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(共29张PPT)
Words and Expressions
Unit 5 Working the Land
devote [d v t] vt. 把…献(给); 把…专用于; 专心于
devote...to...把…献给…
devote oneself to (doing) sth. 致力于;专心于做某事
=Sb be devoted to (doing) sth.
devoted adj. 全心全意的；忠诚的；深爱的
devotion n. 投入
专注于/ 致力于做某事（be devoted to)
lost,absorb,engage,involve,bury,occupy,focus,concentrate
① be lost in
③ be engaged in
⑤ be buried in
⑦ focus on
② be absorbed in
④ be involved in
⑥ be occupied in
⑧ concentrate on
1. The most (devote) students like me even have our own club,where we learn from each other and work as a team.
2. It is his (devote) to his learning that enables him to attain a doctor’s degree.
3. You will never obtain success unless you are fully devoted your work.
4. (devote) to scientific research, Qian Xuesen was widely regarded as the father of China’s missile.
5. (devote) himself to protecting the rice, he was respected by all of us.
6. Soliders devoted their time to (help) victims rebuild their homes.
7.He told us that there were nearly three hundred teachers __________ (devote) themselves to teaching in the school.
devoted
devotion
to
Devoted
Devoting
helping
devoting
short adj. 短的，短期的，短暂的
shortly adv. 短暂地
shorten v. (使)变短，(使)缩短
1. There is a (short) of fresh water on the island.
2. This country is short natural resources but rich in human resources.
3. Smoking can (short) your life.
shortage
of
shorten
shortage / :t d / n. 不足; 缺少; 短缺
① a shortage of 缺乏
② be short of 缺乏，不足
③ in short 总之，简而言之
convince [k n v ns]: vt. 使相信; 使确信; 说服
convincing adj. 令人信服的
convinced adj. 相信的
convincingly adv. 令人信服地
convince sb. of sth. 使某人相信某事
Sb be convinced of sth 某人确信某事
convince sb. to do sth. 说服某人做某事(persuade)
Sb be convinced that ... 某人确信...... (convince sb that...)
1. In short, it’s not a (convince) argument.
2. Peter nodded but he didn’t look (convince).
4. What she said convinced me I was wrong.
5. It convinced me his honesty.
3.My parents have always convinced me __________ (challenge) myself.
convincing
convinced
to challenge
that
of
同义
① gain
② obtain
③ acquire
attainable adj. 可得到的,可达到的
attainment n. 达到，成就，学识
1.Great achievements can’t (attain) unless one concentrates on what he is doing.
2. Your goals should be (attain) and specific.
3. The (attain) of his ambitions was still a dream.
be attained
attainable
attainment
attain / te n/ : vt. (经过努力)获得;得到
attain one’s goal 实现某人的目标
assumption [ s mp n] cn. 假定; 假设;承担; 获得
assume v. 假定; 认为; 设想; 承担; 假装
assuming conj. 假如 (assuming that+从句，主句）
make an assumption (about) 做出假设
on the assumption (that...) 假设;假定...
We are working on the assumption that everyone invited will turn up.
It is generally assumed that... 人们普遍认为…
It is generally assumed that stress is caused by too much work.
assume sb./sth. to be 假定/假设某人/某事为
I had assumed him to be a Chinese.
1. It was impossible to make (assume) about people’s reactions.
2. (assume) that you are right , we’ll make a great deal of money from the project.
3. We are working the assumption that everyone has the ability to tackle difficult problems.
4. We students assume him (be) the most qualified professor in our school.
5. People assume that taking exercise can not only refresh ourselves but also strengthen our memory. (it 作形式主语)
→ taking exercise can not only refresh ourselves but also strengthen our memory.
assumptions
Assuming
on
即学即练
to be
It is generally assumed that
consume vt. 消耗
be consumed with... 心中充满了......
consumer 消费者
time-consuming 耗费时间的
consumption n. 消费；消耗，消耗量
overcome / v k m/ vt.克服;战胜;解决
overcome-overcame-overcome
overcome sth 克服...
be overcome by/with（fear/ despair/ depression/ frustration/anger） 被（某种情绪) 控制；（续写表达）
1.She was overcome with joy when she heard the good news.
2.Overcome with anxiety, she took a deep breath to calm herself.
3.She overcame her fear and anxiety and stepped onto the stage.
1. Mr.Liu (expand) his business outside the UK since 2006.
2. The book is an __________ (expand) of a series of lectures given last year.
3. The writer expanded his short novel a long one.
expand [ k sp nd]: v. 扩大; 增加; 扩展; 发展(业务)
expansion n．扩大，增加
expansive adj.广阔的；豪爽的
expand ... into ... 把…扩展/发展成…
has expanded
expansion
into
estimate / est m t/ vt.估计;估价;估算 n.估计
estimation n. 估计; 估算
It is estimated that 据估计……
It is estimated that the project will last five years.
estimate sb./sth. to be 估计某人/某物为……
The deal is estimated to be worth around $1.5 million.
=evaluate / assess
underestimate v.低估
overestimate v.高估
单句语法填空
①(2019·江苏宿迁期末)Ocean plastic is estimated __________(kill) millions of animals every year.
②(2021·上海市西南位育中学期中) ______ is estimated that the number of tourists who travel abroad has doubled in the past decade.
完成句子
③我估计他的年龄大约30岁。
I _______________________ about 30．
④据估计，这项工程将持续四年。
______________ that the project will last four years.
estimate his age to be　
It is estimated　
to kill　
It　
comprise /k m pra z/ vt.包括;包含;由…组成
be comprised of 由……组成(或构成)
由...组成：
① be composed of
② be made up of
③ consist of (无被动)
=（comprise）
1.The committee ________________ten members.(be comprised of)
2. The committee ________________ten members. (be composed of)
3.The committee ________________ten members.(be made up of)
4.The committee ________________ten members.(consist of)
5.The committee ________________ten members.(comprise)
委员会由10名成员组成。
is comprised of
is composed of
is made up of
consists of
comprises
①The house ___________（comprise） two bedrooms， a kitchen and a living room has been sold.
②Farmers (comprise) just 12 per cent of the country’s population.
③The class is comprised mainly Italian and French students.
④Life consists not only sunshine but also storms.
comprising
comprise
of
of
turned out that/to be 结果是...；证明是
turn to sb 向某人求助
It is one’s turn to do sth. 轮到某人做某事
take turns to do sth. 轮流做某事
by turns 轮流
in turn 相应地；转而；依次；轮流
1. This affects the crops grown on the land and, turn, the animals and humans who digest them.
2. When it was my turn (give) a speech, I was too excited to speak.
3.My brothers and I took (turn) to take care of our mother.
4.What made me ashamed was that turned out that I failed in the exam again.
5.They took care of their sick mother turns.
6.When in trouble, I often turn my father.
in
to give
turns
it
by
to
essential adj. 完全必要的；极其重要(necessary)
be essential to/for 对……很重要(vital、 crucial)
It is essential for sb. to do...
It is essential that sb (should) do... 做……是完全必要的
essentially adv. 本质上; 根本上
essence n. 本质，实质；精华
an alternative to doing sth 做某事的一种选择
alternative n. 可供选择的事物 adj. 可供替代的；非传统的
alternatively adv. 可供选择地
have no alternative but to do sth.别无选择只好做某事
=choice/option
alternate v. (使)交替，(使)轮流
__________ adj. 深的；深沉的；专心的 adv. 在深处；深深地 具体的“深”
___________ adv.深深地；非常地 抽象含义（感情)。
____________v. (使)变深；加深
deepen
deep
deeply
in depth 全面地；深入地；仔细地
in the depths of 在……深处
depth n. 向下(或向里)的距离；深(度)
adj. --- n. ----- v.
long --- length ---lengthen（长)
wide --- width --- widen (宽）
deep---depth---deepen (深）
strong---strength--strengthen(强)
high --- height---heighten(高)
convention n. 习俗，惯例
conventionally adv. 按照惯例
conventional adj. 传统的，习惯的
intensely adv. 强烈地，紧张地
intension n. 强度，紧张
intensify v. 加强，强化，(使)变激烈
intense adj. 热切地，激烈的
generation n. 一代人；(产品发展的)代
generate v. 产生，引起
visual adj. 视觉的，视力的，栩栩如生的
visible adj. 明显的，看得见的
visibly adv. 显然，明显地
vision n. 想象，视力，视野，影像
real adj. 真实的→ realistic adj. 现实的，务实的
really adv. 真正地，非常→ realize v. 实现，意识到
reality n. 现实，实际情况，事实
extension n. 扩大，扩建部分，电话分机
extend v. 扩大，延申
extensive adj. 广阔的，广泛的
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。
From his slow walk, Gill realized he was far from well.看他步履缓慢的样子，吉尔意识到他的身体还远未恢复。
Far from being relaxed, we both felt so uncomfortable that we hardly spoke.我们两人非但没有放松，反而都感觉很不自在，几乎没有说话。
I know a nice little Italian restaurant not far from here.我知道有家不错的意大利小餐馆离这儿不远。
远非
完全不
远离
far from 远非；完全不；远离=far away from
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.
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。
thanks
人教版2019必修第一册
Unit 5 Working the Land

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