Unit 5 Working the Land词汇 课件(共40张PPT)-人教版(2019)选择性必修第一册

(共40张PPT)
Words and Expressions
人教版2019必修第一册
Unit 5 Working the Land
devote [d v t]: vt. 把…献(给); 把…专用于; 专心于
devote...to...把…奉献给…
devote one’s life / time / energy to 将生命/时间/精力...
devote oneself to (doing) sth. 致力于;献身于;专心于
be devoted to=devote oneself to 致力于;献身于;专心于
devoted adj. 忠诚的，投入的；深爱的
devotion n. 投入
专注于/ 致力于做某事
be lost in be absorbed in
be engaged in be involved in
focus on concentrate on
高频短语
知识拓展
（1）Her story is a remarkable example of how hard work and _________（devote） can lead to sporting excellence.
devotion
（2）Volunteers came with carloads of donated clothing and toys. Neighbors devoted their spare time to ______ (help) others rebuild.
helping
（3）As the scientist is devoted to his research， he seldom goes to the cinema with his family.
→______________________，the scientist seldom goes to the cinema with his family.（形容词短语作状语）
→______________________________， the scientist seldom goes to the cinema with his family.（分词短语作状语）［应用文写作之人物描写］
Devoted to his research
Devoting himself to his research
convince [k n v ns]: vt. 使相信; 使确信; 说服
高频短语
convinced adj. 相信的
convincing adj. 令人信服的
convince sb. to do sth. 说服某人做
I've been trying to convince him to see a doctor. 我一直劝他去看病。
convince sb. of sth. 使某人相信
You'll need to convince them of your enthusiasm for the job.你要使他们相信你殷切希望得到这份工作。
convince sb. that ... 使某人相信……
be convinced of/that ... 确信……
I'd convinced myself (that) I was right.
我确信自己是正确的。
（1）Researchers have found clear and ___________（convince） evidence that happiness is the key to better health and longer lives.［应用文写作之演讲稿］
convincing
（2）She tried hard to convince her parents ______ （let） her travel abroad alone， but they were still concerned about her safety.
to let
（3）She was convinced of her own abilities and participated in the competition with a positive attitude.
→______________________________________________________， she participated in the competition with a positive attitude. （形容词短语作状语）
Convinced of her；Devoting himself to his research abilities
assumption [ s mp n]: n. 假定; (责任的)承担; (权利的)获得
高频短语
assume v. 假定; 认为; 设想; 承担; 假装
assuming conj. 假如 (引导条件状语从句)
make an assumption 做出假设
on the assumption (that...) 假设;假定...
We are working on the assumption that everyone invited will turn up.我们假定了每一个人都会应邀出席并正就此作出安排。
It is generally assumed that... 人们普遍认为…
It is generally assumed that stress is caused by too much work.普遍认为，紧张是工作过重所致。
assume sb./sth. to be 假定/假设某人/某事为
I had assumed him to be a Chinese. 我本以为他是中国人。
（1）We make an ___________（assume） that everyone invited will turn up at the party and is making preparations.
assumption
（2）假设天气保持稳定，我们打算按计划举办户外节日活动。
______________________________________， we plan to hold the outdoor festival as scheduled.
Assuming that the weather remains stable
（3）People assume that climate change is primarily caused by human activities.
→_________________ climate change is primarily caused by human activities.
It is assumed that
overcome / v k m/ vt.克服;解决;战胜
高频短语
overcome-overcame-overcome
overcome difficulties/one’s fear
I would overcome any weakness, any despair, any fear.
我要克服所有的软弱、绝望和恐惧。
be overcome by/with… 被（某种情绪）控制；受到……的极大影响
Her parents were overcome with grief at the funeral.在葬礼上她的父母悲痛欲绝。
【完成句子】
（1）既然你已下定决心克服自己的缺点，现在就行动起来吧。
Now that you have made up your mind ________________________
___________， take action now.
to overcome your shortcomings
（2）（译林选必一U2）她悲痛欲绝，跳进了他的坟墓。
________________________， she jumps into his grave.［读后续写之情绪描写］
Overcome by/with sorrow
estimate / est m t/ vt.估计;估价;估算 n.估计
高频短语
estimation n. 估计; 估算
It is estimated that 据估计……
It is estimated that the project will last five years.
这个项目估计要五年才能完成。
estimate sb./sth. to be 估计某人/某物为……
The deal is estimated to be worth around $1.5 million.这笔交易估计价值150万元左右。
=evaluate / assess
【单句语法填空/完成句子】
（1）Experts estimate the damage caused by the storm ______ （be） $1 billion， which will significantly impact the local economy.
（2）The _________（estimate） time of arrival for the flight is 7 p.m.， although delays can occur due to weather conditions.
to be
estimated
（3）据估计，将近3 000人将参加这次会议。
__________________ nearly 3，000 people will attend the conference.
It is estimated that
comprise /k m pra z/ vt.包括;包含;由…组成
高频短语
be comprised of
consist of
be made up of
be composed of
The study group is comprised of six students.
The study group is made up of six students.
The study group is composed of six students.
The study group consists of six students.
【单句语法填空/完成句子】
（1）The house ___________（comprise） two bedrooms， a kitchen and a living room has been sold.
comprising
（2）由专家和医务人员组成的医疗队伍在地震后不久就抵达了现场。
A medical team that _________________________________________
_____________________________________________ arrived at the scene shortly after the earthquake.
was comprised of/was made up of/was composed of/consisted of experts and medical staff
Given that Yuan's hybrids made him quite wealthy， one might think he would have retired to a life of leisure. 考虑到袁隆平的杂交水稻使他变得相当富有，人们可能认为他已经退休，享受闲适的生活。
（1）given that 引导条件状语从句，意为“考虑到、鉴于、假如、如果、只要、在有……的情况下”；
（2）其他同义表达有considering（鉴于，考虑到）、regarding（鉴于，考虑到）、seeing（鉴于，考虑到）、supposing（假如）、assuming（假定）、provided/providing （如果）、as long as（只要）等。
【单句语法填空/完成句子】
（1）____________（consider） there are so many challenges to deal with， are you still optimistic about the future of VR
（2）We'll buy everything you produce， _________________（provide） the price is right.
Considering
provided/providing
（3）鉴于你要参加中国诗歌朗诵比赛，我想给你提供一些实际的建议。
___________________________________________________________________________， I'd like to offer you some practical advice.［应用文写作之建议信］
Given/Considering that you will take part in a Chinese poetry reciting contest
Ⅰ.品句填词
1.They d_______ a lot of time and energy to volunteer work， bringing warmth and help to those in need.
2.As had been anticipated，the problem referred to at the meeting was ________（解决） in a scientific way.
3.He has a gift for music and enjoys singing in his _______（空闲） time.
4.Environmental ______（危机）， like severe droughts and floods， are becoming more frequent due to climate change.
evoted
tackled
leisure
crises
5.You must admit that your argument is based on a completely false ___________（假设）.
6.I am c_________ that all of you can benefit from the meaningful activity.
7.He __________（克服） a variety of difficulties， and succeeded in coming back to his homeland in 1955.
8.It was e_________ that the cost to rebuild the stadium would be $8 million， so we should adjust the previous design.
assumption
onvinced
overcame
stimated
Ⅱ.词块运用
1.The minute I set my objective， I ___________________________
_______________（致力于实现它）.
was devoted to/devoted myself to achieving it
2.I ______________________________________________（坚信诚实的重要性），which will contribute to building a warm and harmonious society.
am firmly convinced of the significance of honesty
3.________________________________________（假如火车准时）， we should arrive at the station by 8 p.m.
On the assumption that the train is on time
4.His parents _______________________________ （悲痛欲绝） at his grandpa's funeral.
5.Our class _________________________（由六个小组组成） and each group will discuss some difficult problems after class.
were overcome with great sorrow
is comprised of six groups
Ⅲ.根据汉语提示并使用本部分句式结构完成下面的小短文
Dear students，
Recently， 1.__________________________________________________（鉴于一些学生经常被看到浪费食物;given that 引导条件状语从句）， I am writing to appeal to everyone to participate in the activity of saving food.
given that some students are usually seen wasting food
First of all， as is well-known， 2.___________________________（每个人最关心的;what引导主语从句） is the food shortages throughout the world. What's more， another reason why saving food is of vital significance is that 3.______________________________________（对农民来说，生产粮食并不容易；it作形式主语）. Therefore， effective measures should be taken to deal with this problem. For example， when eating at the school canteen， buy no more than what you can have.
what concerns everyone most
it is not easy for farmers to produce food
And when eating out， always carry out the cleaning plate campaign and take the leftovers home.
I am fully convinced that， 4.__________________________（每个人参与其中；with复合结构）， the phenomenon of wasting food will disappear from our campus. Now， let's take action.
with everyone involved in it
in turn 相应地；依次；轮流
高频短语
by turns 轮流地
take turns to do/(at/in) doing sth 轮流做
It’s one’s turn to do 轮到某人做某事
turn to sb 向某人求助
She has nobody she can turn to. 她求助无门。
turn down 调低；拒绝
it turns out that / to be 结果是；证明是
It turned out that she was a friend of my sister. 她原来是我姐姐的朋友。
（1）__________________________________ （轮到他做报告了） in class. Unfortunately， the projector was broken. Some classmates suggested using handouts instead， but he ____________________ （拒绝了这个主意）， thinking he could manage without it. In the end， his speech still _____________________________ （结果是相当吸引人的） and he received a lot of praise.
It was his turn to give a presentation
turned down the idea
turned out to be quite attractive
（2）我和姐姐每天早上轮流开车送孩子们上学。
→My sister and I ____________________________________________
______ every morning.
→My sister and I ______________________________ every morning.
take turns to drive/（at/in） driving the kids to school
drive the kids to school by turns
essential / sen l/ a.完全必要的;极其重要的
高频短语
be essential to/for… 对…很重要; 对……是不可缺少的
Money is not essential to happiness. 金钱对于幸福并非必不可少。
It is essential for sb to do sth. 对某人来说做某事是完全必要的
It is essential that...(should) do…做…是完全必要的
It is essential that you have some experience. 你必须得有些经验。
essentially adv. 本质上; 根本上
essence n. 本质，实质；精华
=vital / necessary / important / significant / crucial
【单句语法填空/一句多译】
（1）Effective communication is essential ______ the success of any team or organization.
to/for
（2）在做出推断之前，他必须获得一些可靠的信息，这是至关重要的。
→_________________________________________________ before making inferences.
→_________________________________________________________ before making inferences.
It is essential for him to get some reliable information
It is essential that he （should） get some reliable information
alternative / :l t :n t v/ n.可选的事物 a.可供替代的
高频短语
have no alternative but to do sth.别无选择只好做某事
alternatively adv. 可供选择地
=choice/option
&1& “别无选择只好做某事”的其他表达形式：
（1）have no choice but to do sth.;
（2）can't choose but do sth.;
（3）can do nothing but do sth.
【单句语法填空/完成句子】
（1）The Internet also provides us with a cheap alternative ___ communicating with others.
to
（2）失败是成功之母。有时候，为了取得成功，我们别无选择，只能勇敢地面对失败，并从中吸取教训。
Failure is the mother of success. Sometimes， in order to succeed， we __________________________________________ and learn from it. ［应用文写作之演讲稿］
have no alternative but to face failure bravely
For example, pesticides can damage the land by killing not only harmful bacteria and insects, but also helpful ones.
例如，农药不但可以杀死有害的细菌和昆虫，而且可以杀死有益的细菌和昆虫，从而破坏土地。
(1) “not only...but also...”中also可以省略，也可省略but只保留also；
(2) “not only...but also...” 连接的两个并列成分作主语时，谓语动词的数遵循 “就近原则”；
Not only the students but also the teacher is enjoying the film.
(3) “not only...but also...”连接两个句子且把not only置于句首时，not only部分要用部分倒装语序。
Not only did he speak more correctly, but also he spoke more easily.
【单句语法填空/句式升级】
（1）Not only the foreign students but also the teacher _________________（attract） by the authentic Chinese tea culture so far.
has been attracted
（2）Through the exhibition， you can not only admire wonderful pictures，but also have a better understanding of the art of traditional Chinese painting.
→Through the exhibition， ____________________________________
_______，but you can also have a better understanding of the art of traditional Chinese painting. （倒装）［应用文写作之活动介绍］
not only can you admire wonderful pictures
Why different crops are grown is that they put important minerals back into the ground， making it ready for the next batch of crops.
种植不同的作物是因为它们把重要的矿物质释放回土壤，使其为下一批作物（的生长）做好准备。
（1）现在分词（短语）作结果状语，表示自然而然的、意料之中的结果；常与主句动作同时或紧接着发生。
The heavy rain lasted for hours, flooding the streets.
大雨持续数小时，导致街道被淹。
（2）动词不定式（短语）作结果状语，表示偶然的、意料之外的结果，且前面常有only修饰。
He ran to the station quickly, only to find the train had already left.
他快速跑到车站，结果发现火车已经开走了。
【单句语法填空/句式升级】
（1）You'd better master some basic Chinese in advance， ________（make） it easy for you to adapt to the new life in Beijing.
（2）We reached the hotel at the time as arranged， only __________（tell） there were no rooms available.
making
to be told
（3）A fire broke out without warning， and it caused severe economic loss in that place.
→A fire broke out without warning， __________________________
_______________.
causing severe economic loss in that place
［现在分词（短语）作结果状语］
Ⅰ.品句填词
1.As cities balloon with growth， access to nature for people living in u_____ areas is becoming harder to find.
2.If you are in need of a deadline _________（延长）， simply explain the situation to the professor.
3.With the development of technology， online discussion forums are a convenient a_________ for assignments requiring teamwork.
4.Judging from his confident statements， I was ________（完全地） convinced of his ability to tackle this problem perfectly.
rban
extension
lternative
entirely
5.Tom witnessed the ___________（普遍的） consumption of sugary drinks by kids at his own school.
widespread
6.I am writing to ask for your valuable advice on the ________（方面） of traditional Chinese culture which are extremely appealing to foreign friends.
aspects
7.After a big meal， it's beneficial to go for a short walk to help your body d______ the food more efficiently.
8.We are exposed to an overwhelming number of __________（化学物质） every day in our air， water and food.
igest
chemicals
Ⅱ.词块运用
1.As the seasons change， the colors of the leaves ______________（依次改变）， from green to yellow.
2.As has been mentioned above， all these devices _______________________________ （对远程控制是必不可少的）.
change in turn
are essential to/for remote control
3. Faced with the worrying current situation of oceans， human beings ________________________________________________ （别无选择只能彼此合作） to tackle the ocean crisis.
have no alternative but to cooperate with each other
4.The government has implemented policies to _________________________________（使公园没有垃圾）.
5.You should ____________________（专注于你的学习） so that you can build a solid foundation for your future career.
keep public parks free of/from litter
focus on your studies
Ⅲ.根据汉语提示并使用本部分句式结构完成下面的小短文
Dear fellow students，
On behalf of School Students' Union， I call on all of my fellow students to do whatever we can 1._________________________________（以实现全面发展；动词不定式作目的状语）.
to achieve well-rounded development
First of all， we should have a positive attitude to life. Life 2.___________________________________________________（不但包括快乐的时光，还包括艰难的时刻；not only...but also...）.We should stay positive 3._______________________（当我们面临困难时;when引导时间状语从句）.What's more， it is essential for us to study hard because if we equip ourselves with knowledge， we can achieve academic excellence， 4.__________________________________________［最终为我们的国
consists of not only happy moments but also hard times
when we face difficulties
eventually making contributions to our country
家做出贡献；现在分词（短语）作结果状语］. Most importantly， we are supposed to apply what we have learnt to our life so that we can prepare ourselves to shoulder more responsibility.
Follow these tips and I am sure we will be able to experience an enjoyable and rewarding teenage life.
thanks
人教版2019必修第一册
Unit 5 Working the Land