人教版（2019）选择性必修第一册 Unit 5 Working the Land 知识点课件（29张PPT）

(共29张PPT)
Unit 5
WORKING THE LAND
“My lifelong pursuit is to keep all the people away from hunger.”
The father of hybrid rice.
我毕生的追求就是让所有人远离饥饿。
Para.1
be known as 作为…而出名
be known for 因...而出名
one of + adj.最高级+n.复， 谓语动词用单数
consider sb as/to be 认为某人是......
consider (that) 认为……
consider it + adj/n.+ to do 认为做某事是...
consider doing sth 考虑做某事
consider: vt. 认为，觉得 vi&vt. 仔细考虑，细想
consideration n.仔细考虑；体谅；报酬
take sth into consideration
I consider it a foolish idea to accept the invitation.
Task 1
练习
1. The tiger shark is considered to be (be) one of the most
dangerous sharks in the world.
2. I consider it a foolish idea to accept the invitation.
我认为接受这个邀请是一个愚蠢的想法。
3. (全国Ⅲ) As early as 1966, biologists asked the government to
consider reintroducing (reintroduce) wolves to Yellowstone Park.
※4. 我认为熬夜是有害的。
I consider it harmful to stay up late in the night.
Task 1
Para.1
定语从句，先行词为 Chinese farmers，又接在介词to后面，故用whom。在定语从句中，形成介词+关系词的句式。devote to
Task 2
devote vt. 把…献(给)；把…专用于；专心于(与介词to搭配)
devoted adj. 忠实的；深爱的
devotion n. 奉献；关爱
devote ... to (doing) sth.　把…献给某事
devote oneself to＝be devoted to
献身于；专心致力于
v.
①他专心学习/研究
He devotes his time to study.
②我们上周专心于完成这个思维导图。
We devoted our time/energy/ourselves (finish) the mind map last week.
We were devoted (finish) the mind map last week.
1. devote vt. 专心于…/奉献、投入（时间、精力等）；专用于
致力于/专心于做某事
devote one‘s time/energy /whole life/oneself to (do) sth.
=be devoted to (do) sth
be devoted/loyal sb.对某人忠诚/全心全意
(doing)
(doing)
to
to finishing
to finishing
adj.
我有一个忠诚的朋友。I have a friend.
n. 他对家人的关爱感人至深His his family is touching/moving.
devoted
devotion
to
devotion to
1. devote
致力于/专心于做某事
devote one‘s time/energy /whole life/oneself to (do) sth.
=be devoted to (do) sth
be devoted/loyal sb.对某人忠诚/全心全意
doing
doing
to
1. devote vt. 专心于…/奉献、投入（时间、精力等）；专用于
2. contribute vt. 捐献、捐助；是…的原因之一；增加；增进；添加（到某物）；撰稿
拓展
Task 2
to为介词的短语：
contribute to 有助于；为……做贡献；投稿
lead to 导致；促成
look forward to 期待、盼望
pay attention to 注意
be/get used to 习惯于
stick to 坚持
the approach to
the key to
Para.2
persue: v. 追求 --- n.: persuit
shortage n. 短缺
adj: short --- （short：短路）
tackle v. 处理，解决（deal with）
crisis --- crises (复数)
choose -- chose -- chosen
choose to do sth 选择做某事
have no choice but to do 别无选择只能做某事
我不知道他们会怎么处理这个问题。
I don't know they will deal with the problem.
I don't know they will do with the problem.
2. tackle vt. 解决（难题）；处理、抓获；擒获；
解决：fix; solve; settle
处理：deal with; do with; cope with; handle
deal with：强调处理的方式、方法，常与疑问词 连用。
do with：强调处理的对象，常与疑问词 连用。
to do with= to deal with/cope with/tackle/handle
how
what
what
how
what
how
He tackled a masked intruder at his home.
他在家里抓住了一个私自闯入的蒙面人。
n.产量
①科学家们致力于提高农作物的产量。
Scientists are devoted to .
vt.产生；出产
这些棵树不再长水果了。
These trees no longer .
vi.屈服 刘胡兰宁死不屈。 Liu Hulan would rather die than .
3. yield n.产量；vt.产生；vi.屈服
农作物的产量 the crop yield/ the yield of the crop
产生丰厚的收益 yield good returns
屈服于某人 yield sb /sth. 给。。。让路；屈服；被…替代
to
improving
yield
the
crop
yield
yield
fruit
Barges yielded to road vehicles for transporting goods.
在货物运输方面，驳船让位给了公路车辆。
我说服了她跟我一起去。
I convinced her (come) with me.
我们使他相信汤姆是无辜的(innocent-innocence)。
We convinced him that Tom was innocent.
.
We convinced him of Tom’s innocence.
.

4. convince vt.使信服
convince sb sth说服某人做某事
convince sb. that 使某人确信……
=sb. be convinced that
convince sb. sth. 使某人确信……
=sb. be convinced sth
to do
of
of
He was convinced of …
He was convinced that …
to come
我恐怕不能接受你的论点，因为你无法提供有说服力的证据。
I am afraid I can’t accept your arguments, for you haven’t offered enough (convince) evidence.
4. convince vt.使信服
convince sb sth说服某人做某事
convince sb. that 使某人确信……
=sb. be convinced that
convince sb. sth. 使某人确信……
=sb. be convinced sth
to do
of
of
convincing
convinced adj. 确信的；坚信的 (通常描述人的感受) convincing adj. 令人信服的 (通常描述物的特性)
convince sb. of sth.
accuse sb. of sth.
cure sb. of sth.
inform sb. of sth.
cheat sb. of sth.
persuade sb. of sth.
warn sb. of sth.
remind sb. of sth.
v. + sb. +of + sth.
Adjective
1 very great; very strong 很大的；十分强烈的 syn extreme
酷热；严寒；剧痛
intense heat/cold/pain
总统承受着沉重的辞职压力。
The President is under intense pressure to resign.
the intense blue of her eyes
她眼睛的深蓝色
浓厚的兴趣；十分快乐；强烈的欲望；极端愤怒
intense interest/pleasure/desire/anger
高温酷热让他大汗淋漓。
He was sweating from the intense heat.
2 serious and often involving a lot of action in a short period of time
严肃紧张的；激烈的
激烈的竞争
intense competition
那是活动激烈的时期。
It was a period of _____ _______.
3 (of a person 人 ) having or showing very strong feelings, opinions or thoughts about sb/sth 有强烈感情（或意见、想法）的；尖锐的；热切an intense look
热切的神情
他对一切都很热心。
He's very intense about everything.
The intense fighting is reported to have claimed many lives.
据报道激烈的战斗导致很多人丧生。
他满怀敌意地看着我。
He looked at me with _______ hatred.
intense activity
intense
1 ★ overcome sth to succeed in dealing with or controlling a problem that has been preventing you from achieving sth 克服；解决
她战胜了伤痛，赢得了奥运会金牌。
She overcame injury to win the Olympic gold medal.
必须学会克服困难才能成功。
To succeed, you must learn to _______ ______.
3 ★ [usually passive ] overcomesb to be extremely strongly affected by sth 受到…的极大影响 syn overwhelm
在葬礼上她的父母悲痛欲绝。
Her parents _______ _________ _______ ______ at the funeral.
The dead woman had been overcome by smoke.
玛丽激动得不能自持。
2 ★ overcome sb/sth to defeat sb 战胜
overcome obstacles
were overcome with grief
这个女人是被烟呛死的。
Mary was overcome with emotion.
over- 太……；过于……
overwork
overstudy
overact
oversleep
overcome
6. estimate v.估计
estimate（v.)- estimated (adj.) 高估
estimate (v.)- estimated (adj.) 低估
over
用功过度
过度劳累
表演过火
睡过头
克服
over
under
under
据说，那个小组由三个擅长画画的学生组成
1) It is said that who are good at painting.
2) It is said that who are good at painting.
7. comprise v.包含，由…组成
由……组成
①be comprised/composed/made up of
②consist of
the team is comprised/composed/made up of three students
the team consists of three students
generate
generate sth to produce or create sth 产生；引起
发电；产生热╱动力
generate electricity/heat/power
产生收益╱利润
generate income/profit
我们需要有人出新主意。
We need someone to generate new ideas.
The proposal has generated a lot of interest.
这项建议引起众多的关注。
2. Given that Yuan’s hybrids have made him quite wealthy, one might think he would retire to a life of leisure.
译文：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。
句式结构：given (that)引导条件状语从句时，后接从句，意为“如果，假定......”表条件。
仿写:考虑到他们缺乏经验，他们已经做得很好了。
Given（that）they’re inexperienced, they have done a good job.
far from the case
far from satisfactory
consume----consumption
1 consume sth to use sth, especially fuel, energy or time 消耗，耗费（尤指燃料、能量或时间）
The electricity industry consumes large amounts of fossil fuels.
电力工业消耗大量的矿物燃料。
2 consume sth to eat or drink sth 吃；喝；饮
他死亡前喝了大量的酒。
Before he died he ______ ___________a large quantity of alcohol.
3 consume sb (with sth) [usually passive ]
to fill sb with a strong feeling 使充满（强烈的感情）
卡罗琳深感内疚。
Carolyn was consumed with guilt.
他无比愤怒。
Rage consumed him.
4 consume sth (of fire 火 ) to completely destroy sth 烧毁；毁灭
那座旅馆很快被大火吞噬。
The hotel was quickly consumed by fire.
had consumed
3 [transitive ] strainsth to try to make sth do more than it is able to do 过度使用；使不堪承受
他没完没了的抱怨让我们忍无可忍。
His constant complaints were straining our patience.
The dogs were straining at the leash, eager to get to the park.
几条狗用力拽着皮带，急于要去公园。
1. worry/anxiety 担忧；焦虑
strain
Their marriage is _______ ____ _______ at the moment.
2. physical pressure 物理压力
The rope broke _______ ____ _______.
3. injury 损伤
verb
Noun
[transitive , intransitive ] to make an effort to do sth, using all your mental or physical strength 尽力；竭力；使劲
我竖起耳朵去听他们在说些什么。
大家伸长了脖子想看一看这个陌生人。
People were straining to see what was going on.
人们翘首企足看发生了什么事。
眼下他们的婚姻关系非常紧张。
绳子给拉断了.
I strained my ears (= listened very hard)to catch what they were saying.
Necks were strained for a glimpse of the stranger.
under great strain
under the strain
Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life.
译文：确实，他瘦削但结实的身躯看起来和他为之奉献了一生的千千万万的中国农民一样。
句式结构：that 用来指代“同名异物”的可数名词单数或不可数名词；those 用来指代“同名异物”的可数名词复数。
仿写：富人的房子一般比穷人的房子大。
The houses of the rich are generally larger than those of the poor.
Para.3
反而
increase, raise
Task 3
v. boost sth to make sth increase, or become better or more successful 使增长；使兴旺
The movie helped boost her screen career.
那部电影有助于她的银幕生涯的发展。
n. something that helps or encourages sb/sth 帮助；激励
a great/tremendous/welcome boost很大的╱极大的╱令人感激的激励
赢得了那场比赛使她士气大振。
Winning the competition brought a great/tremendous/welcome boost for her morale.
( especially NAmE) an act of pushing sb up from behind （从后面的）向上一推，一举
他推了她一把，帮她翻过围墙。
He gave her a boost over the fence.
课堂检测
1. We are considering buying (buy) a new car.
2. John, my devoted friend, is devoted to his work and his devotion to the
work is admirable. (devote)
3. This is the most convincing (convince) evidence that I can find.
4. The project was predicated on the assumption (assume) that the economy
was expanding.
※5. 我相信你会考虑我的建议的。
I am convinced that you’ll take my suggestion into consideration.
课后作业
Yuan Longping, 　1　 (know)as the “father of hybrid rice”, is one of China’s most famous scientists.Yet, he considers 　2 　(he) a farmer because he continually works the land in his research.　 3　 concerned Yuan Longping most was that farmers often had poor harvests.To tackle this crisis,he chose to study agriculture.He was convinced that the answer could be found in the 　___4 　(create) of hybrid rice. It enabled farmers to expand their output 　____5 　(great). Today, it 　__6_ 　(estimate) that about 60 percent of domestic rice consumption in China 　_7 _　(be) comprised of crops generated from Yuan’s hybrid strains.Yuan Longping has received numerous ___8___　(award) both in China and abroad. 　9 　(give) that Yuan’s hybrids have made him quite wealthy,one might think he would retire to a life of leisure. Instead,he makes large donations 　___10 __　(support) agricultural research.
known
himself
creation
is estimated
is
awards
Given
to support
greatly
What