资源简介

(共57张PPT)
UNIT 5
WORKING THE LAND
核心单词
阅读词汇
1.hybrid n.杂交植(动)物；合成物；混合动力车
2.tackle vt.解决(难题)；应付(局面)；处理
3.crisis n.危机；危急关头
vt.出产(作物)；产生(收益、效益等)
vi.
4.yield n.产量；产出
屈服；让步
5.conventional adj.传统的；习惯的
6.pollinate vt.授粉；传粉
7.intense adj.热切的；十分强烈的；激烈的
8.output n.产量；输出；输出量 vt.输出
9.estimate vt.估计；估价；估算 n.估计；估算
10.domestic adj.本国的；国内的；家用的；家庭的
11.comprise vt.包括；包含；由……组成
12.generate vt.产生；引起
13.strain n.(动、植物的)系；品种；拉伤；压力
14.soil n.泥土；土壤；国土；领土
15.sorghum n.高粱；高粱米
16.broom n.扫把；扫帚；金雀花
17.grain n.谷物；谷粒；颗粒
18.tunnel n.地下通道；地道；隧道
19.wheat n.小麦；小麦籽
20.fertiliser n.肥料
21.alleviate vt.减轻；缓解
22.poverty n.贫穷；贫困
23.pesticide n.杀虫剂；除害药物
24.bacterium n.细菌
25.grocery n.食品杂货店；[pl.]食品杂货
26.root n.根；根茎；根部；根源
27.aspect n.方面；层面
28.batch n.一批；一组 vt.分批处理
boost
attain
overcome
celebrity
高频词汇
1.________ vt.使增长；使兴旺 n.增长；提高；激励
2.________ vt.(通常经过努力)获得；得到
3.________ vt.克服；解决；战胜
urban
bomb
4.________ n.名望；名誉；名人；名流
5.________ adj.城市的；都市的；城镇的
6.________ n.炸弹 vt.轰炸；对……投炸弹
7.________ n.味道；特点；特色
8.__________ adj.分布广的；普遍的；广泛的
9.________ adj.完全必要的；极其重要的
10.__________ n.可供选择的事物 adj.可供替代的；非传统的
11.__________ n.例子；实例；事例
flavour
widespread
essential
alternative
instance
拓展词汇
1.devote vt.把……献(给)；把……专用于；专心于→________
adj.忠诚的；深爱的；专注的→________ n.忠诚；献身；热爱
2.short adj.缺乏的→________ n.不足；缺少；短缺
3.convince vt.使相信；使确信；说服→___________ adj.有说
服力的→__________ adj.确信的；信服的
devoted
devotion
4._____________ n.特征；特点；品质 adj.典型的；独特的→
character n.性格；特征；角色；人物
shortage
convincing
convinced
characteristic
5.______________ n.假定；设定；(责任的)承担；(权利的)获
得→assume v.假定；猜测；认为
assumption
expansion
6.expand vt.& vi.扩大；增加 vt.扩展；发展(业务)→_________
n.扩大；增加；扩张
consumption
consumer
7.consume vt.消耗；消费；吃；喝→____________ n.消耗；消
耗量；消费→__________ n.消费者
leisurely
8.leisure n.闲暇；休闲；空闲→_________ adj.& adv.悠闲地
visible
invisible
really
realise
reality
9.vision n.想象；视力；视野；影像→_______ adj.看得见的→
________ adj.看不见的→envision vt.展望；想象
10.real adj.真的；真实的→________ adv.真正地→________ v.
实现；意识到→________ n.现实；实际情况；事实
11.salt n.盐→________ adj.含盐的；咸的
12.__________ n.扩建部分；扩大；电话分机→extend v.扩展；
扩大；延伸
salty
extension
13.chemical adj.与化学有关的；化学的 n.化学制品；化学品
→__________ n.化学→________ n.化学家；药剂师
14.nutritional adj. 营养( 物) 的→___________ n. 营养；滋养→
___________ adj.有营养的；营养丰富的
15.organ n.组织；器官→________ adj.有机的；不使用化肥的；
有机物的
chemistry
chemist
nutrition
nutritious
16.digest vt.& vi.消化　vt.领会；领悟　n.摘要；文摘→
__________ n.消化；理解
organic
digestion
17.________ n.矿物；矿物质→mine n.矿；矿产→________ n.
矿工
mineral
miner
deeply
depth
18.deep adj.深的→________ adv.深深地→________ n.向下(或
向里)的距离；深(度)
entirely
19.________ adv.全部地；完整地；完全地→entire adj.完全的；
全部的
熟词生义
digest
【熟义】 vt.& vi.消化 n.摘要；文摘
【生义】 vt.领会；领悟
【典例】 This chapter is so difficult to digest.这一章很难理解。
重点短语
1.devote ...________ 把……用于；献身；致力；专心
2.be comprised ________ 包括；包含；由……组成(或构成)
3.deep________ 在内心深处；本质上；实际上
4.________ turn 相应地；转而；依次；轮流
5.________ instance 例如；比如
to
of
down
in
for
精选佳句
教材原句
1.However, ________ concerned him most was _______ farmers
often had poor harvests and sometimes even had a serious shortage of
food to eat.然而，最让他担心的是，农民经常粮食歉收，有时甚至
严重缺乏食物。
what
that
句式结构
句式 1：what 引导主语从句；that 引导表语从句
教材原句
it
is
estimated
that
2.Today，______ ______ ________ _______ about 60 percent of
domestic rice consumption in China is comprised of crops generated
from Yuan's hybrid strains, and his strains have allowed China's
farmers to produce around 200 million tons of rice per year.据估算，
现在中国国内消费的稻米有大约 60%来自袁隆平的杂交水稻品种
形成的作物，这些品种(形成的作物)让中国农民每年能够生产出大
约两亿吨稻米。
句式结构
句式 2：it 为形式主语，真正的主语是后面 that 引导的名词性
从句
教材原句
not
but
3.Yuan's innovation has helped feed ______ just China, _______
many other countries that depend on rice as well, such as India and
Vietnam.袁(隆平)的创新不仅帮助了中国, 也帮助了许多其他以大
米为主要粮食的国家, 如印度和越南。
句式结构
句式 3：not just...but...意为“不仅……而且……”, 相当于
not only...but (also)...(also 可省略)
教材原句
Why
is
because
4.________ different crops are grown ________ ________ they
put important minerals back into the ground, making it ready for the
next batch of crops.为什么种植不同的作物是因为它们把重要的矿
物质放回地下, 使之为下一批作物再次做好准备。
句式结构
句式 4：why 引导主语从句；because 引导表语从句
was convinced
developing
of
课文复现
Yuan Longping is one of China's famous scientists, who is
1.________ (know) as the “father of hybrid rice”.He was born in 1930
in Beijing.Because he wanted to tackle 2.________ problem of low
yield, he 3.________ (choose) to study agriculture at college.After
graduation, he worked as a researcher and 4.____________ (convince)
that it's possible to create hybrid rice.After hard work he succeeded in
5.__________ (develop) the first hybrid rice in 1974.Because 6._____
known
the
chose
his invaluable contributions, Yuan has received numerous 7.________
(award) both in China and abroad.Although his hybrids have made
him quite 8._________ (wealth), he cares little 9._________celebrity
or money.Instead, he makes large donations 10.___________ (support)
agricultural research.
awards
wealthy
for
to support
单句语法填空
adjusting
shortage
assumption
1.I think we should devote much more time to ________ (adjust)
to the new environment.
2.A ________ (short) of reliable evidence is likely to lead to the
suspect's being released.
3.My assessments were based on the __________ (assume) that
house prices would remain steady.
4.I have no alternative but ________ (ask) him for an appropriate
way to solve the problem.
to ask
delivering/to deliver
5.The educators in this school took turns ___________________
(deliver) a speech in the rural schools.
6.It is essential that he _________ (get) some reliable information
before making inferences.
(should) get
depth
7.When under the water, the machines were also able to send
signals from the ________ (deep) of 20，000 feet.
8.According to the educator, the committee is comprised ______
representatives from both the public and private sectors.
9.To turn their dreams into a ________ (real), the twins work
very hard.
of
reality
that
10.What made me thrilled was ________ I could distinguish
between this kind of flower and another one.
1.convince vt.使相信；使确信；说服
【典例】
①You'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。
②He convinced the police department to allow him to set up a
couple of “chat benches” in two of their local parks.他说服警察局允
许他在当地的两个公园里设置几张“聊天椅”。
【归纳】
convince sb.of sth.使某人确信/明白某事
convince sb.that...使某人相信……
convince sb.to do sth.说服某人做某事
【拓展】
(1)convincing adj.令人信服的
(2)convinced adj.确信的；坚信的
be convinced of...相信……
be convinced (that)...(某人)相信……
【即学即用】
单句语法填空
convincing
convinced
(1)So _____________ is your speech that I'm _________ that all
students will benefit a lot from it.(convince)
完成句子
to tackle emergencies
(2)你在危机中的表现使我们相信你有能力应对紧急情况，并
使我们相信能把这项重要任务交给你。
Your performance in the crisis has ________________________
______________________ and convinced us ___________________
______________.
to hand the important
convinced us of your ability
task to you
(3)我坚信，通过这次讲座，我们不仅可以了解中国文学，而
且可以提高我们对中国传统文化的兴趣。
____________________________________________________
________________________________________________________
_______________________.
I'm firmly convinced that through the lecture not only can we get
the hang of Chinese literature ，but also we can boost our interest in
traditional Chinese culture
2.assumption n.假定；设定；(责任的)承担；(权利的)获得
【典例】
①We mistook the assumption that the price would fall.我们错误
地认为价格会下降。
②We are so fond of our high intelligence that we assume that
when it comes to brain power, more must be better.我们非常喜欢我
们的高智商, 以至于我们认为当涉及脑力时, 大脑一定越大越好。
【归纳】
on the assumption that...假定……
make an assumption 认为；假定
【拓展】
assume v.假定；猜测；认为
assume sb./sth.(to be)＋adj./n.假定/认为某人/某事(为)……
It is generally assumed that...人们普遍认为……
assuming (that)...假设……
【即学即用】
单句语法填空
to be
(1)Deep down they assumed her ________ (be) the best singer of
their time.
完成句子
(2)假如我被选为学生会主席，我将组织更多丰富多彩的课外
活动以丰富我们的学校生活。(应用文写作之申请信)
___________________________________________________
_______________________________, I will organize more colorful
after-class activities to enrich our school life.
On the assumption that/Assuming that I am chosen to be
chairman of the Student Union
(3)People assume that drinking Chinese tea can not only refresh
ourselves but also strengthen our memory.(话题写作之传统文化)
→__________________________________________________
________________________________________________(用 it 作形
式主语和 not only...but also...的倒装句改写)
It is generally assumed that not only can drinking Chinese tea
refresh ourselves but also it can strengthen our memory.
3.expand vt.& vi.扩大；增加 vt.扩展；发展(业务)
【典例】
①His studio was expanded into a big company.他的工作室扩大
规模成为一家大公司了。
②When you heat a metal, it expands.金属遇热膨胀。
③Could you expand on this point, please？请你把这一点详细
说明一下，好吗？
单词 含义
expand 指范围、体积的扩大、膨胀
extend 指在一个方向上的延伸、加长
【辨析】 expand 与 extend
【归纳】
expand into...发展成/扩大成……
expand on sth.细说(阐述)……
【拓展】
expansion n.扩大；扩张；扩充
【即学即用】
extends
expanding
选词填空(expand/extend)
(1)The tourist season ________ from May till October.
(2)He is thinking of __________ his business.
1.devote...to 把……用于；献身；致力；专心
【典例】
①She devoted all her life to medical work for Chinese women
and children.她为中国的妇女儿童医疗事业贡献了毕生精力。
②Regardless of the risk of getting infected, Uncle Li is
responsible and devoted to his job.尽管有感染的风险, 李叔叔还是
对工作很负责任并且很投入。
【归纳】
devote oneself to (doing) sth.致力于(做)某事；献身于(做)某事
be devoted to (doing) sth.专心于(做)某事；致力于(做)某事
【拓展】
(1)devoted adj.忠实的；深爱的
(2)devotion n.奉献；忠诚；挚爱
(3)表示“献身于……；专心于……”的常用短语还有：commit
oneself to..., dedicate oneself to..., apply oneself to..., give one's life
to...。
【即学即用】
单句语法填空
(1)She had started to devote her energies to __________ (teach)
rather than performing.
(2)It is his ________ (devote) to his learning that enables him to
get the prize.
teaching
devotion
完成句子
(3)我最崇拜的人是我的英语老师，他致力于教学。
①The person I admire most is my English teacher ___________
_____________________________________.(定语从句)
his teaching
②The person I admire most is my English teacher ___________
___________.(过去分词短语作后置定语)
who/that
devotes himself to/is devoted to his teaching
devoted to
2.be comprised of 包括；包含；由……组成(或构成)
【典例】
①The committee is comprised of representatives from both public
and private sectors.委员会由政府和私人部门的双方代表组成。
②Women comprise 44% of hospital medical staff.女性占医院医
护人员的 44%。
【拓展】
表示“由……组成(或构成)”的短语还有 consist of (主动形式
表被动), be made up of, be composed of。
【即学即用】
一句多译，每空一词
足球队由十一名队员组成。
is
comprised
of
①A football team ________ ________ ________ eleven players.
(comprise)
is
composed
of
②A football team ________ ________ ________ eleven players.
(compose)
is
made
up
of
③A football team ________ ________ ________ ________
eleven players.(make)
consists
of
④A football team ________ ________ eleven players.(consist)
3.in turn 相应地；转而；依次；轮流
【典例】
①People try to avoid public transportation delays by using their
own cars, and in turn this creates further problems. 人们通过开车努
力避免公共交通的延误，而这又反过来造成了更多的问题。
②They answered the teacher's questions in turn. 他们依次回答
了老师的问题。
【拓展】
by turns 轮流
take turns to do sth.轮流做某事
It is one's turn to do sth.轮到某人做某事
It turns/turned out that...结果是……
【即学即用】
用 turn 的相关短语填空
Some student representatives _____________ to deliver speeches
at the coming-of-age ceremony.Finally, it ______________.Personally,
in the past it was our parents and teachers that helped us in many
aspects and ________________, we should give a helping hand to
them from now on.For instance, we and our parents can do housework
________________.It ________________ that the ceremony makes a
great difference to us.
took turns
was my turn
in turn
by turns
turns out
1.However, what concerned him most was that farmers often
had poor harvests and sometimes even had a serious shortage of
food to eat.(教材 P50)然而，最让他担心的是，农民经常粮食歉收，
有时甚至严重缺乏食物。
【剖析】 本句是一个复合句。句中 what concerned him most
为 what 引导的主语从句。
【典例】
①I don't know what made me decide to try some new activities
at the new school.我不知道是什么让我决定在新学校里尝试一些新
活动。
②What I want to know is this.我想知道的就是这一点。
【点津】
(1)what 除了引导从句外，还在从句中作成分，意为“所……
的(东西)”，在含义上等于“名词＋that”。
(2)that 引导名词性从句时只起连接作用，在从句中不作任何
成分，无意义，在宾语从句中通常省略，但在主语从句、表语从
句和同位语从句中均不能省略。
【即学即用】
单句语法填空
What
(1)________ impressed us most was that there were so many
places of interest.
what
you
have
bought
完成句子，每空一词
(2)把你买的东西给我看看。
Show me ________ ________ ________ ________.
(3)你最好还是努力工作。
should
work
hard
It's the best that ________ ________ ________ ________.
you
2.Given that Yuan's hybrids have made him quite wealthy,
one might think he would retire to a life of leisure.(教材 P51)考虑
到杂交水稻使袁隆平变得相当富有，人们可能认为他会退休享受
闲适的生活。
【剖析】 given that...意为“考虑到……”，在句中作连词，
引导状语从句。
【典例】
①Given that they're inexperienced, they've done a good job. 在
缺乏经验的情况下, 他们的工作已经算是做得相当不错了。
②Given his age (＝Considering how old he is), he's remarkably
active.考虑到他的年龄，他已是相当活跃的了。
③We can find out how much money is spent on food in any
given period.我们可以查明在特定时间内花在食物上的钱有多少。
【点津】
given 用作形容词时，意为“特定的；一定的；规定的”，通
常用作定语。
【即学即用】
完成句子
(1)鉴于你对中国的传统节日端午节非常感兴趣，我写信向你
介绍这一节日。(话题写作之传统文化)
____________________________________________________
_______________—Dragon Boat Festival，I am writing to introduce
it to you.
Given that you are keen on/very interested in the traditional
Chinese festival
(2)(2020·新课标Ⅰ卷)考虑到我们学生需要更多的身体锻炼，
我校上周日举行了一次越野赛跑。
_______________________________________________，our
school organized a cross-country running race last Sunday.
Given that we students need more physical exercise
【句型升级】
按要求完成句子
1.His passion for traditional Chinese culture makes him come to
China.(用 drive 改写句子)
drives him to come
His passion for traditional Chinese culture __________________
____________.
to China
2.When I heard the news，I couldn't help writing to you.(改写句
子)
Hearing the news
________________________, I couldn't help writing to you.
3.Will they agree with your proposal at the next meeting It is
uncertain.(合并句子)
____________________________________________________
____________________
It is uncertain that/whether they will agree with your proposal at
the next meeting.
4.I experienced something that day.It has become one of my most
unforgettable memories.(合并句子)
____________________________________________________
_______________________________
5.People assume that drinking Chinese tea can not only refresh
ourselves but also strengthen our memory.( 用 It is generally assumed
that...; not only...but also...的倒装句改写句子)
____________________________________________________
_________________________________________________
That day I experienced something that has become one of my
most unforgettable memories.
It is generally assumed that not only can drinking Chinese tea
refresh ourselves but also it can strengthen our memory.
【语篇写作】
根据提示，运用本单元的单词、短语及句型，并用适当的过
渡词完成以下语段。
看见我的朋友悲痛欲绝，我的内心深处是如此焦虑，以致于
感觉就像热锅上的蚂蚁。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。我向他提供了一些有效的措施，以缓
解他的悲伤并解决他的问题。最终，他相信只有致力于学习他才
能通过考试。当我看到他走出阴霾，我的心像喝了蜂蜜一样甜。
Seeing my friend _________________________________, I was
________________________ I felt like an ant on a hot pan.I must do
whatever I could to ________________________________________
_________________________________.I offered him some effective
measures to _____________________________________.Finally, he
________________________________________________________
______ could he pass the exam.When I saw him come out of the haze,
my heart was as sweet as honey.
参考范文：
Seeing my friend overcome with intense grief, I was so anxious
deep down that I felt like an ant on a hot pan.I must do whatever I
could to boost his spirits and convince him not to yield to the
temporary failure.I offered him some effective measures to alleviate
his sadness and tackle his problems.Finally, he was convinced that
only if he devoted himself to/was devoted to his study could he pass
the exam.When I saw him come out of the haze, my heart was as
sweet as honey.

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