Unit 5 Working the Land 词汇课件(共35张PPT)-人教版(2019)选择性必修第一册

(共35张PPT)
WORKING THE LAND
WOWRDS EXPRESSION
Speaker name and title
OfficePLUS
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UNIT 5
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看图识词
sorghum
grain
soil
pesticide
学习目标 1’
1.To learn some useful words and phrases.
2.To put them into practice correctly.
Task1 词性转换
1.devote vt. 把……献(给);把……专用于;专心于→_______adj.专心的 →________n. 献身, 热爱
2.deep adj.深的
→_____n.向下(或向里)的距离; 深(度)
3.expand v. 扩大; 发展→_________n.扩大,发展
4.convention n. 惯例; 常规; 习俗
→___________adj. 习惯的, 传统的
5.convince vt.使相信；使确信；说服
→______________ adj.令人相信的；有说服力的；令人心悦诚服的 ___________ adj.确信的；信服的
devoted
devotion
depth
expansion
conventional
convincing
convinced
6.character n. 个性; 品质; 字符; 人物
→____________n. 特征; 特点; 品质
adj. 典型的; 独特的
7．short adj. 短的; 不足的; 短期的→_______ n.不足; 缺少; 短缺→_________ vt.使变短
8．assume v．假定;设想→___________ n.定; 设定;(责任的)承担; (权利的)获得
9．real adj. 真的 →really adv. 真正地; 实际上 →______ n．现实;实际情况; 事实
10．salt n. 盐→_______ adj.含盐的;咸的
shortage
shorten
reality
salty
11. consume v. 消费→____________n. 消费
→_________n. 消费者
12. nutrition n. 营养; 滋养→_________adj. 有营养的→__________adj. 营养(物)的
consumption
consumer
nutritious
nutritional
assumption
characteristic
realistic adj.现实的,实际的,现实主义的,逼真的
in reality 实际上，事实上
______________________ 产生利润/收益
______________________ 产生兴奋、引起兴趣
13. digest vi.& vt.消化vt.领会；领悟
→________n. 消化; 领悟
14. entire adj. 整个的; 完全的; 全部的→_______adv. 完全地; 全然地; 整个地
15.generate vt. 产生;引起 → n.产生;一代
digestion
entirely
generation
generate profit / income
generate excitement / interest
Eg: The book will continue to generate excitement for a long time.
这本书会继续使人们为之激动很长一段时间。
7
hybrid
adj.混合的;杂种的
n.杂种;(不同事物的)混合物，合成物;杂交植物;杂种动物
/ ha br d/
8
crisis
/ kra s s/
n.危机;（病情的）转折点;危急关头;危难时刻;决定性时刻，关键阶段
political crisis 政治危机
housing crisis 住房危机
boost
/bu st/
vt.促进;使增长;使兴旺;偷窃n.提高;增长;帮助;激励;（从后面的）向上一推，一举
9
celebrity
/s lebr ti/
n.名人;著名;名流;名誉;名望
复数： celebrities
10
output
/ a tp t/
n.输出;输出端;(人、机器、机构的)产量;输出功率;输出量vt.输出
input
11
leisure
/ le (r)/
n.休闲;闲暇;空闲
adj.闲暇的
pollinate
/ p l ne t/
vt.授粉;传粉
第三人称单数： pollinates
现在分词： pollinating
过去式： pollinated
过去分词： pollinated
Mangy of the indigenous(本土的) insects are needed to pollinate the local plants
at leisure: 闲散; 悠闲; 不慌不忙; 从容
eg: Let’s have lunch so we can talk at leisure.
at one’s leisure: 有空时; 空闲时; 方便时
eg: I suggest you take the forms away and read them at your leisure.
12
bomb
/b m/
n.炸弹;核弹;核武器;彻底的失败;
v.轰炸;(考试)惨败;对…投弹;大败
tomb（坟墓）
comb（梳子）
sorghum
/ s ɡ m/
n.高粱;高粱米
Red Sorghum
13
broom
/bru m/
n.扫帚;扫把;金雀花(野生，开小黄花)
复数： brooms
a new broom
(BrE) 新就职者；（尤指）刚上任的新官
grain
/ɡre n/
n.粮食;颗粒;谷物;细粒;纹理;谷粒;少量;（表面的）质地;微量;格令;一点儿
复数： grains
14
fertiliser
/ f t la z (r)/
n.肥料
复数： fertilizers
fertilise
vt.施肥;使受精;使受孕;使受粉;使受胎
root
/ru t/
n.根;根源，根由，原因;根部;根本;基础;方根;根茎;词根;核心
root of a problem 问题的根源
take root 深入人心；根深蒂固
15
tunnel
n.隧道;地道;地下通道;(动物的)洞穴通道v.开凿隧道;挖地道
/ t nl/
poverty
/ p v ti/
n.贫困;贫穷;贫乏;短缺;劣质
1. shortage n．不足；缺少；短缺
food/housing/water shortages
a shortage of... …的短缺；缺乏……
造句：因为缺乏员工，他们不得不停止生产
be short of sth/ lack sth
造句:这个岛屿上缺乏淡水。
The island is short of/ lacks fresh water.
They had to stop production owing to a shortage of staff.
2. intense adj. 十分强烈的；激烈的；热切的
①intense pain/heat/cold /pressure/anger
剧痛/酷热/严寒/十分快乐/极端愤怒
②intense competition
③an intense look
3. Instead, farmers needed to boost yields in the fields they had.
农民们需要增加他们现有土地上农作物的产量。(补充)
--------------------------------------------------------------------------------------------yield v. 1) to produce crops, profits etc;
2) to allow yourself to be forced or persuaded to do something or
stop having something
e.g. 1. The fruit trees in his orchards yield a large amount of apples and pears every day.
2. We shall never yield to the difficulties.
yield n.
the amount of profits, crops etc that something produces
e.g. high yield 高产 low yield 低产
It will bring you a 6% yield on your investment.
Shareholders(股东) are expecting a higher yield this year.
生产；产出
屈服；放弃
产量；收益
4. boost /bu st/ v. 使增长；使兴旺 n.增长；提高；激励
Yuan Longping realised that larger fields were not the solution.
Instead, farmers needed to boost yields in the fields they had.
原句
例句
袁隆平意识到，解决问题的办法并不是扩大农田面积，而是农民们需要提高他们已有土地上农作物的产量。
The turtle uses a rocket to boost his speed.
This has given a big boost to clothing prices .
boost sb’s confidence/morale
增强某人的信心/士气
boost /bu st/ v. 使增长；使兴旺 n.增长；提高；激励
归纳
v. 使增长；
使兴旺
n. 增长；
提高；激励
boost
boost yields 提高产量
boost exports增加出口
boost one’s confidence 增强某人的信心
give a boost to sth.推动·······
a boost to... 增强······
1. 通过驾驶考试极大地增强了我的自信心。
Passing my driving test was such _________ my confidence.
2. 新的度假区已然促进了旅游业的发展。
The new resort area __________ tourism.
3. 翻译：我必须竭尽全力振奋他的精神，并说服他不要向暂时的失败屈服。
巩固
boost /bu st/ v. 使增长；使兴旺 n.增长；提高；激励
has boosted
a boost to
I must do whatever I could to boost his spirits and convince him not to yield to the temporary failure.
归纳
5.characteristic /k r kt 'r st k/ n. 特征；特点；品质
adj. 典型的；独特的
characteristic
character n.
-istic 表示形容词“的”
artistic 艺术的
simplistic 过分简单的
humanistic 人道主义的
品质, 特性, 特色
特征, 好的品质
人物, 角色
(书写或印刷)符号, (汉)字
characteristic /k r kt 'r st k/ n. 特征；特点；品质
adj. 典型的；独特的
英译汉
She spoke with characteristic enthusiasm.
她说话带着特有的热情。
She wondered if centuries of diving could have led to the evolution of physical characteristics that made the task easier for them. (2020·全国卷Ⅲ)
她想知道几个世纪的潜水是否会导致身体特征的进化，从而使潜水任务变得更容易。
辨析
巩固
6.attain / 'te n/ vt. (通常经过努力)获得；得到
attain one’s goal(s) 实现某人的目标
attainable adj.可实现的
unattainable adj.难以实现的
attainment n.获得，达到
She refused to let the injury keep her from ________(attain) her goal of being in the Olympics.
We need to set challenging but _________(attain) targets.
attaining
attainable
归纳
7.overcome vt. 克服；解决；战胜
over- 表示在上，超过
come v. 来到
overwhelm 压倒；泛滥
overlook 俯视
overproduction n.生产过度
overwork n.过度劳累
overcome vt. 克服；解决；战胜；受到……的极大影响
归纳
造句
你们克服了如此巨大的困难，提前完成了任务，你们值得赞扬。 （读后续写之升华主题）
It’s greatly to your credit that you have overcome such great difficulty and accomplished the task ahead of time.
overcome
overcome difficulties 克服困难
overcome one’s fear 克服恐惧
be overcome with grief 悲痛欲绝
be overcome with/by emotion 激动得难以自持
be overwhelmed by…… 充满,难以禁受……
巩固
overcome vt. 克服；解决；战胜
她激动得难以自持，有好几分钟说不出话来。（读后续写之情绪描写）
______________________, she found herself unable to speak
for a few minutes.
看见我朋友悲痛欲绝，我是如此焦虑，我感觉就像热锅上的蚂蚁。（读后续写之情绪描写）
Seeing my friend _________________, I was so anxious that I
felt like an ant on a hot pan.
Overcome with/by emotion
overcome with grief
8.estimate /'est me t/ vt. 估计；估价；估算 n. 估计；估算
拓展
巩固
estimate sth. (at sth. ) 估价为……
be estimated to be/have 估计
It is estimated that … 据估计
at a rough estimate 粗略估计；粗略说来
The earthquake caused damage to property _________ (estimate) at 6 million.
At ___ rough estimate, Nigeria is three times the size of Great Britain.
翻译：据估计，今年对教育的总投资将继续增加。
________________ total investment in the education will continue to increase this year.
a
estimated
It is estimated that
alternative n.可供选择的事物 adj.可供替代的；非传统的
拓展
have no alternative but to do sth. 别无选择只好做某事
an alternative to ……的替代品
alternatively adv.可供选择地
【联想】“别无选择只好做……”的表达形式：
have no choice but to do sth.
have no option but to do sth.　
① Minibuses with seats offer alternative to expensive taxis and crowded public transport.
② The police had no alternative but (set) the man free without enough evidence.
③ We could drive all the way. (alternative), we could fly.
④ In order to succeed, we failure bravely and learn from it.
为了成功，我们不得不勇敢地直面失败并从中吸取教训。
单句语法填空/完成句子
an
to set
Alternatively
have no alternative but to face
alternative n.可供选择的事物 adj.可供替代的；非传统的
巩固
为了减少污染，我们人类别无选择只能选择一些清洁资源。例如，太阳能成为燃料能源的替代品。（应用文写作之倡议信）
In order to reduce pollution, we human beings have no alternative but to choose some clean resources. For instance, solar energy is an alternative to fossil fuel.
面对这样的困境, 我们没有选择只能等待援救。（读后续写之陷入困境）
Faced with such a dilemma, we have no alternative but to wait for rescue.
Task2 短语·闪记
1. ___________把……用于; 献身; 致力; 专心
2. ______________ 包括; 由……组成(或构成)
3. __________ 在内心深处; 本质上; 实际上
4. _____________ 解决这个问题
5. ___________ 例如; 比如
6. _____________ 满怀憧憬
7._______________ 获得有价值的信息
8. _____________ 扩大成/发展成为……
9. ___________________ 通过不懈的努力
10. ________ 事实远非如此
devote. . . to
be comprised of
deep down
for instance
expand into. . .
through intense effort
full of vision
tackle this problem
be far from the case
attain valuable information
单句语法填空（必做）
(1)Once married, Jo devoted her whole life ______looking after children and being a full-time homemaker.
(2) How can you question my ___________ (devote) to you
(3) The goal has now been finally _________ (attain)through their dauntless and persistent efforts.
(4) The important thing in life is to have a great aim, and the determination _____________ ( attain) it.
(5) His chest is like the ____________ ( expand) of a sea.
to
devotion
attained
to attain
expansion
(6) The IOC is always looking for ways __________ (expand) the global reach of the Winter Games.
(7) The ancient tower is estimated ________ (date)back to the Qing Dynasty.
(8)It___________ (estimate) that two million people around the world have tried bungee jumping.
(9)The course ______________ (comprise) a class book, a practice book and an audio tape.
(2)New Zealand is__________ ( comprise) of two big islands and many smaller ones.
to expand
to date
is estimated
comprises
comprised
完成句子
1．这些措施将更好地让我们能够应对当前的危机，促进经济的复苏和增长。
These measures will better enable us
___________________________and promote economic recovery and growth.(tackle)
2．如果我们想保护环境，我们必须阐明问题并说服人们采取行动。
If we want to protect the environment, we must clarify the problem and______________________.(convince)
3．为了完成这项艰巨的任务，估计大约需要1000万美元。
To complete this huge task, __________________
about 10 million dollars will be needed.(estimate)
to tackle the current crisis
convince people to take action
it is estimated that
完成句子（选做）
4．他决心把毕生精力奉献给教育事业。
He is determined to _____________________ the cause of education.(devote...to...)
5．他们到底打算做什么现在还完全不清楚。
___________________________ is far from clear now.(what引导主语从句)
devote his life to
What they really intend to do