the summer vacation.
3.“争论”相关词一览
argue v.争论
discuss v.讨论
quarrel v.& n.争吵
dispute v.& n.争论
Debate. v.& n.辩论
prefer
(1). vt. 较喜欢(prefered; preferred)
prefer to do/doing sth.喜欢做某事
prefer A to B… 比起B更喜欢A
Prefer doing A to doing B=prefer to do A rather than do B=would do A rather than do B= would rather do A than do B=与B相比，更喜欢做A
prefer sb to do sth=prefer that sb (should ) do sth宁愿某人做某事
(2) preference n.偏爱;优先权;偏爱的事物
have/show a preference for偏爱
give (a) preference to sb/sth 给…以优惠；优待
in preference to 而不是
单句语法填空
①[2021·新高考卷 I ] We prefer to describe (describe) intelligence as a specific set of skills that can be used for either good or bad purposes.
②The teenagers think their parents don't understand them, so they prefer to talk (talk)to their friends rather than tell their parents.
③[天津卷|] Several reasons may account for my preference for western painting.
“喜欢”家族
related words:
like v.喜欢 dislike v.不喜欢
prefer v.较喜欢 preference n.喜爱
fond adj.喜爱的 enjoy v.喜爱，享受
favorite v.喜爱,享受
related phrases:
be fond of ...喜欢 be keen on...喜爱,渴望
go for 喜爱，拥护 have a preference for ...喜爱
enjoy doing…乐于做某事. take delight in...以…为乐
be attracted to喜爱，被吸引到 be attached to...依恋
content
(1) adj.满足的;满意的
be content to do sth.乐于做某事
be content with 对……满足/满意
(2) n.内容;[p1.]目录;(书、讲话、节目等的)主题;含量; [U]满足，满意
with content 满足地，满意地
to one’s heart’s content 尽情地，心满意足
(3) vt.使满足
content oneself with 满足于
联想:“对……满意”的常用短语:
be pleased with
be satisfied with
be happy with
I am content with the text content.
suitable
adj.合适的,适宜的
be suitable for sb/sth适合某人/某事
be suitable to do sth 适合做某事
It is suitable for sb to do sth某人适合做某事
我坚信我适合做学生会主席。
I firmly believe that I am suitable for the job/position/role as president of the Student Union.
No dish suits all tastes.
That suits me fine.
众口难调。
正合我意。
challenge
(1).n. [U]挑战，艰巨任务；挑战书；质疑
Meet/face the challenge (of…)迎接/面对(…的)挑战
A challenge to … 对…的质疑 (to为介词)
(2).vt.向…挑战；对…怀疑
challenge sb to sth 在某方面向某人挑战
challenge sb to do sth 挑战某人做某事
v. 使迷惑; 使混乱; 混淆
confusing adj.
confused adj.
confuse A B 把A与B弄混淆
be confused 对……感到困惑
令人困惑的
con-(共同)+fuse(融合)：都融合在了一起—混淆，使迷惑
感到困惑的
at/about
with
confuse
confusion n.
To avoid ________, the teams wore different colours. But sometimes I was still ________ about which team scored the goal.
confusion
confused
混乱;混淆
graduate
vi 毕业，获得学位（尤指学士学位）大学毕业
graduate from…毕业于…（学校）
graduate in…毕业于…（专业）
n[c].毕业生
graduation n[u]毕业，毕业典礼
recommend
vt.建议;推荐;介绍
(1)recommend doing sth 建议做某事
recommend sb to do sth. 建议某人做某事
recommend that sb. (should )do sth. 建议某人做某事
(2)recomend sth/sb to sb向某人推荐某物/某人
recommend sb as/for… 推荐某人当……
(3)recommendation. 推荐;介绍信
on the recommendation of sb.在某人的推荐下
.“建议”家族
recommend v.建议，推荐 recommendation n.建议，推荐
advise v.建议 advice n.建议
suggest v.建议 suggestion n.建议
propose v. 提议，建议 proposal n.提议，建议
以下动词后的宾语从句常常使用虚拟语气，即从句谓语动词用“(should+)动词原形
一坚持：insist
二命令：order; command
三建议：suggest; advise; recommend
四要求：request; require; ask; demand
外加一个敦促：urge
Eye doctors recommend that a child's first eye exam (shonld) be the age of six months old.
sign
1.vt&vi签名，签字，和…签约，示意，打手势
sign (sb) in/out(替某人）签到/签退
sign up (for sth)报名（参加课程）
sign (to sb) to do sth示意（某人）做某事
2.n迹象，征兆，招牌，标志，手势，符号
a sign/signs of (doing) sth（做）某事的迹象
n.&v.
in advance提前
advanced adj.高级的,高等的,先进的
Confidence and ability usually _________ side by side.
信心与能力通常是齐头并进的。
Those who are content with their present situations will surely make no more _____________ in life.
满足于现状者止步于当下。
前进, 发展
advance
advances
advance
vi. & vt. 停止;戒掉;离开(职位/学校等)
quit doing sth 停止做某事
This product can help heavy smokers quit smoking.
quit as …辞去…职位
quit one’s job离职
quit office离职
quit school 退学
quit
get used to doing sth/sth习惯于，适应
used to do sth过去常常做某事
be used to do sth被用来做某事
responsible
adj.负责的;有责任的
(1)be responsible for sth.
(2)responsibility n. 责任;义务
take responsibility for sth. 对……负责
a sense of responsibility 责任感
It is oen's responsibility to do sth.做某事是某人的职责
solution n.解决办法
a solution to… …的解决办法, …的答案/谜底
solve vt.解决;解答
solve a problem 解决问题
solution
I have tried very hard to find a ________to the problem, but in vain.(2010江苏)
The committee is discussing the problem right now. It will hopefully _________ by the end of next week.
solution
be solved
schedule
(1) n.工作计划;日程安排
ahead of schedule 提前
on schedule按时，按时间表
behind schedule 落后于预定计划
a tight schedule日程紧
(2) vt.安排;预定
be scheduled for 定在
be scheduled to do sth.计划做某事
as scheduled 如期；按照预定时间
expert
n.专家，行家
An expert at/in/on (doing) sth 是（做）某事的专家/行家
adj.专家的，内行的，熟练的
be expert in/at/on doing… 在…方面内行，擅长做某事
He is expert ________playing the piano
Every _________ once was a beginner.
at/in
expert
behavior
n.举止，行为，表现方式，活动方式
good/bad behavior良好/恶劣的行为
behave vi表现 vi&vt表现得体，有礼貌
behave well/badly 表现的好/不好
behave oneself 守规矩，表现得体
attract
vt.吸引，引起…的注意（或兴趣）；使喜爱，招引
attract one’s attention 吸引某人的注意力
attract sb to sb/sth 吸引某人关注某人/某事
be attracted by… 被…吸引
be attracted to… 喜爱…
Be attractive to… 对…有吸引力
focus
(1) vi.& ot.集中(精力、注意力等)
focus on...集中于
focus/attract one's attention/eyes/energy on...集中注意力/目光/精力于……
(2) n.中心;重点;焦点
the focus of attention/concern注意力/关注的焦点
bring …into focus使…成为焦点
in focus 焦点对准的；清晰的
out of focus焦点未对准的，不清晰的
重点短语
记全记牢
prefer...to… 喜欢……多于…
clean up打扫(或清除)干净
be suitable for 对……适合的
sign up (for sth.)报名(参加课程)
be responsible for对……负责
be attracted to喜爱
focus on集中,特别关注
be addicted to ; 对……很入迷
fall behind落后
get used to习惯于;适应于
be well prepared for做好准备
have fin玩得开心
a.上瘾的,成瘾的,入迷的
be addicted to （doing）… 对…上瘾，沉溺于
addict n.对......入迷的人，上瘾者
addictive adj.使人上瘾的，使人入迷的
addicted
He's only 24 years old and a drug addict.
She is a TV addict and watches as much as she can.
He was addicted to computer games/playing computer games.
联想:
“be+动词-ed +to”短语荟萃
be attracted to 喜爱
be devoted to 致力于，专心于
be opposed to 反对
be accustomed to 习惯于
be addicted to 对……很入迷.
be linked /connected/related to与……连接,有联系
be exposed to 暴露在，接触
仿写用活句式--造佳句·表达高
句式背诵句型1
so that在句中引导目的状语从句
I'll find a way to improve on my own so that I can make the team next year.我会找到方法来自我提升以便于明年加入足球队。
make在此处意为win a place in a team，即“成为……的一员;加入;谋得(职务)”。例如: She finally shattered the glass ceiling and made the president of the company.她最后终于打破了(职业的)玻璃天花板，成了公司总裁。
在这样的结构中，make的意思是“设法做成了某事”，一般用于主动语态。例如:
make it 获得成功
make 110 kilometres per hour 速度达到110千米/小时
make the mountain top by midday 中午前爬到山顶
make the party 参加聚会
make the chair of the Student Union 当上学生会主席
make the front page of the local newspapers (某条新闻)登上了当地各家报纸的头版
句型2 It is+形容词+to do sth.
I'm a bit worried about keeping up with the other students, in advanced course, and it'll be quite difficult to get used to all the homework.在高级课程中要跟上其他学生让我有点儿担心，而且惯学所有的作业也有很大的困难。
句型3 make it+形容词+to do sth.
But spending too much time online is unhealthy and makes it very difficult to focus on other things in life.但花费过多的时间在网络上是不健康的，并且也使得集精力在生活的其他事情上变得十分困难。
句型公式:
make it+adj/n(+for sb)+to do sth.
(教材原句)But spending too much time online is unhealivery difficult to focus on other things in life.
但是在网上花太多时间是不健康的，而且让人们很难集中精活中的其他事情上。
make +it+形容词/名词(+for sb.)+ to do
make +it+形容词/名词+that从句
make + it + no good/no use/no value... + doing sth.
I feel it no use taking online courses without self-discipline.[2020-北京卷，书面表达]我认为没有自律，上网络课程是没有用的。常用于这种句型的动词还有:think,consider,find,feel等
It is/was +adj.+ for sb.to do sth.对于某人而言做某事是…的
(教材原句)It is not unusual for teenagers of your generation to be attracted to computer games and the online world.你们这一代的青少年被电脑游戏和所吸引，这是很平常的。
(1)句型“It is+adj.+to do不定式”，其中it是形式主语，不定式短语是真正的主语
(2)在“It is + adj.+ for sb.to do sth.”句式中作表语的形容词说明不定式行为的性质和特点。常见的形容词easy ,important, difficult, possible, necessary等
(3)在“It is +adj+of sb to do sth”句式中，形容词用于说明不定式的人的品行、性格、性质等。常见的形容词有kind, nice, good, stupid, silly, careful等
It's really generous of you to lend me a hand when trouble.
你在困难时刻伸出援助之手，你太慷慨了。
focus在此处用作不及物动词，一般与介词on搭配，意为“集中注意力于……”。
例如: We should focus on what really matters, not the minor details.我们应该聚焦于真正重要的事，而不是一些细枝末节。
focus还可用作及物动词,意为“使(睛、照相机)调节焦距;把……集中在”。
例如: I focused the camera on the teenagers’ smiling faces.我把照相机的镜头对准了青少年们的笑脸。
It is hard for children to focus their minds on one thing for a long time.小孩子很难把注意力长时间集中在一件事情上。
focus 用作名词时，意为“焦点;中心”。例如:She tried her best to be the focus of attention at the party.她努力使自己成了聚会的中心。
Things are looking up for the face-down generation.对于低头族来说，情况正越来越好。
“Things are looking up.”是一句常用的英语表达，意为“The conditions are getting better." 即“情况正在好转”例如: The husband finally found a job last month, so things are looking up for the family.丈夫最终在上个月找到了工作，情况正在好转。
6. Chances are that you will do GR8 (great) and LOL (laugh out loud). 很有可能你会做得很棒并会开怀大笑。"Chances are that ..”是一个常用句型，相当于“It is likely that .….”，意为“很有可能……”。
例如:If you smile, chances are that those around you will, too. 如果你微笑了，你周围的人也会微笑。 Chances are that they have left for Paris without telling us.很可能他们没告诉我们就去了巴黎。
GR8和LOL都是网络用语。GR8中的8按eight发音，合在一起就是great，又如:b4(before )。
LOL由 laugh out loud的首字母缩略而来。类似的例子还有:
ASAP as soon as possible
FYI for your information
cu see you
IM(H)O in my (humble) opinion
btw by the way
F2F face to face
CUL8R see you later
pls Please